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. 24, 2020
Filed:
May. 28, 2014
Applicant:
Windmöller & Hölscher KG, Lengerich, DE;
Inventors:
Assignee:
Windmöller & Hölscher KG, Lengerich, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 48/78 (2019.01); B29C 48/86 (2019.01); B29C 48/87 (2019.01); B29C 48/92 (2019.01); B29C 48/30 (2019.01); B29C 48/32 (2019.01); B29C 48/00 (2019.01); B29C 48/10 (2019.01); B29C 49/04 (2006.01); B29L 7/00 (2006.01);
U.S. Cl.
CPC ...
B29C 48/86 (2019.02); B29C 48/30 (2019.02); B29C 48/32 (2019.02); B29C 48/78 (2019.02); B29C 48/865 (2019.02); B29C 48/87 (2019.02); B29C 48/92 (2019.02); B29C 48/0018 (2019.02); B29C 48/10 (2019.02); B29C 49/04 (2013.01); B29C 2948/926 (2019.02); B29C 2948/92704 (2019.02); B29L 2007/008 (2013.01);
Abstract
The invention relates to a blown film extrusion device with a blow head and with an insulation, which comprises a heat resistance for thermal insulation of the blow head in relation to the outer ambient air, wherein the blown film extrusion device comprises elements for controlling the heat resistance.