WO2004076565A2 - Improved coated weight plates, dumbbells and method of manufacture - Google Patents

Improved coated weight plates, dumbbells and method of manufacture Download PDF

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Publication number
WO2004076565A2
WO2004076565A2 PCT/US2004/005617 US2004005617W WO2004076565A2 WO 2004076565 A2 WO2004076565 A2 WO 2004076565A2 US 2004005617 W US2004005617 W US 2004005617W WO 2004076565 A2 WO2004076565 A2 WO 2004076565A2
Authority
WO
WIPO (PCT)
Prior art keywords
coating
assembly
weight plate
weight
dumbbell
Prior art date
Application number
PCT/US2004/005617
Other languages
French (fr)
Other versions
WO2004076565A3 (en
Inventor
Robert E. Harms
Eugenio Segovia, Jr.
Original Assignee
Technical Knockout, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Technical Knockout, Inc. filed Critical Technical Knockout, Inc.
Publication of WO2004076565A2 publication Critical patent/WO2004076565A2/en
Publication of WO2004076565A3 publication Critical patent/WO2004076565A3/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/06—User-manipulated weights
    • A63B21/072—Dumb-bells, bar-bells or the like, e.g. weight discs having an integral peripheral handle
    • A63B21/0726—Dumb bells, i.e. with a central bar to be held by a single hand, and with weights at the ends
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
    • B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
    • B44C1/17—Dry transfer
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2209/00—Characteristics of used materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/52—Two layers
    • B05D7/53—Base coat plus clear coat type

