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:
Aug. 08, 1978
Filed:
Nov. 16, 1976
Applicant:
Inventor:
Arnoldus W Leloux, Dedemsvaart, NL;
Assignee:
Wavin B.V., Zwolle, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B26F / ;
U.S. Cl.
CPC ...
83327 ; 83 54 ; 83622 ; 83660 ;
Abstract
A method for manufacturing perforated plastic pipes, in particular corrugated thermoplastic pipes of which the wave valleys are perforated by at least one punching member, to which a velocity is imparted in the direction of conveyance of the plastic pipes, which equals the rate of conveyance of these pipes. During the punching operation the punching member or members retain substantially a perpendicular position with respect to the plastic pipes.
Leloux, Arnoldus. (1978). Device for manufacturing perforated plastic pipes (U.S. Patent No. 4104942). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4104942
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile