Apparatus for producing a continuous flexible reinforced tubular

Details Apparatus for producing a continuous flexible reinforced tubular Apparatus for producing a continuous flexible reinforced tubular

1975-09-29

1977-04-12

Shore, Ronald J.

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

And means to form or reshape preform

425114, 425302R, 425DIG201, B29F 310

Patent

active

040172325

ABSTRACT:
Apparatus for producing a continuous flexible reinforced tubular conduit is provided and utilizes a plurality of elongated rigid mandrels each having a non-yielding outside surface and such mandrels are moved continuously through a fabrication area while operatively associated in aligned end-to-end relation where at least one wire is formed around the mandrels in a continuous non-rotating helical coil. An extruder head is provided and extrudes a plastic tube around the coil which is urged and bonded thereagainst to define a conduit whereupon the conduit is subsequently separated from its associated mandrel.

REFERENCES:
patent: 2822571 (1958-02-01), Johnson
patent: 3459621 (1969-08-01), Kamenyarzh et al.
patent: 3513228 (1970-05-01), Miyauchi et al.
patent: 3526692 (1970-09-01), Onaka
patent: 3591896 (1971-07-01), Tartaglia
patent: 3765811 (1973-10-01), Sawada

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