Definitions

  • This invention relates generally to the field of weights and dumbbells.
  • the invention especially relates to decoration and advertising placed upon a weight plate and the addition of an at least partially clear coating to the weight.
  • the dumbbell is created with a thin coating of black polyurethane on the weight plates.
  • a logo is applied. Because of the "wax- paper" surface characteristics of polyurethane, it is difficult to place decals, silk- screening, paint or similar materials on the surface of the weight plates. Thus, a logo could only be placed on a weight head by having the logo in the mold or by having it machined or engraved on the plate.
  • a weight plate may be machined so that a logo is in a void. Then a different color urethane is injected or filled into the void to form a logo.
  • dumbbells It is a further object of this invention to make colored dumbbells with a protective coating. It is a further objective of this invention to have weight plates and dumbbells with decals that are permanently affixed, protected and visible.
  • FIG. 1 is a cut away perspective view of the preferred embodiment of the invention.
  • Fig. 1a is a cut away perspective view of the preferred embodiment having a dark colored weight plate.
  • Fig. 2 is a perspective view of a prior art invention.
  • Fig. 3 is a perspective view of a prior art invention and a typical prior art logo for the prior art invention.
  • Fig. 4 is a perspective view of alternative embodiments of the invention next to a prior art invention.
  • Fig. 5 is a perspective view of an alternative embodiment of the invention.
  • Fig. 6 is a perspective view of an alternative embodiment of the invention.
  • the present invention is a clear coating on a weight on a dumbbell, a dumbbell having weights having a clear coating, and the process for coating a weight on a dumbbell with a clear coating.
  • the invention includes the painting or other coloration of the weights on a dumbbell before placing the clear coating on the dumbbell. Also, the invention includes the use of decals on the weight before the clear coating is placed on the dumbbell. In addition, the invention is a method of advertising on a weight plate.
  • a dumbbell of the preferred embodiment is shown in Figures 1 and 1a at 10.
  • the weight plate 12 is provided, and may be colored in a preferred hue.
  • the coloring is preferred to be a powder coat or paint but may be some other agent known in the art.
  • the paint is preferably sprayed onto the plate 12.
  • the plate may be covered with a clear paint.
  • a design or logo is painted onto the weight plate itself.
  • the weight plate is preferred to be metal which has been forged, cast or machined. However, other manufacturing methods and appropriate materials may be used as is known in the art. Also, it is preferred that the weight is in a generally round shape as shown in Figures 1-6.
  • a weight plate 12 is placed on either end of a handle 14.
  • the handle may be of any useful shape and texture, but the Tri-Bar handle used by TKO Sports, Inc. is preferred.
  • the handle is preferably welded to the weight plates. However, it may also be threaded, pinned or press fit to the plates 12, or attached in other methods known in the art.
  • one or more decals 16 are placed on the weight plate. It is preferred that the decals are on the far end 18 of the plate 12 so it can be viewed easily. However, as shown in Figures 1 and 1a, decals 16 may also be placed on the inside surface 20 or on the perimeter 22 of the weight plate 12.
  • the decals are preferred to be of a vinyl material, but any other generally heat resistant material may also be used. Also, it is preferred that the decal material keeps the colors on the decal from running.
  • the weight plates 12 are then covered with a clear coating 24. The coating protects the weight plate 12 and allows the decals 16 to be seen.
  • the weight plate is colored, or if there is a painted design on the weight plate it may be seen through the clear coating. While it is preferred that the coating is clear; however, the coating may be translucent and colored if desired. It may also be preferred to include a UV protection chemical element into the polyurethane.
  • the coating is preferred to be polyurethane, such as that manufactured by Anderson Development Company, Inc., Uniroyal or Airproducts.
  • the polyurethane is preferably placed on the weight plate using a low-pressure polyurethane dispensing machine, such as one produced by Ureflex-Baule.
  • the urethane may alternatively be placed on the weight plates using an injection molding system, using a mold that does not use an injection system, or using a spray method directly spraying the coating onto the weight plates. In using a mold system wherein the polyurethane is poured directly into a mold containing the weight plate to be covered, it is preferred that the polyurethane is poured at a temperature of approximately 150-200 degrees Fahrenheit. Equivalent polyurethane may be used which cures at a lower temperature such as room temperature. Either weight plates 12 may be covered simultaneously, or each plate 12 may be covered individually.
  • a weight plate is covered with polyurethane before the handle is attached.
  • the weight plate 12 has a threaded internal bore and a threaded plug member having threads which extend beyond the threading within the plate 12 is placed within the bore.
  • the polyurethane is then poured over the weight plate 12 and at least a portion of the plug member.
  • a threaded handle is then placed through the threading in the polyurethane and preferably through the threading in the weight plate.
  • other equivalent methods of molding the polyurethane onto the weights before the handle is attached are known in the art.
  • Figure 2 reveals a prior art dumbbell 26 without clear coating.
  • the text written on the weight plates may be marred by normal use.
  • the plates could be marked, or the colors could rub off onto surfaces in the gymnasium.
  • Figure 3 reveals an expensive design 28 painted on a dumbbell of the prior art 26. Each color of the design 28 was placed on the weight plate 26 using a separate step. However, using the current invention, the design may be placed on a decal. The decal process is much less expensive; and more highly detailed designs may be placed on the decal. After it is covered with polyurethane, the decal may be seen through the protective coating.
  • FIG 4 illustrates three dumbbells, including one prior art dumbbell 26 and one dumbbell embodying the present invention 10. As shown, the painting applied to the weight plate 12 as well as decals 16 can bee seen clearly through the polyurethane coating.
  • Figures 5 and 6 reveal the finished product of the present invention.
  • the clear coating improves the ability to design or decorate a weight plate whether it is a traditional dark color 30 or a bright color 32 underneath.
  • the steps for creating a dumbbell pursuant to the present invention are as follows. First the handle is selected. The handle is preferred to be steel, and may be knurled, flats, chromed, black oxide, or be of any other useful shape or finish known in the art. Next, the dumbbell head is created. The head is preferred to be metal and manufactured as described above. Next, the head is prepared for coating. It can be powder coated or otherwise painted, chromed or sandblasted, with or without a clear finish. Other finished known in the art may also be used.
  • a decal if desired, is placed on the head.
  • the decal can be of any desired image.
  • the decal can be of any color or mix of colors, high resolution graphics or actual pictures. It may be preferred that the image is a computer image which is placed on a decal using known printing techniques. If needed, the decal is then cut before it is placed on the dumbbell head.
  • dumbbell is now available having a high quality design which can be seen though a protective coating.

