Coupling structure and method and apparatus for its manufacture

Details Coupling structure and method and apparatus for its manufacture Coupling structure and method and apparatus for its manufacture

1983-07-11

1985-04-09

Silbaugh, Jan

Plastic article or earthenware shaping or treating: apparatus

Female mold and means to shape parison directly by internal...

Including means to prepare parison

264508, 264564, 285 3, 285423, 425539, 425325, 4253261, 425336, B29C 1707, B29D 2303

Patent

active

045099111

ABSTRACT:
A plurality of internal couplers (A, B, C, D) are integrally connected end to end in a single tubing construction of indeterminant length. Between each coupler is an annular, frangible region (14, 24) of thin plastic. In the field, the individual couplers are readily broken manually from the tubing construction. Each coupler includes a plurality of cleats (40) which are partially surrounded by a region (50) of relatively thin plastic material. The couplers are manufactured by continuously blow molding a sleeve of softened plastic into the tubing construction of indeterminent length.

REFERENCES:
patent: 3793421 (1974-02-01), Paubandt
patent: 3859025 (1975-01-01), Maroschak
patent: 3891733 (1975-06-01), Maroschak
patent: 3919367 (1975-11-01), Maroschak
patent: 3929359 (1975-12-01), Schmunk
patent: 4003685 (1977-01-01), Maroschak
patent: 4247136 (1981-01-01), Fouss et al.

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