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. 12, 2023
Filed:
Jun. 20, 2018
Applicant:
Steer Engineering Private Limited, Bengaluru, IN;
Inventor:
Babu Padmanabhan, Bengaluru, IN;
Assignee:
STEER ENGINEERING PRIVATE LIMITED, Bengaluru, IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 48/405 (2019.01); B29C 48/00 (2019.01); B29C 48/09 (2019.01); B29C 48/285 (2019.01); C08L 27/06 (2006.01);
U.S. Cl.
CPC ...
B29C 48/405 (2019.02); B29C 48/022 (2019.02); B29C 48/09 (2019.02); B29C 48/288 (2019.02); C08L 27/06 (2013.01); B29C 2948/926 (2019.02); B29C 2948/92104 (2019.02); B29K 2827/06 (2013.01);
Abstract
A method for producing a fused unplasticised polyvinyl chloride (UPVC) article () is provided. The method includes feeding an UPVC blend () into a co-rotating twin-screw extruder (). The method further includes melting the UPVC blend () and conveying fused UPVC to an outlet () of the co-rotating twin-screw extruder (). The method also includes collecting the fused UPVC from the outlet () at a rate of at least 100 kilograms/hour per litre of free volume () of the co-rotating twin-screw extruder ().