Abstract

The present invention is a clear coating on a weight for a dumbbell, a dumbbell having weights having a clear coating, and the process for coating a weight on a dumbbell with a clear coating. The invention includes the painting or other coloration of the weights before placing the clear coating on the dumbbell. Also, the invention includes the use of decals on the weight before the clear coating is placed on the dumbbell. In addition, the invention is a method of advertising on a weight plate.

Description

1PROVED COATED WEIGHT PLATES, DUMBBELLS AND METHOD OF
MANUFACTURE
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates generally to the field of weights and dumbbells. The invention especially relates to decoration and advertising placed upon a weight plate and the addition of an at least partially clear coating to the weight.
2. Description of Related Art
In the prior art, logos were placed on dumbbells in a variety of expensive ways. Logos or advertising could not be placed on the weights as decals, since the decals would be abused by the use of the exercise equipment. Also, the decals would not stick to a preferred polyurethane coating. In addition, if a manufacturer wanted to color the weight heads, or paint them, the coloring would be dirtied, faded or torn by the use of the weights.
SUMMARY OF THE INVENTION In standard practice in the industry, the dumbbell is created with a thin coating of black polyurethane on the weight plates. Next, a logo is applied. Because of the "wax- paper" surface characteristics of polyurethane, it is difficult to place decals, silk- screening, paint or similar materials on the surface of the weight plates. Thus, a logo could only be placed on a weight head by having the logo in the mold or by having it machined or engraved on the plate.
It is known to inject or fill a void with white or colored urethane to form letters on a weight plate. However, in using this process, it is important to remove all mold release from the voids after each use. Otherwise, the colored letters will not adhere to the black urethane. Alternatively, a weight plate may be machined so that a logo is in a void. Then a different color urethane is injected or filled into the void to form a logo.
Also, in the industry it is known to simply machine a logo directly into the weight plate using one or more steps of machining for each color of urethane. This method is extremely expensive and time consuming. Furthermore, it is limiting in the amount of detail which may be included in a logo. Furthermore, it would be extremely difficult to apply the logo on the inside face of a weight plate on a dumbbell.
In addition, colored dumbbells with a polyurethane surface in the prior art are prohibitively expensive. Each time a colored dumbbell is desired a manufacturer would have to purge its injection machines and insert the desired colors, consuming valuable manufacturing time.
It is the object of the present invention to make it possible to have detailed, colorful logos on weight plates and dumbbells.
It is a further object of this invention to allow the inexpensive production of colored dumbbells.
It is a further object of this invention to make colored dumbbells with a protective coating. It is a further objective of this invention to have weight plates and dumbbells with decals that are permanently affixed, protected and visible.
In accordance with these and other objectives which will be apparent hereinafter, the instant invention will now be described with particular reference to the accompanying drawings. The drawings constitute a part of this specification and include exemplary embodiments of the present invention and illustrate various objects and features thereof.
DESCRIPTION OF THE FIGURES Fig. 1 is a cut away perspective view of the preferred embodiment of the invention. Fig. 1a is a cut away perspective view of the preferred embodiment having a dark colored weight plate.
Fig. 2 is a perspective view of a prior art invention.
Fig. 3 is a perspective view of a prior art invention and a typical prior art logo for the prior art invention.
Fig. 4 is a perspective view of alternative embodiments of the invention next to a prior art invention.
Fig. 5 is a perspective view of an alternative embodiment of the invention. Fig. 6 is a perspective view of an alternative embodiment of the invention.
DETAILED DESCRIPTION OF THE INVENTION. The present invention is a clear coating on a weight on a dumbbell, a dumbbell having weights having a clear coating, and the process for coating a weight on a dumbbell with a clear coating. The invention includes the painting or other coloration of the weights on a dumbbell before placing the clear coating on the dumbbell. Also, the invention includes the use of decals on the weight before the clear coating is placed on the dumbbell. In addition, the invention is a method of advertising on a weight plate.
In the preferred embodiment, a dumbbell of the preferred embodiment is shown in Figures 1 and 1a at 10. The weight plate 12 is provided, and may be colored in a preferred hue. The coloring is preferred to be a powder coat or paint but may be some other agent known in the art. The paint is preferably sprayed onto the plate 12. Optionally, the plate may be covered with a clear paint. In an alternative embodiment, a design or logo is painted onto the weight plate itself. The weight plate is preferred to be metal which has been forged, cast or machined. However, other manufacturing methods and appropriate materials may be used as is known in the art. Also, it is preferred that the weight is in a generally round shape as shown in Figures 1-6. A weight plate 12 is placed on either end of a handle 14. The handle may be of any useful shape and texture, but the Tri-Bar handle used by TKO Sports, Inc. is preferred. The handle is preferably welded to the weight plates. However, it may also be threaded, pinned or press fit to the plates 12, or attached in other methods known in the art.
Then, if desired, one or more decals 16 are placed on the weight plate. It is preferred that the decals are on the far end 18 of the plate 12 so it can be viewed easily. However, as shown in Figures 1 and 1a, decals 16 may also be placed on the inside surface 20 or on the perimeter 22 of the weight plate 12. The decals are preferred to be of a vinyl material, but any other generally heat resistant material may also be used. Also, it is preferred that the decal material keeps the colors on the decal from running. The weight plates 12 are then covered with a clear coating 24. The coating protects the weight plate 12 and allows the decals 16 to be seen. Also, if the weight plate is colored, or if there is a painted design on the weight plate it may be seen through the clear coating. While it is preferred that the coating is clear; however, the coating may be translucent and colored if desired. It may also be preferred to include a UV protection chemical element into the polyurethane.
The coating is preferred to be polyurethane, such as that manufactured by Anderson Development Company, Inc., Uniroyal or Airproducts. The polyurethane is preferably placed on the weight plate using a low-pressure polyurethane dispensing machine, such as one produced by Ureflex-Baule. The urethane may alternatively be placed on the weight plates using an injection molding system, using a mold that does not use an injection system, or using a spray method directly spraying the coating onto the weight plates. In using a mold system wherein the polyurethane is poured directly into a mold containing the weight plate to be covered, it is preferred that the polyurethane is poured at a temperature of approximately 150-200 degrees Fahrenheit. Equivalent polyurethane may be used which cures at a lower temperature such as room temperature. Either weight plates 12 may be covered simultaneously, or each plate 12 may be covered individually.
In one embodiment a weight plate is covered with polyurethane before the handle is attached. The weight plate 12 has a threaded internal bore and a threaded plug member having threads which extend beyond the threading within the plate 12 is placed within the bore. The polyurethane is then poured over the weight plate 12 and at least a portion of the plug member. When the polyurethane has cooled, the plug is removed, and threading is left within the polyurethane extending above the threading within the bore of the weight plate, a threaded handle is then placed through the threading in the polyurethane and preferably through the threading in the weight plate. However, other equivalent methods of molding the polyurethane onto the weights before the handle is attached are known in the art.
Figure 2 reveals a prior art dumbbell 26 without clear coating. The text written on the weight plates may be marred by normal use. Furthermore, if the weights were merely painted, the plates could be marked, or the colors could rub off onto surfaces in the gymnasium.
Figure 3 reveals an expensive design 28 painted on a dumbbell of the prior art 26. Each color of the design 28 was placed on the weight plate 26 using a separate step. However, using the current invention, the design may be placed on a decal. The decal process is much less expensive; and more highly detailed designs may be placed on the decal. After it is covered with polyurethane, the decal may be seen through the protective coating.
Figure 4 illustrates three dumbbells, including one prior art dumbbell 26 and one dumbbell embodying the present invention 10. As shown, the painting applied to the weight plate 12 as well as decals 16 can bee seen clearly through the polyurethane coating.
Figures 5 and 6 reveal the finished product of the present invention. As shown, the clear coating improves the ability to design or decorate a weight plate whether it is a traditional dark color 30 or a bright color 32 underneath. Alternatively, the steps for creating a dumbbell pursuant to the present invention are as follows. First the handle is selected. The handle is preferred to be steel, and may be knurled, flats, chromed, black oxide, or be of any other useful shape or finish known in the art. Next, the dumbbell head is created. The head is preferred to be metal and manufactured as described above. Next, the head is prepared for coating. It can be powder coated or otherwise painted, chromed or sandblasted, with or without a clear finish. Other finished known in the art may also be used.
In the next step, a decal, if desired, is placed on the head. The decal can be of any desired image. The decal can be of any color or mix of colors, high resolution graphics or actual pictures. It may be preferred that the image is a computer image which is placed on a decal using known printing techniques. If needed, the decal is then cut before it is placed on the dumbbell head.
Next, clear polyurethane is applied to the weight with the decal as described above. If necessary, the polyurethane is then trimmed after the dumbbell is removed from the mold.
Thus, the number of steps and the labor needed to make a design on a weight plate is minimized. Furthermore, a dumbbell is now available having a high quality design which can be seen though a protective coating.
The instant invention has been shown and described herein in what is considered to be the most practical and preferred embodiment. It is recognized, however, that departure may be made therefrom within the scope of the invention and that obvious modifications will occur to a person skilled in the art.

