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. 25, 1992
Filed:
Nov. 20, 1990
Applicant:
Inventors:
Juris Walter, Schaffhausen, CH;
Hans-Rudolf Nageli, Neuhausen am Rheinfall, CH;
Assignee:
Alusuisse-Lonza Services Ltd., Zurich, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B30B / ;
U.S. Cl.
CPC ...
156581 ; 533748 ; 1565831 ;
Abstract
A sealing tool for heat-sealing a pull-off lid (1) with a tearing-open tab (13) onto a container (4) comprises an upper sealing jaw (5) and a lower sealing jaw (6). The upper sealing jaw (5) is equipped, in the region of the tearing-open tab (13), with recesses (11) which start from the edge (10) of the pressure surface (9) making the sealing seam and which extend over the smaller part of the width of the pressure surface (9).