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. 17, 2015
Filed:
Oct. 21, 2009
Applicant:
Alessandro Falzoni, Imola, IT;
Inventor:
Alessandro Falzoni, Imola, IT;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
B29C 45/14 (2006.01); B29C 57/00 (2006.01); B29C 45/00 (2006.01); B29C 53/84 (2006.01); B29C 53/02 (2006.01); B29L 31/56 (2006.01);
U.S. Cl.
CPC ...
B29C 57/00 (2013.01); B29C 45/0055 (2013.01); B29C 53/84 (2013.01); B29C 53/02 (2013.01); B29C 2045/0056 (2013.01); B29L 2031/565 (2013.01);
Abstract
A method for making products made of plastics comprises the steps of molding a piece made of polyethylene PE, or made of polypropylene PP, and mechanically folding in a guided manner a flap portion of the aforesaid piece at a folding temperature that is greater than ambient temperature ed less than the alpha-type intermediate physical transition temperature of the material. The method reduces the spring-back of the folded portion and the yield in the folding zone.