Claims

CLAIMSWhat is Claimed Is:
1. A weight assembly for a dumbbell, comprising: a weight plate; a first coating applied to at least a portion of the weight plate; and an at least partially transparent second coating applied over the first coating.
2. The assembly of claim 1, wherein the first coating comprises a coloring agent.
3. The assembly of claim 1, wherein the second coating is substantially clear, whereby the first coating is at least partially visible through the second coating.
4. The assembly of claim 1 , wherein the second coating comprises polyurethane.
5. The assembly of claim 3, wherein the first coating is adapted to provide advertising.
6. The assembly of claim 5, wherein the advertising is a corporate logo.
7. The assembly of claim 1 , wherein the first coating is one or more of the following: paint and powder coat.
8. The assembly of claim 1, wherein the second coating further comprises a UV protection chemical element.
9. The assembly of claim 1, wherein the second coating is adapted for receiving a dumbbell handle.
10. The assembly of claim 9, wherein the weight plate is adapted for receiving a dumbbell handle.
11. A weight assembly for a dumbbell, comprising: a weight plate; a decal applied to at least a portion of the weight plate; and an at least partially transparent second coating applied over the decal.
12. The assembly of claim 11, wherein the decal is comprised of a vinyl material.
13. The assembly of claim 11, wherein the second coating is substantially clear, whereby the decal is at least partially visible through the second coating.
14. The assembly of claim 11, wherein the second coating comprises polyurethane.
15. The assembly of claim 11, wherein the second coating is adapted for receiving a dumbbell handle.
16. A dumbbell comprising: a handle; and a plurality of weight assemblies, each assembly comprising: a weight plate; a first coating applied to at least a portion of the weight plate; and an at least partially transparent second coating applied over the first coating.
17.A dumbbell comprising: a handle; and a plurality of weight assemblies, each assembly comprising: a weight plate; a decal applied to at least a portion of the weight plate; and an at least partially transparent second coating applied over the decal.
18. A method for forming a weight assembly for a dumbbell, comprising the steps of: providing a weight plate; coating the weight plate with an at least partially transparent material; providing means for attaching the coated weight plate to a handle.
19. The method of claim 18, further comprising the step of applying a decal to the weight plate before the step of coating the weight plate.
20. The method of claim 19, wherein a design is placed on the weight plate before the step of coating the weight plate.
PCT/US2004/005617 2003-02-25 2004-02-25 Improved coated weight plates, dumbbells and method of manufacture WO2004076565A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US44988603P 2003-02-25 2003-02-25
US60/449,886 2003-02-25

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WO2004076565A3 WO2004076565A3 (en) 2005-07-28

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US20050054496A1 (en) 2005-03-10

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