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:
Jul. 07, 2020
Filed:
Nov. 30, 2010
Applicants:
Uwe Koehn, Osnabrueck, DE;
Andreas Staat, Lienen, DE;
Roger Bannister, Crossett, AR (US);
Inventors:
Assignee:
WINDMOELLER & HOELSCHER KG, Lengerich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B31B 70/26 (2017.01); B29C 65/00 (2006.01); B29C 65/10 (2006.01); B31B 70/36 (2017.01); B31B 70/64 (2017.01);
U.S. Cl.
CPC ...
B29C 66/83413 (2013.01); B29C 65/103 (2013.01); B29C 66/1352 (2013.01); B29C 66/43121 (2013.01); B29C 66/73711 (2013.01); B29C 66/81465 (2013.01); B29C 66/71 (2013.01); B29C 66/73921 (2013.01); B31B 70/262 (2017.08); B31B 70/36 (2017.08); B31B 70/644 (2017.08);
Abstract
A pinched sack, which is made at least partially from a plastic material in the form of a tube section, has at least one pinched bottom at one end of the tube section. At least some of the plastic material is stretched, and at least one pinched bottom is provided by a thermally induced bonding process.