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:
Feb. 16, 2016
Filed:
Oct. 19, 2012
Basf SE, Ludwigshafen, DE;
Carsten Ellersiek, Lengerich, DE;
BASF SE, Ludwigshafen, DE;
Abstract
The present invention relates to a process for producing insulated pipes, which comprises the steps (A) provision of pipe for a medium and outer pipe, where the pipe for a medium is arranged within the outer pipe and an annular gap having ends Eand Eis formed between the pipe for a medium and outer pipe, (B) introduction of a polyurethane system comprising at least one isocyanate component (a) and at least one polyol mixture (b) into the annular gap at the end Eand (C) foaming and curing of the polyurethane system, wherein the annular gap is closed by means of a cap at the end Eand this cap has openings having an adjustable size, a cap which has openings having an adjustable size, the use of this cap for producing insulated pipes and also an insulated pipe which can be produced by the above-described process of the invention.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile