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:
Oct. 02, 1984
Filed:
Apr. 07, 1982
Takayuki Hiraoka, Wagi, JP;
Kenji Fujiyoshi, Tokyo, JP;
Mitsui Petrochemical Industries, Ltd., Tokyo, JP;
Abstract
A laminated film or sheet structure composed of (i) an adhesive layer (A), (ii) synthetic resin film layers (B.sub.1) and (B.sub.2) monoaxially oriented in a direction oblique to the longitudinal direction of the film, said layers (B.sub.1) and (B.sub.2) being located on both surfaces of said layer (A) in contact therewith, the directions of the orientations of said layers (B.sub.1) and (B.sub.2) crossing each other, and (iii) a substantially non-oriented synthetic resin film layer (C.sub.1) and/or a substantially non-oriented synthetic resin film layer (C.sub.2), said layers (C.sub.1) and/or (C.sub.2) being melt-adhered to both or one of said layers (B.sub.1) and (B.sub.2), said layers (C.sub.o) and/or (C.sub.2) having a lower orientation temperature than said layers (B.sub.1) and (B.sub.2); and a process for production thereof.