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:
Aug. 01, 1978
Filed:
Nov. 08, 1976
Applicant:
Inventors:
Shizuaki Kishida, Atsugi, JP;
Misao Takahashi, Atsugi, JP;
Assignee:
Sanyei Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B30B / ;
U.S. Cl.
CPC ...
156510 ; 156583 ;
Abstract
A plastic bag forming and sealing apparatus including a container for a roll of plastic to be formed into bags, the side margins of the roll are presealed to form the plastic into a tube; the roll is unwound to the desired extent, the cover of the container is closed to hold the unwound plastic in place, a blade is moved across the roll to shear the desired length of a plastic bag, with the cover still closed, heat seal means seals the open end of the tube completing the formation of an open sided bag or pouch to be filled.