US3517702A - Flexible material to form a tubular member - Google Patents
Flexible material to form a tubular member Download PDFInfo
- Publication number
- US3517702A US3517702A US563905A US3517702DA US3517702A US 3517702 A US3517702 A US 3517702A US 563905 A US563905 A US 563905A US 3517702D A US3517702D A US 3517702DA US 3517702 A US3517702 A US 3517702A
- Authority
- US
- United States
- Prior art keywords
- section
- receiving section
- barb
- barbed
- tubular member
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/021—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeve, two half sleeves
- F16L59/022—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeve, two half sleeves with a single slit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/10—Bandages or covers for the protection of the insulation, e.g. against the influence of the environment or against mechanical damage
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
- H02G3/0481—Tubings, i.e. having a closed section with a circular cross-section
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S174/00—Electricity: conductors and insulators
- Y10S174/11—Zipper tubes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S24/00—Buckles, buttons, clasps
- Y10S24/30—Separable-fastener or required component thereof
- Y10S24/50—Separable-fastener or required component thereof including member having elongated, resilient, interlocking face with identical, parallel cross-sections throughout its length
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/14—Bale and package ties, hose clamps
- Y10T24/1498—Plastic band
Description
June so, 1970 A. L. M LER m v 3,511,702 FLEXIBLE MATERIAL TO FQRM 'A' uBuLAR MEMBERY 'Filgd July 8. v1966 3,517,702 FLEXIBLE MATERIAL TO FORM A TUBULAR MEMBER Arthur Llewellyn Mueller, Havertown, and John Omer Trimble, Malveru, Pa., assiguors to AMP Incorporated, Harrisburg, Pa.
Filed July 8, 1966, Ser. No. 563,905 Int. Cl. F16] 11/00; H01b 7/28 US. Cl. 138128 4 Claims ABSTRACT OF THE DISCLOSURE A plastic tubing comprises a strip of material having a thin wall body section provided with a receiving section along one longitudinal edge and a barbed section along another longitudinal edge, the receiving section defining a U-shaped configuration and the barbed sec tion having a barb, the receiving section and the barb is mateable with the receiving section to form the body section into a tube having an inner surface of substantially constant diameter.
This invention relates to a plastic tube and more particularly to a plastic tube for'covering electrical wires, pipes, cables or the like to' form an insulating and protective covering therefor.
Plastic tubing is presently being used in increasing amounts to cover electrical wires, pipes, cables or the like. Some of the reasons for using this tubing are: it is inexpensive, noncorrosive, veryflexible, nonflammable, resistant to chemicals, easy to apply and economical to manufacture.
An object of the invention is to provide plastic tubing that is economical to manufacture and is readily securable in position.
Another object of the invention, is the provision of plastic tubing that has a configuration to be readily secured in position.
A further object of the inventionis to provide plastic tubing having interengaging edges that will maintain the tubing in a secured position.
-An additional. object of the invention is to provide plastic tubing provided with interengaging edges on which means can be mounted to prevent disengagement of the interengaging edges.
A still further object of the invention is the provision of plastic tubing provided with interengaging edges between which a seal can be formed.
Other objects and attainments of the present invention 3,517,702 Patented June 30, 1970 section at an angle therefrom, the barbed section having a body portion and a barb, the body portion extending outwardly from the body section at an angle thereto and the barb extending outwardly from the body portion substantially at right angles thereto, the body section having a configuration so that the receiving section and barb are substantially in alignment, the barb being disposable within the receiving section with the barb being engageable by the lugs to secure the barb within the receiving section to form the body section into a flexible tube with the bight of the receiving section and the body portion of the will become apparent to those skilled in the art upon a reading of the following detailed description when taken in conjunction with the drawings in which there are shown and described illustrative embodiments of the invention; it is to be understood, however, that these embodiments are not intended to be exhaustive nor limiting of the invention but are given for purposes of illustration in order that others skilled in the art may fully understand the invention and the principles thereof and the manner of applying it in practical use so that they may modify it in various forms, each as may be best suited to the conditions of a particular use.
The foregoing and other objects are achieved by a plastic tubing comprising a thin-walled body section provided with a receiving section along one longitudinal edge and a barbed section along another longitudinal edge, the receiving section defining a U-shape provided with legs connected together by a bight, free ends of the legs having inwardly-directed lugs disposed toward the bight at an acute angle with respect to the legs, the bight and one of the legs extending outwardly from the body barbed section being disposed substantially parallel with respect to each other.
In the drawing:
FIG. 1 is a cross-sectional view of a sheet of material to form a tubular member;
FIG. 2 is a perspective view of the sheet of material of FIG. 1 formed into a tubular member in which conductor members are disposed;
FIG. 3 is a cross-sectional view of FIG. 2 with sections of the tubular member within a channel member; and
FIG. 4 is a cross-sectional view of an embodiment of the invention.
The present invention will be described in conjunction with electrical conductors but it is to be understood that the invention is suitable for use to cover pipes, cables, or the like without departing from the principles of the invention.
Turning now to the drawing, a continuous strip 1 of a suitable plastic such as, for example, vinyl, polypropylene, polyethylene, or other plastic, has a cross-section as shown in FIG. 1. The plastic can be either rigid, semirigid or flexible depending upon the intended use. Strip 1 is preferably extruded in a conventional manner in accordance with the configuration as illustrated in FIG. 1. Strip 1 includes a body section 2 which is provided along one edge with a receiving section 3 and along the other edge with a barbed section 4.
Receiving section 3 has a U-shaped configuration including legs 5 and a bight 6. The free ends of legs 5 have inwardly directed lugs 7 disposed toward the bight at an acute angle with respect to the legs. Bight 6 has sections on each side of the center thereof with each section being substantially parallel with respect to a respective lug common to the leg to which the section and lug are integral.
Since strip 1 is preferably extruded in accordance with the configuration illustrated in FIG. 1, receiving section 3 is disposed in alignment with barb 9 so that barb 9 can be readily inserted within receiving section 3 with lugs 7 latchably engaging barb 9 to secure strip 1 in a tubular configuration as illustrated in FIG. 2 in order to cover electrical conductors and maintain them in a bunched condition. Bight 6-of receiving section 3 and body portion 8 of barbed section 4 are disposed substantially parallel with respect to each other so that they can readily be grasped in order to mate bark 9 within 3 receiving section 3. The outer surfaces of lugs 7 are beveled to facilitate the insertion of barb 9 within receiving section 3. Receiving section 3 and barbed section 4 maintain strip 1 in a tubular configuration which can be subjected to torsional and bending stresses without coming apart.
In use, electrical conductors are introduced within body section 2 between receiving section 3 and barb section 4 and the barbed section and receiving section are mated together to form tubular member T to cover elec trical conductors 10 and to maintain them in a bunched condition.
FIG. 4 illustrates an embodiment of the invention wherein barbed section 4' comprises extensions 14 extending outwardly from body portion 8 in a direction substantially parallel with respect to barb 9. Inner extension 14 is longer than outer extension 14. The legs and lugs of receiving section 3' fit snugly between barb 9 and extensions 14 with extensions 14 exerting pressure on the legs and lugs of receiving section 3' to maintain receiving section 3 and barb section 4 in a positively latched position. Inner extension 14 extends substantially along the entire length of receiving section 3' in order to provide sufficient area of contact th'erebetween. Receiving section 3 and barbed section 4' can be disposed within channel 13 in a manner similar to that of the embodiment of FIGS. 1 through 3.
Sealing compound may be disposed within receiving sections 3 and 3' to form a watertight seal between the receiving sections and barbed sections when in a mated position. If desired, a layer of conductive material may be bonded to the embodiments of FIGS. 1 through 3 and FIG. 4 in order to provide efiective electrical shielding characteristics for the electrical conductors to be carried within the formed tubular members. The conductive material can be woven metallic filaments, woven fabric including threads of conductive and nonconductive filaments, a thin film of metallic material or the like. Conventional ground connection means are applied to the conductive material to ground the shielding means as desired. Barbed section 3 of one strip can be secured in a receiving section 4 of another strip to increase the size of the strip. More than two strips may be secured together.
As can be discerned, there has been disclosed a novel and unique tubular member formed from a strip of material having along its longitudinal edges a receiving and barbed section in order to form the strip of material into a tubular member that readily retains its configuration in the presence of torsional or bending stresses.
The invention is claimed in accordance with the following:
1. In a tubular member, the improvement comprising an elongated piece of material including a body section capable of being bent into a tubular configuration and having a receiving section along one longitudinal edge and a barbed section along the other longitudinal edge, said receiving section comprising a substantially flat leg member projecting from an edge of the body section in angular relation to the strip, a second leg member extending parallel to and coextensive with the first leg member and connected thereto, adjacent its junction with the edge of the strip, by a U-shaped portion forming a bight, lugs located at free ends of said leg members directed toward said bight, said barbed section having a body portion and a barb extending outwardly from said body portion at an angle with respect thereto, said barb being disposable within said receiving section said barb being engageable by said lugs to form said body section into said tubular member having a substantially smooth inner surface, including that of the first leg members, and of substantially constant diameter and with said bight of said receiving section and said body portion of said barbed section being disposed substantially parallel with respect to each other.
