The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 23, 1997
Filed:
Sep. 04, 1996
Kenichi Tanaka, Himeji, JP;
Masao Takashige, Himeji, JP;
Idemitsu Petrochemical Co., Ltd., Tokyo, JP;
Abstract
A snap fastener having a male strip member and a female strip member, mutually engaged and respectively having a band-like base portion and a snapping portion having a snapping function, in which the band-like base portion includes a first layer fused onto a bag body; a second layer laminated onto the first layer; and a third layer laminated onto the second layer, and further the first layer is consisted of a resin film fusing the inner-most layer of the bag body, the second layer consists of a biaxially oriented film, the third layer consists of a resin film fusing the snapping portion, and the snapping portion consists of synthetic resin having a melt index (MI) of 1-20 g/10 min. At least one layer of the biaxially oriented nylon film consists 40-85% by weight of nylon 6 (Ny 6) and 15-60% by weight of metaxylylene adipamide (MXD 6), in which both magnifications of the MD direction (the moving direction of the film) and the TD direction (the direction of the width of the film) in extending are more than 2.8 times.