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. 13, 2002
Filed:
Aug. 08, 2001
Applicant:
Inventor:
Murray Edward Bruce Leighton, North Yorkshire, GB;
Assignee:
Supreme Plastics Holdings Limited, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65H 6/906 ;
U.S. Cl.
CPC ...
B65H 6/906 ;
Abstract
In the manufacture of plastics bags using reclosable zipper strip ( ) with engageable male and female profiles ( ), a butt splicing operation is used to speed up the changeover from one reel of zipper strip to another. The trailing end of one strip and the leading end of the next strip are brought together in abutting relationship within a splicing unit, sealing material ( ) is overlaid on the end zones of opposite sides of the strips, and this is sealed to the underlying zipper strips, preferably using heat and pressure. The flanges ( ) of the zipper strips are held apart by separator plates ( ) during the sealing operation.