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:
Nov. 17, 2020
Filed:
Jun. 08, 2016
M.a.e. S.p.a., Piacenza, IT;
Marco Rovellini, Piacenza, IT;
M.A.E. S.p.A., Piacenza, IT;
Abstract
A stretching apparatus of fibre tows in a pressurized steam environment comprises a plurality of stretching chests () and associated supporting structures () arranged side by side, at the same level, on a holding frame. The stretching chests () are each formed by two opposed metallic half-chests (), delimiting a stretching chamber (). The stretching chamber () has a generally rectangular section of a low height and opens outwards in correspondence of the two transversal edges of the stretching chest () through tow entry and exit openings. Inside the stretching chambers () the tows are treated with saturated or overheated steam at high temperature and pressure and simultaneously undergo a mechanical stretching operation.