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:
Jun. 10, 1980
Filed:
Sep. 18, 1978
Applicant:
Inventor:
Philip K Loyer, Waynesville, NC (US);
Assignee:
Dayco Corporation, Dayton, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D / ; B29F / ;
U.S. Cl.
CPC ...
156 50 ; 29460 ; 295274 ; 156143 ; 15624412 ; 15624414 ; 264173 ; 264174 ; 264209 ;
Abstract
Method of producing a continuous flexible tubular conduit having a plurality of helically wound reinforcing-electrical wires is provided wherein the apparatus has means for forming a plurality of wires into a corresponding plurality of substantially identical continuous non-rotating helical coils without entanglement of such wires and an extruder head for extruding a polymeric tube around the coils with the coil turns coaxially aligned and alternately arranged to complete the tubular conduit.