Manifold

Details Manifold Manifold

1985-05-01

1986-12-23

Kittle, J. E.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428137, 428138, 285174, 285219, 285239, 285289, 285330, 285390, 403 21, 403118, 403199, 403401, 279 99, F16I 1500

Patent

active

046312129

ABSTRACT:
A manifold formed of a plastic main body member and a plurality of tubular metal inserts. The metal inserts are received in bosses formed at longitudinally spaced locations along the plastic main body member and provide communication therethrough with the interior of the main body member. Each insert includes a wrenching portion at its inner end which coacts with the adjacent material of the plastic member to preclude turning of the insert in the respective boss upon torquing of a threaded member into the insert and each insert further includes an annular groove adjacent the wrenching portion to preclude axial movement of the insert within the boss. A method of forming the manifold is also disclosed in which the inserts are respectively positioned on a plurality of longitudinally spaced upstanding pins on a lower mold half to locate the inserts within the mold during the molding process. The inner ends of the inserts are provided with a camming surface which engages the leading end of the mandrel of the mold apparatus as the mandrel is inserted into the mold apparatus to push successive inserts outwardly into firm seating engagement with the outer surface of the mold.

REFERENCES:
patent: 3847418 (1974-11-01), Semprevivo et al.
patent: 4130138 (1978-12-01), Swanstrom

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