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:
Jan. 21, 2025
Filed:
Aug. 20, 2021
Applicant:
Windmöller & Hölscher KG, Lengerich/Westf., DE;
Inventors:
Assignee:
Windmöller & Hölscher KG, Lengerich/Westf., DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 48/10 (2019.01); B29C 48/00 (2019.01); B29C 48/32 (2019.01); B29C 48/35 (2019.01); B29C 48/88 (2019.01); B29C 48/91 (2019.01);
U.S. Cl.
CPC ...
B29C 48/0018 (2019.02); B29C 48/10 (2019.02); B29C 48/32 (2019.02); B29C 48/35 (2019.02); B29C 48/9105 (2019.02); B29C 48/913 (2019.02); B29C 2945/76464 (2013.01);
Abstract
The invention relates to an apparatus for producing tubular films stretched in-line by blow molding with an extruder, a film blowing line, a lay-flat unit, an oscillating haul-off unit, and a stretching line for monoaxially stretching the film laid flat in machine direction. According to the invention, the stretching line is arranged above the extruder between the lay-flat unit and the oscillating haul-off unit.