Plastic pipe fittings

Details Plastic pipe fittings Plastic pipe fittings

1996-02-21

1998-07-07

Arola, Dave W.

Pipe joints or couplings

With assembly means or feature

Molded joint facilitator

2851335, 285179, 285423, 29890149, 29890148, F16L 2700

Patent

active

057757364

ABSTRACT:
A reinforced plastic pipe fitting is made by using interference fit techniques to apply an outer pipe over a straight section of inner pipe. Appropriate sections of the outer pipe are then cutout. After arranging the fitting to the desired shape, faces of the cutout section are butt-fused together to form a fitting having a reinforcing layer over the shaped inner pipe.

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patent: 5108135 (1992-04-01), Mercado
patent: 5255943 (1993-10-01), Keller et al.
patent: 5411300 (1995-05-01), Mitsui

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