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:
Apr. 24, 1990
Filed:
Mar. 07, 1989
Applicant:
Inventor:
William D Kreager, Jr, Dallas, TX (US);
Assignee:
Frito-Lay, Inc., Dallas, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
156203 ; 53451 ; 53545 ; 53551 ; 156215 ; 156218 ; 156289 ; 1563084 ; 156323 ; 156466 ; 1565839 ;
Abstract
An improved apparatus and method for providing uniform fin-type back seals with flexible packaging material for use in conjunction with form-fill-and-seal machines is disclosed which utilizes a moveable tucker plate disposed between the mated edges of the flexible packaging material and the body of the packaging material. When sealing, the tucker plate moves against the body of the packaging material and prevents lateral movement of such material during the sealing operation. The tucker plate is joined to a sealing platen in a manner which maintains a fixed distance between the tucker plate and the sealing platen until a threshold sealing pressure is exceeded.