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:
Apr. 10, 2018
Filed:
May. 29, 2015
Applicant:
E I Du Pont DE Nemours and Company, Wilmington, DE (US);
Inventors:
Martyn Douglas Wakeman, Gland, CH;
Craig Norrey, Puplinge, CH;
Assignee:
E I DU PONT DE NEMOURS AND COMPANY, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 65/02 (2006.01); B29C 53/56 (2006.01); B32B 5/28 (2006.01); B29C 65/08 (2006.01); B29C 65/14 (2006.01); B29C 65/00 (2006.01); F16C 7/02 (2006.01); B29C 70/38 (2006.01); B29L 31/06 (2006.01); B29C 65/10 (2006.01); B29C 65/18 (2006.01); B29B 11/16 (2006.01); B29C 65/78 (2006.01);
U.S. Cl.
CPC ...
B29C 65/02 (2013.01); B29C 53/56 (2013.01); B29C 53/562 (2013.01); B29C 65/08 (2013.01); B29C 65/14 (2013.01); B29C 66/1122 (2013.01); B29C 66/7212 (2013.01); B29C 70/386 (2013.01); B32B 5/28 (2013.01); F16C 7/026 (2013.01); B29B 11/16 (2013.01); B29C 65/10 (2013.01); B29C 65/1412 (2013.01); B29C 65/1448 (2013.01); B29C 65/1464 (2013.01); B29C 65/18 (2013.01); B29C 65/7841 (2013.01); B29C 65/7855 (2013.01); B29C 66/0242 (2013.01); B29C 66/21 (2013.01); B29C 66/4322 (2013.01); B29C 66/4324 (2013.01); B29C 66/49 (2013.01); B29C 66/71 (2013.01); B29C 66/72141 (2013.01); B29L 2031/06 (2013.01); Y10T 428/24132 (2015.01);
Abstract
Disclosed is a method of forming an article from a unidirectional (UD) tape comprising a continuous unidirectional fiber impregnated with polymer resin. The method includes winding a continuous section of cold UD tape to form a closed loop preform () comprising a plurality of stacked layers while discretely welding and consolidating the wound preform by heating and applying pressure.