JPS57178730A - Manufacture of readily openable container cover - Google Patents

Manufacture of readily openable container cover

Info

Publication number
JPS57178730A
JPS57178730A JP56063483A JP6348381A JPS57178730A JP S57178730 A JPS57178730 A JP S57178730A JP 56063483 A JP56063483 A JP 56063483A JP 6348381 A JP6348381 A JP 6348381A JP S57178730 A JPS57178730 A JP S57178730A
Authority
JP
Japan
Prior art keywords
lump
grip member
forming
cover body
container cover
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.)
Granted
Application number
JP56063483A
Other languages
English (en)
Other versions
JPH021008B2 (ja
Inventor
Isao Ichinose
Mitsuhiro Sakamoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Closures Co Ltd
Original Assignee
Japan Crown Cork Co Ltd
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 Japan Crown Cork Co Ltd filed Critical Japan Crown Cork Co Ltd
Priority to JP56063483A priority Critical patent/JPS57178730A/ja
Publication of JPS57178730A publication Critical patent/JPS57178730A/ja
Publication of JPH021008B2 publication Critical patent/JPH021008B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/18—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
    • B29C43/40—Moulds for making articles of definite length, i.e. discrete articles with means for cutting the article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
    • B29C43/361—Moulds for making articles of definite length, i.e. discrete articles with pressing members independently movable of the parts for opening or closing the mould, e.g. movable pistons
    • B29C2043/3615—Forming elements, e.g. mandrels or rams or stampers or pistons or plungers or punching devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
    • B29C43/40—Moulds for making articles of definite length, i.e. discrete articles with means for cutting the article
    • B29C2043/403—Moulds for making articles of definite length, i.e. discrete articles with means for cutting the article knife blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • B29C2793/0009—Cutting out
    • B29C2793/0018—Cutting out for making a hole
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • B29C2793/009—Shaping techniques involving a cutting or machining operation after shaping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/56—Stoppers or lids for bottles, jars, or the like, e.g. closures
    • B29L2031/565—Stoppers or lids for bottles, jars, or the like, e.g. closures for containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/709—Articles shaped in a closed loop, e.g. conveyor belts
    • B29L2031/7096—Rings or ring-like articles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Closures For Containers (AREA)
JP56063483A 1981-04-28 1981-04-28 Manufacture of readily openable container cover Granted JPS57178730A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56063483A JPS57178730A (en) 1981-04-28 1981-04-28 Manufacture of readily openable container cover

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56063483A JPS57178730A (en) 1981-04-28 1981-04-28 Manufacture of readily openable container cover

Publications (2)

Publication Number Publication Date
JPS57178730A true JPS57178730A (en) 1982-11-04
JPH021008B2 JPH021008B2 (ja) 1990-01-10

Family

ID=13230526

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56063483A Granted JPS57178730A (en) 1981-04-28 1981-04-28 Manufacture of readily openable container cover

Country Status (1)

Country Link
JP (1) JPS57178730A (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63138957A (ja) * 1986-11-17 1988-06-10 東洋製罐株式会社 引裂容器蓋
WO1991008888A1 (en) * 1989-12-07 1991-06-27 Japan Crown Cork Co., Ltd. Compression molding device
EP0435214A1 (en) * 1989-12-27 1991-07-03 Japan Crown Cork Co. Ltd. Container closure having metallic body and plastic grip piece
US5035594A (en) * 1989-08-11 1991-07-30 Toyo Seikan Kaisha, Ltd. Compression molding apparatus
US5071339A (en) * 1988-11-07 1991-12-10 Toyo Seikan Kaisha, Ltd. Compression molding apparatus
US5200201A (en) * 1990-09-07 1993-04-06 Toyo Seikan Kaisha, Ltd. Apparatus for forming plastic grip member of container closure

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63138957A (ja) * 1986-11-17 1988-06-10 東洋製罐株式会社 引裂容器蓋
JPS63138956A (ja) * 1986-11-17 1988-06-10 東洋製罐株式会社 瓶を封止するための引裂蓋
US5071339A (en) * 1988-11-07 1991-12-10 Toyo Seikan Kaisha, Ltd. Compression molding apparatus
US5035594A (en) * 1989-08-11 1991-07-30 Toyo Seikan Kaisha, Ltd. Compression molding apparatus
WO1991008888A1 (en) * 1989-12-07 1991-06-27 Japan Crown Cork Co., Ltd. Compression molding device
GB2244952A (en) * 1989-12-07 1991-12-18 Crown Cork Japan Compression molding device
US5118273A (en) * 1989-12-07 1992-06-02 Japan Crown Cork Co., Ltd. Compression molding apparatus
GB2244952B (en) * 1989-12-07 1993-09-22 Crown Cork Japan Compression molding apparatus
EP0435214A1 (en) * 1989-12-27 1991-07-03 Japan Crown Cork Co. Ltd. Container closure having metallic body and plastic grip piece
US5145084A (en) * 1989-12-27 1992-09-08 Japan Crown Cork Co., Ltd. Container closure having metallic body and plastic grip piece
US5200201A (en) * 1990-09-07 1993-04-06 Toyo Seikan Kaisha, Ltd. Apparatus for forming plastic grip member of container closure

Also Published As

Publication number Publication date
JPH021008B2 (ja) 1990-01-10

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