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. 01, 2019
Filed:
May. 14, 2013
Harrison Spinks Components Limited, Leeds, West Yorkshire, GB;
Simon Paul Spinks, Cawood, GB;
David Clare, Barnsley, GB;
Harrison Spinks Components Limited, Leeds, GB;
Abstract
A method and apparatus for the production of a pocketed spring unit by compressing and feeding a plurality of springs () into troughs (A,A) or castellations in opposed conveyor belts (), moving the springs () from the troughs (A,A) or castellations to a position between upper and lower layers of fabric or other material (A,A), step-wise advancing the material (A,A) and the springs () in the direction of the output of the apparatus and welding together the 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 ().