2. The tubular member according to claim 1 wherein said body section has a configuration so that said receiving section and said barbed section are disposed opposite each other with said barb in alignment with said receiving section.
3. The tubular member according to claim 1 wherein said body portion includes beveled surfaces mateable with outer surfaces of said inwardly-directed lugs so that said beveled surfaces fit snugly against said outer surfaces of said inwardly-directed lugs.
4. The tubular member according to claim 1 wherein acute areas are disposed at junctions between said body section and said receiving section and said barbed section, free ends of a channel member being disposable within said acute areas to maintain said receiving section and said barbed section in a locked position.
, References Cited UNITED STATES PATENTS Re. 24,613 3/1959 Hageltorn 138128 X 2,355,816 8/1944 Morner 24--201.3 X 2,606,351 8/1952. Wende 24201.3 2,810,944 10/1957 Sander 24-201.3 2,825,673 3/1958 Tschappu 24201.3 X 3,088,495 5/1963 Svec 138-128 3,198,228 8/ 1965 Naito 24-2013 X 3,234,614 2/1966 Plummer 24201.3
FOREIGN PATENTS 1,018,167 10/ 1952 France.
U.S. Cl. X.R.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US56390566A | 1966-07-08 | 1966-07-08 |
Publications (1)
Publication Number | Publication Date |
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US3517702A true US3517702A (en) | 1970-06-30 |
Family
ID=24252363
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US563905A Expired - Lifetime US3517702A (en) | 1966-07-08 | 1966-07-08 | Flexible material to form a tubular member |
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Cited By (81)
Publication number | Priority date | Publication date | Assignee | Title |
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US3708834A (en) * | 1971-02-01 | 1973-01-09 | Atco Rubber Prod Inc | Stretch clamp |
US3846575A (en) * | 1973-07-16 | 1974-11-05 | Reliable Electric Co | Cable sheath and ready access closure including a cable sheath |
FR2232852A1 (en) * | 1973-06-06 | 1975-01-03 | Bourbon & Fils Ets | Cable troughing - cables fed through slot in top, edges of slot clip together to form enclosure |
US3913187A (en) * | 1973-10-18 | 1975-10-21 | Nifco Inc | Squeeze-action clamp |
US3933158A (en) * | 1974-02-15 | 1976-01-20 | Haverstock Charles B | Skin closure means |
JPS5188867U (en) * | 1975-01-13 | 1976-07-16 | ||
US4062277A (en) * | 1974-02-11 | 1977-12-13 | W. B. Van Nest Company | Defrosting apparatus |
FR2431786A1 (en) * | 1978-07-19 | 1980-02-15 | Ruhrchemie Ag | Curved electrical connecting fittings - comprising cable inside, polyethylene tubing, made by inserting cable into straight length of tube and then curving (BE 14.1.80) |
US4214351A (en) * | 1978-08-15 | 1980-07-29 | Wenk Raymond C | Snap-on clamp |
US4218814A (en) * | 1979-04-09 | 1980-08-26 | Dart Industries Inc. | Method of insulating conduit |
US4224965A (en) * | 1979-02-02 | 1980-09-30 | Omni Plastic Products, Inc. | Interlocking strip |
US4260111A (en) * | 1977-10-11 | 1981-04-07 | Reed Irrigation Systems | Drip irrigation conduit |
US4269357A (en) * | 1977-02-08 | 1981-05-26 | Ris Irrigation Systems | Continuous drip irrigation tube |
US4285102A (en) * | 1978-03-11 | 1981-08-25 | Jansen Raymond K | Document clamping devices |
US4317262A (en) * | 1979-09-12 | 1982-03-02 | Ideal Industries, Inc. | Releasable cable clamp |
US4384594A (en) * | 1980-04-30 | 1983-05-24 | Kabelschlepp Gesellschaft mit beschraankter Haftung | Energy conduit support |
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US4502186A (en) * | 1981-10-20 | 1985-03-05 | Blounthurst Limited | Clip for securing hosepipes and like uses |
US4535197A (en) * | 1984-04-06 | 1985-08-13 | Butler David O | Unitary cable closure |
US4536611A (en) * | 1984-06-22 | 1985-08-20 | Butler David O | Unitary telephone cable closure |
US4559761A (en) * | 1980-07-15 | 1985-12-24 | Kumm William H | Method for transporting insulation to a work area |
US4714277A (en) * | 1985-04-26 | 1987-12-22 | Siemens Aktiengesellschaft | Longitudinally divided sleeve of shrinkable material |
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Cited By (111)
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