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. 06, 2022
Filed:
Apr. 24, 2019
Applicant:
Engel Austria Gmbh, Schwertberg, AT;
Inventor:
Clemens Kastner, Linz, AT;
Assignee:
ENGEL AUSTRIA GMBH, Schwertberg, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 44/34 (2006.01); B29C 44/60 (2006.01);
U.S. Cl.
CPC ...
B29C 44/3449 (2013.01); B29C 44/60 (2013.01); B29C 44/3446 (2013.01);
Abstract
A mixing device for producing a plastic melt loaded with propellant, from which a foamed plastic part is producible in a molding machine, includes a mixing chamber, at least one propellant inlet device for feeding propellant into the mixing chamber, an inlet channel for plastic melt, and an output channel for dispensing plastic melt loaded with propellant. A first gas-tight shutoff device is provided for closing the inlet channel, and a second gas-tight shutoff device is provided for closing the output channel.