Title:
CASE FOR CARD OR THE LIKE AND MANUFACTURING METHOD
Document Type and Number:
Japanese Patent JP3908440
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a case for a multi-purpose card or the like provided with the feeling of a high grade, no change of properties caused by temperature and time used, and the high stability of a shape and easy to execute a correct sticking operation, and an economical manufacturing method.
SOLUTION: The case for the card or the like of this invention is constituted of a film of an ethylene copolymerization polypropylene resin in which at least a part of the film is laminated more than two layers, a pocket body in which a peripheral edge portion except an opening portion is bonded integrally by welding is bonded to a release paper through a pressure sensitive adhesive layer provided on the outer surface of the film in a large area side, and is laid disposingly on the surface of the release paper by applying a pressure sensitive adhesive on the surface on which the corona discharge treatment of the film of the ethylene copolymerization polypropylene resin has been executed, and then a laminated body is formed by disposingly laminating the desired number sheets of the films having the same quality as the above film in desired positions, and subsequently, by using a trimming die of a desired shape provided with the heated edge of a blade, this case is manufactured by welding the laminated portion of the film of the laminated body and by fusing the peripheral edge of the film portion at the same time.
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Inventors:
Kazuyuki Sekita
Application Number:
JP2000156543A
Publication Date:
April 25, 2007
Filing Date:
May 26, 2000
Export Citation:
Assignee:
Sekita Shokai Co., Ltd.
International Classes:
B42F17/00; B31B50/62; B65D27/00; (IPC1-7): B42F17/00; B31B1/62; B65D27/00
Domestic Patent References:
| JP8230355A | ||||
| JP7309346A | ||||
| JP691821A | ||||
| JP8283430A | ||||
| JP81577U | ||||
| JP8295091A | ||||
| JP464441A | ||||
| JP5301305A | ||||
| JP274324A | ||||
| JP5842499A | ||||
| JP453033U | ||||
| JP3028893Y2 |
Attorney, Agent or Firm:
Kenzo Fukuda
Shinichi Fukuda
Takemichi Fukuda
Kyosuke Kato
Shinichi Fukuda
Takemichi Fukuda
Kyosuke Kato