Machine for and method of making tubular conduit of indefinite l

Details Machine for and method of making tubular conduit of indefinite l Machine for and method of making tubular conduit of indefinite l

1978-10-02

1979-11-20

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156195, 156429, 156446, B65H 8100

Patent

active

041749847

ABSTRACT:
A machine and method are provided employing an elongate mandrel supported at one end and unsupported at its opposite end and apparatus carried by the mandrel and being movable therealong between the opposite ends with the apparatus supporting material wound thereon to define a length of the tubular conduit and moving out of supporting relation once the conduit moves axially beyond the opposite end, and the mandrel comprises a fixed helical structure supported concentrically around a central part which is rotatable therewithin and with the helical structure defining a helical groove along the mandrel with a plurality of members defining the apparatus and being operatively connected to the central part and movable within the groove upon rotation of the central part with the members supporting material helically wound thereon and moving out of supporting relation by falling within the length of conduit at the opposite end.

REFERENCES:
patent: 2731070 (1956-01-01), Meissner
patent: 3144072 (1964-08-01), Karbowink
patent: 3155559 (1964-11-01), Hall
patent: 3533883 (1970-10-01), Gartaganis
patent: 3548724 (1978-12-01), Hall
patent: 3914151 (1975-10-01), Poulsen
patent: 3979250 (1976-09-01), Drostholm

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