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.:

US 7270531 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 18, 2007

Filed:

Nov. 14, 2003
Applicants:

Richard A. Proulx, Alta Loma, CA (US);

William P. Conley, Thousand Oaks, CA (US);

Rodger D. Thomason, Santa Monica, CA (US);

Inventors:

Richard A. Proulx, Alta Loma, CA (US);

William P. Conley, Thousand Oaks, CA (US);

Rodger D. Thomason, Santa Monica, CA (US);

Assignee:

Proulx Manufacturing, Inc., Rancho Cucamonga, CA (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 47/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An assembly for use in continuously forming a plurality of lengths of flexible noise attenuating cutting line for use in rotary vegetation trimmers. The assembly includes a breaker plate having a conically shaped inner portion and a planar outer portion. A plurality of extrusion dies are disposed in the outer portion wherein each die defines a die hold configuration at its lower end for the extrusion of one or more monofilament polymer strands therethrough, and a drive assembly is provided for rotating each of the dies at a predetermined speed such that upon directing a flow of molten monofilament polymer material onto the breaker plate, the material is directed from the inclined central portion onto the planar outer portion where it is extruded through the rotating dies to create a plurality of twisted strands of polymer material that upon cooling, stretching and heating, define lengths of flexible noise attenuating cutting line.


Find Patent Forward Citations

Proulx, Richard. (2007). Assembly for use in continuously forming one or more lengths of noise attenuating flexible cutting line for use in rotary vegetation trimmers (U.S. Patent No. 7270531). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7270531

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…