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:
Jun. 02, 1981
Filed:
Jan. 02, 1980
Applicant:
Inventor:
Gerd Reffelmann, Overath, DE;
Assignee:
Bayer Aktiengesellschaft, Bayerwerk, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B29D / ;
U.S. Cl.
CPC ...
264 51 ; 264338 ; 425 89 ; 425200 ; 4258 / ; 521917 ;
Abstract
The invention is directed to a method and device for the discontinuous production of block foam. The device has a mixing unit provided with component feed lines and a stirrer. The device is vertically movable on a bridgelike framework. The mixing unit has a bottomless cylindrical shell which serves as a mixing container. The bottomless cylindrical shell can be arranged on a head plate and can be placed on the bottom of a mold placed beneath it. On the bottom of the mold is a flexible elastic layer on top of which is arranged a plastic film.