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:
Oct. 09, 1984
Filed:
Aug. 05, 1982
Hans Brinkmann, Troisdorf, DE;
Horst Pabst, St. Augustin-Hangelar, DE;
Dynamit Nobel Aktiengesellschaft, Troisdorf, DE;
Abstract
A slot die apparatus for the coextrusion of an endless sheet having a thickness of about 0.1-5 mm with an optionally dyed edge strip made from a narrower, optionally colored, melt stream of a width of about 100-500 mm and from a broader melt stream of a width of about 1,000-3,000 mm of a thermoplastic synthetic resin is provided by means of two parallel-operating extruders and associated melt pumps, with merging of the two melt streams. The apparatus is also provided by flanging together, by means of a flange, two dies at their end faces, these dies having identical cross sections and a corresponding width, comprising a spreader block, deckle, bottom lip, and top lip, and a flow channel made up from these components.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile