WO2001074679A1 - An airtight container cover that is made by double injection molding method - Google Patents

An airtight container cover that is made by double injection molding method Download PDF

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Publication number
WO2001074679A1
WO2001074679A1 PCT/KR2001/000539 KR0100539W WO0174679A1 WO 2001074679 A1 WO2001074679 A1 WO 2001074679A1 KR 0100539 W KR0100539 W KR 0100539W WO 0174679 A1 WO0174679 A1 WO 0174679A1
Authority
WO
WIPO (PCT)
Prior art keywords
injection molding
molding method
cover
double injection
airtight container
Prior art date
Application number
PCT/KR2001/000539
Other languages
French (fr)
Inventor
Jaegu Moon
Junggeum Park
Original Assignee
Jaegu Moon
Junggeum Park
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 Jaegu Moon, Junggeum Park filed Critical Jaegu Moon
Priority to CA002404888A priority Critical patent/CA2404888A1/en
Priority to AU2001244820A priority patent/AU2001244820A1/en
Priority to JP2001572382A priority patent/JP2003529501A/en
Priority to DE10196016T priority patent/DE10196016T1/en
Publication of WO2001074679A1 publication Critical patent/WO2001074679A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • B65D43/0202—Removable lids or covers without integral tamper element
    • B65D43/0214—Removable lids or covers without integral tamper element secured only by friction or gravity
    • B65D43/0218—Removable lids or covers without integral tamper element secured only by friction or gravity on both the inside and the outside of the mouth of the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00064—Shape of the outer periphery
    • B65D2543/00074—Shape of the outer periphery curved
    • B65D2543/00092—Shape of the outer periphery curved circular
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00064—Shape of the outer periphery
    • B65D2543/0012—Shape of the outer periphery having straight sides, e.g. with curved corners
    • B65D2543/00175—Shape of the outer periphery having straight sides, e.g. with curved corners four straight sides, e.g. trapezium or diamond
    • B65D2543/00194—Shape of the outer periphery having straight sides, e.g. with curved corners four straight sides, e.g. trapezium or diamond square or rectangular
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00231—Overall construction of the lid made of several pieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00259—Materials used
    • B65D2543/00296—Plastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/0049—Contact between the container and the lid on the inside or the outside of the container on the inside, or a part turned to the inside of the mouth of the container
    • B65D2543/00518—Skirt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00537—Contact between the container and the lid on the inside or the outside of the container on the outside, or a part turned to the outside of the mouth of the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00555—Contact between the container and the lid on the inside or the outside of the container on both the inside and the outside
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00824—Means for facilitating removing of the closure
    • B65D2543/00833—Integral tabs, tongues, handles or similar
    • B65D2543/00842—Integral tabs, tongues, handles or similar outside of the lid

Definitions

  • the present invention relates to a cover of container made of plastic, more particularly to a cover of container, which its airtight power is increased and a soft molding material and a rigid molding material can be stuck to each other, so that after molding, the cover is to be made smooth and flat.
  • the prior art is represented as a container cover made by double injection molding method as shown in Fig. 6, which is that after the body (11) of the cap (10) is made at first, the part (10a) that is combined with the container (20) is made of a soft material on the outer border of the cap (10) by double injection molding method, which is formed the body (11), so that the combining part (10a) has a better airtight power by means of the soft viscosity.
  • the inside part of the combining part (10a) is coating-treated with a soft material, so that the coating-treated part (13) has a great airtight power due to the viscosity.
  • the coated- treated part is scaling after all.
  • the coating layer is formed inside part of the combining part (10a) by double injection molding method, so the said coating layer is protruded toward the top through the hole or the opening part on the cover, so the airtight power is improved and the appearance is excellent as well as the coating layer that is formed inside of the combining part (10a) may not be separated.
  • FIG. 1 is a perspective view according to the embodiment of the present invention
  • FIG. 2 is a perspective view showing the hole of the cover
  • FIG. 3 is a perspective view showing the opening part instead of the said hole
  • FIG. 4 is a sectional view showing the formation of the outer wall.
  • FIG. 4 A is a sectional view showing the formation of the inner wall
  • FIG. 5 is a perspective view showing the hole perforated on the cover of the container.
  • FIG. 6 is a sectional view of the embodiment of the prior art made by double injection molding method
  • FIG. 7 is a sectional view showing the coating layer of the prior art
  • the present invention relates to a cover of container made of plastic, more particularly to a cover of container, which its airtight power is increased and a soft molding material and a rigid molding material can be stuck to each other, so that after molding, the cover is to be made smooth and flat.
  • the prior art is represented as a container cover made by double injection molding method as shown in Fig. 6, which is that after the body (11) of the cap (10) is made at first, the part (10a) that is combined with the container (20) is made of a soft material on the outer border of the cap (10) by double injection molding method, which is formed the body (11), so that the combining part (10a) has a better airtight power by means of the soft viscosity.
  • the inside part of the combining part (10a) is coating-treated with a soft material, so that the coating-treated part (13) has a great airtight power due to the viscosity.
  • the coated-treated part is scaling after all.

