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:
Apr. 13, 2010
Filed:
Feb. 12, 2007
Eberhard Kertscher, Yvonand, CH;
Eberhard Kertscher, Yvonand, CH;
The Thomas Machines S.A., Couvet, CH;
Abstract
The invention concerns an installation for manufacturing a drip irrigation pipe () formed of a pipe () provided with drippers (), including a dripper feed station (), followed by an extrusion station (), including an extrusion head () producing a tubular blank () and means for welding the drippers () to the inner wall of said blank (), characterized in that the dripper welding means () include a support surface () and a counter-support surface () between which the drippers () are pressed against said tubular blank () so as to be welded thereto, said support () and counter-support () surfaces being arranged upstream of the calibrating means ().