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:
Feb. 01, 2011
Filed:
Sep. 15, 2006
Simon Paul Spinks, Cawood, GB;
David Clare, Barnsley, GB;
Simon Paul Spinks, Cawood, GB;
David Clare, Barnsley, GB;
A Harrison (Bedding) Limited, Leeds, West Yorkshire, GB;
Abstract
A method and apparatus for the production of a pocketed spring unit, the method comprising the steps of compressing and feeding a plurality of springs () into troughs (A,A) or castellations in opposed conveyor belts (), moving said springs () from said troughs (A,A) or castellations to a position between upper and lower layers of fabric or other material (A,A), step-wise advancing said material (A,A) and said springs () in the direction of the output of the apparatus and welding together said lengths of fabric or other material (A,A) at each step-wise advancement by a plurality of sequentially controlled welding anvils () so as to form a plurality of discrete pockets () each containing a spring (). Apparatus for carrying out the method is disclosed.