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:
Jan. 19, 1988
Filed:
Dec. 08, 1986
Applicant:
Inventor:
James R Mabry, Spartanburg, SC (US);
Assignee:
W. R. Grace & Co., Cryovac Div., Duncan, SC (US);
Primary Examiner:
Int. Cl.
CPC ...
B65B / ; B65B / ;
U.S. Cl.
CPC ...
53451 ; 53551 ; 53373 ; 53479 ;
Abstract
A method and apparatus for improving transverse seal strength in a vertical form-fill-seal machine includes directing a cooling medium on a just formed transverse seal from an area beneath and on either side of the film, in an arcuate pattern to effect cooling during at least a portion of the downward movement of the seal toward a cutting means.