Fiber reinforced plastic pipe tee

Details Fiber reinforced plastic pipe tee Fiber reinforced plastic pipe tee

1990-09-18

1992-04-28

Arola, Dave W.

Pipe joints or couplings

Connector for conduit housing electromagnetic line:

Having box and connector

285423, 156173, F16L 4100

Patent

active

051081350

ABSTRACT:
A fiber reinforced plastic pipe tee has a body with a principal structural layer of reinforcing fibers bonded by resin, preferably comprising interleaved layers of continuous fibers and a tape of short parallel fibers having ends embedded in the structural layer and lying approximately orthogonal to the continuous fibers. In triangular areas on each side of the tee where the run and branch meet, there is a row of long slender spikes embedded in the principal structural layer. The spikes extend normal to the mid-plane of the tee, and the tee is wound so that at least a portion of the fibers passing through the spaces between the spikes change direction in those spaces. Using the spikes for hooking the continuous fibers and tapes of short fibers enables coverage of the triangular area with adequate reinforcement without building up excess material in other portions of the tee.

REFERENCES:
patent: 2751237 (1956-06-01), Conley
patent: 2878038 (1959-03-01), Noland
patent: 3577294 (1971-05-01), David
patent: 3578532 (1971-05-01), Thaden
patent: 3765979 (1973-10-01), Thomas
patent: 4106797 (1978-08-01), Michael
patent: 4504086 (1985-03-01), Corrow
patent: 4506918 (1985-03-01), Friedrich et al.
patent: 4601496 (1986-07-01), Ulrich et al.
patent: 4601770 (1986-07-01), Ulrich et al.
patent: 4854990 (1989-08-01), David

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