Abstract

A thin packing cover needs some pressing and bending process to stick the packing material into the main cover. This inventory is the packing cover which can be manufactured without bending or pressing the main cover by the processing of double injection molding method that can inject the packing plastic material from upper and under packing place of the main cover.

Description

An Airtight Container Cover That Is Made by Double Injection
Molding Method
Background of the invention Field of the Invention
The present invention relates to a cover of container made of plastic, more particularly to a cover of container, which its airtight power is increased and a soft molding material and a rigid molding material can be stuck to each other, so that after molding, the cover is to be made smooth and flat.
At the recent years, the prior art is represented as a container cover made by double injection molding method as shown in Fig. 6, which is that after the body (11) of the cap (10) is made at first, the part (10a) that is combined with the container (20) is made of a soft material on the outer border of the cap (10) by double injection molding method, which is formed the body (11), so that the combining part (10a) has a better airtight power by means of the soft viscosity.
However, this kind of prior art has some problems such as the covered part is scaling off and when cooled, the torture is produced, which is not made the cover smooth and flat, because of the differences in the molding condition with the body (11) of the cap in regard that the body (11) of the cap is usually injection-molded in the thickness of 1mm and that thickness of the cover, which is molded in the method covering over, is 0.1mm.
Therefore, in order to prevent this torture, as shown in Fig 7, when the body (11) is formed as one with the combining part (10a) by double injection molding method, the inside part of the combining part (10a) is coating-treated with a soft material, so that the coating-treated part (13) has a great airtight power due to the viscosity.
Nevertheless, it is difficult to coat only the inside part and because there is no way to connect the coating-treated part with the body (11), the coated- treated part is scaling after all.
Discussion of Related Art
Thus, in order to solve the above-mentioned problem, as the coating layer is formed inside part of the combining part (10a) by double injection molding method, the said coating layer is protruded toward the top through the hole or the opening part on the cover, so the airtight power is improved and the appearance is excellent as well as the coating layer that is formed inside of the combining part (10a) may not be separated.
Brief Description of the Attached Drawings
FIG. 1 is a perspective view according to the embodiment of the present invention FIG. 2 is a perspective view showing the hole of the cover
FIG. 3 is a perspective view showing the opening part instead of the said hole
FIG. 4 is a sectional view showing the formation of the outer wall.
FIG. 4 A is a sectional view showing the formation of the inner wall
FIG. 5 is a perspective view showing the hole perforated on the cover of the container.
FIG. 6 is a sectional view of the embodiment of the prior art made by double injection molding method
FIG. 7 is a sectional view showing the coating layer of the prior art
Detailed Description of Preferred Embodiment
The present invention relates to a cover of container made of plastic, more particularly to a cover of container, which its airtight power is increased and a soft molding material and a rigid molding material can be stuck to each other, so that after molding, the cover is to be made smooth and flat.
At the recent years, the prior art is represented as a container cover made by double injection molding method as shown in Fig. 6, which is that after the body (11) of the cap (10) is made at first, the part (10a) that is combined with the container (20) is made of a soft material on the outer border of the cap (10) by double injection molding method, which is formed the body (11), so that the combining part (10a) has a better airtight power by means of the soft viscosity.
However, this kind of prior art has some problems such as the covered part is scaling off and when cooled, the torture is produced, which is not made the cover smooth and flat, because of the differences in the molding condition with the body (11) of the cap in regard that the body (11) of the cap is usually injection-molded in the thickness of 1mm and that thickness of the cover, which is molded in the method covering over, is 0.1mm.
Therefore, in order to prevent this torture, as shown in Fig 7, when the body (11) is formed as one with the combining part (10a) by double injection molding method, the inside part of the combining part (10a) is coating-treated with a soft material, so that the coating-treated part (13) has a great airtight power due to the viscosity.
Nevertheless, it is difficult to coat only the inside part and because there is no way to connect the coating-treated part with the body (11), the coated-treated part is scaling after all.

