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:
Mar. 30, 2021
Filed:
Nov. 27, 2018
Applicant:
Harrison Spinks Components Limited, Leeds, GB;
Inventors:
Simon Paul Spinks, Cawood, GB;
David Clare, Barnsley, GB;
Assignee:
Harrison Spinks Components Limited, Leeds, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B68G 9/00 (2006.01); A47C 27/06 (2006.01);
U.S. Cl.
CPC ...
B68G 9/00 (2013.01); A47C 27/064 (2013.01); Y10T 29/49609 (2015.01); Y10T 29/49613 (2015.01); Y10T 29/53996 (2015.01);
Abstract
Disclosed are methods, apparatus, devices, and other implementations, including a method for the production of a pocketed spring unit that includes compressing a plurality of springs, moving the springs to positions between upper and lower layers of fabric or other material, step-wise advancing the material and the springs in a spring unit output direction, and welding together the lengths of fabric or other material at each step-wise advancement to produce a pattern of welds in which are formed a plurality of discrete pockets, each containing a spring.