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:
Sep. 09, 2025
Filed:
Nov. 09, 2021
Applicant:
Gaplast Gmbh, Altenau, DE;
Inventors:
Assignee:
Gaplast GmbH, Altenau, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 49/22 (2006.01); B29C 49/02 (2006.01); B29C 49/04 (2006.01); B29C 49/42 (2006.01); B29K 101/12 (2006.01); B29L 31/00 (2006.01);
U.S. Cl.
CPC ...
B29C 49/22 (2013.01); B29C 49/02 (2013.01); B29C 49/04 (2013.01); B29C 49/42 (2013.01); B29C 2949/3088 (2022.05); B29K 2101/12 (2013.01); B29L 2031/712 (2013.01);
Abstract
A method of manufacturing containers consisting of a substantially stiff outer container and a readily deformable inner bag of first and second thermoplastic plastic materials, where the inner bag is detached from the wall of the outer container, includes the step of the excess material is supplied again to the first screw conveyor, which mixes the excess material with the first thermoplastic plastic material and supplies it to the extruder nozzle, wherein the first thermoplastic plastic material has a lower viscosity in the molten state than the excess material so that the outer layer of the extruded tube consists only of the first thermoplastic plastic material.