Claims

What is claimed is:
1. An airtight container cover that is made by double injection molding method wherein its improvement comprising, a body is formed as one with the combining part, which is combined with the container by double injection molding method, a coating layer is protruded toward the top through the hole or the opening part on the cover, so the airtight power is improved and the appearance is excellent as well as the coating layer that is formed inside of the combining part may not be separated.
2. An airtight container cover that is made by double injection molding method as claimed in claim 1 wherein, the opening part is formed instead of the said hole.
3. An airtight container cover that is made by double injection molding method as claimed in claim 1 wherein, the trademark of the product is printed on the surface of the protrusion that is protruded toward the top of the cover.
4. An airtight container cover that is made by double injection molding method as claimed in claim 1 wherein, the protrusion is made by double injection molding method with the hole in the inner wall of the combining part through the hole on the top of the cover.
5. An airtight container cover that is made by double injection molding method as claimed in claim 1 wherein, the protrusion is formed on the inner wall or outer wall of the combining part by double injection molding method and protruded through the hole on the top of the cover.
PCT/KR2001/000539 2000-04-01 2001-03-30 An airtight container cover that is made by double injection molding method WO2001074679A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CA002404888A CA2404888A1 (en) 2000-04-01 2001-03-30 An airtight container cover that is made by double injection molding method
AU2001244820A AU2001244820A1 (en) 2000-04-01 2001-03-30 An airtight container cover that is made by double injection molding method
JP2001572382A JP2003529501A (en) 2000-04-01 2001-03-30 Closed container lid manufactured by two-material injection molding method
DE10196016T DE10196016T1 (en) 2000-04-01 2001-03-30 Airtight container lid

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2000-0017182A KR100440370B1 (en) 2000-04-01 2000-04-01 An airtight container cover which is made in double injection molding method
KR2000/17182 2000-04-01

Publications (1)

Publication Number Publication Date
WO2001074679A1 true WO2001074679A1 (en) 2001-10-11

Family

ID=19661114

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2001/000539 WO2001074679A1 (en) 2000-04-01 2001-03-30 An airtight container cover that is made by double injection molding method

Country Status (8)

Country Link
US (1) US20030160056A1 (en)
JP (1) JP2003529501A (en)
KR (1) KR100440370B1 (en)
CN (1) CN100475656C (en)
AU (1) AU2001244820A1 (en)
CA (1) CA2404888A1 (en)
DE (1) DE10196016T1 (en)
WO (1) WO2001074679A1 (en)

Cited By (1)

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WO2014151200A2 (en) 2013-03-15 2014-09-25 Synergy Pharmaceuticals Inc. Compositions useful for the treatment of gastrointestinal disorders

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KR100440784B1 (en) * 2002-11-21 2004-07-21 하나코비 주식회사 Non-plastic container for storing food
KR100597894B1 (en) * 2004-12-20 2006-07-20 문제구 A n airtight ressel and a products equipment of the one which is improved the airtight means
WO2007003210A1 (en) * 2005-07-01 2007-01-11 Cook-World Gmbh Kitchen appliance
US20080203092A1 (en) * 2007-02-28 2008-08-28 Stamper Leonard R Container sealing system
KR100814707B1 (en) * 2007-07-26 2008-03-18 (주)명문엘씨 The receptacle with a lid in form packing having wings
KR100926709B1 (en) * 2007-12-05 2009-11-17 엘지전자 주식회사 Airtight containers
US8376181B2 (en) 2010-05-21 2013-02-19 Wki Holding Company, Inc. Container assembly with flexible lid seal and releasing arrangement
USD675057S1 (en) 2012-03-09 2013-01-29 Wki Holding Company, Inc. Lid
US8733550B2 (en) 2012-03-09 2014-05-27 Wki Holding Company, Inc. Nesting container lids with snap on wings
USD673807S1 (en) 2012-03-10 2013-01-08 Wki Holding Company, Inc. Container lid
USD673808S1 (en) 2012-03-10 2013-01-08 Wki Holding Company, Inc. Container lid
KR101186260B1 (en) * 2012-07-19 2012-09-27 임상만 A cover assembly for airtight container
CN106458381B (en) 2014-03-20 2018-12-18 李闵奎 Prevent foreign matter card plug can Multi-stacking compaction sealing container

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JPH1024966A (en) * 1996-07-11 1998-01-27 Hikari Kinzoku Kogyo Kk Vacuum seal storage container and perishable food storage method using the same

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014151200A2 (en) 2013-03-15 2014-09-25 Synergy Pharmaceuticals Inc. Compositions useful for the treatment of gastrointestinal disorders

Also Published As

Publication number Publication date
DE10196016T1 (en) 2003-04-24
KR20010034962A (en) 2001-05-07
JP2003529501A (en) 2003-10-07
AU2001244820A1 (en) 2001-10-15
CN100475656C (en) 2009-04-08
CN1422227A (en) 2003-06-04
US20030160056A1 (en) 2003-08-28
CA2404888A1 (en) 2001-10-11
KR100440370B1 (en) 2004-07-19

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