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. 03, 2023
Filed:
Dec. 20, 2018
Ems-patent Ag, Domat/Ems, CH;
Heinz Caviezel, Masein, CH;
Georg Stöppelmann, Bonaduz, CH;
EMS-PATENT AG, Domat/Ems, CH;
Abstract
A multi-layer composite in the form of a hollow body enclosing an interior space () is proposed, consisting of three or four layers: an inner layer () adjoining the interior space (), a middle layer () adjoining the latter and an outer layer () adjoining the middle layer () and closing the multi-layer composite () to the outside. If necessary, there is a further innermost layer () which directly adjoins the said inner layer () and is equipped with a conductive finish. The inner layer () is based on polyamide 6, the middle layer () is based on EVOH, and the outer layer () is based on a mixture of (A) polyamide 6 and (B) at least one other polyamide selected from the following group: polyamide 612, polyamide 614, polyamide 616 and polyamide 618.