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.

Date of Patent:
Dec. 23, 2003

Filed:

Dec. 18, 2000
Applicant:
Inventors:

Haruyoshi Kawata, Osaka, JP;

Shoichi Omori, Osaka, JP;

Assignee:

Fuji Seal, Inc., Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B31F 1/00 ;
U.S. Cl.
CPC ...
B31F 1/00 ;
Abstract

The present invention provides a sheet with a folding portion that has a sheet body such as a plastic sheet, on which a folding portion ( ) is formed perpendicular with respect to the folding direction (X). The folding portion ( ) of the sheet includes a large number of recesses ( ) and remnants ( ) defined between the recesses ( ) formed on the sheet body ( ). Boundary lines ( ) between the recesses ( ) and the remnants ( ) each are tilted at acute angle with respect to the folding portion-forming direction (Y) and towards the same side as that of an opposite one of the boundary lines ( ) with a corresponding remnant ( ) therebetween. The present invention also provides a shaping blade for shaping the folding portion on the sheet.


Find Patent Forward Citations

Loading…