Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1987-03-17
1988-10-18
Echols, P. W.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
291576, 60323, 123 52M, 2281733, B21O 5384
Patent
active
047777087
ABSTRACT:
A process is provided for manufacturing an exhaust manifold. The manifold comprises at least one stamp formed inlet flange, a stamp formed sheet metal inner shell and a stamp formed sheet metal outer shell. The inner shell and outer shell are configured to define an exhaust chamber therebetween. Each inlet flange is stamp formed to define at least one exhaust port extending entirely therethrough, with each exhaust port including a stamp formed projection extending continuously thereabout from one surface of the inlet flange. The inner shell is stamp formed to define an inlet aperture for each exhaust port. The inner shell is projection welded to the inlet flange such that the projections stamp formed therein define the weldments. The outer shell then is welded to the inner shell to define the exhaust chamber of the manifold. An outlet tube may be secured to an outlet aperture of the outer shell.
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"Stainless Manifold Gains Momentum" published in Muffler Digest of Aug. 1979, pp. 30, 31.
Harwood Jon
Kohler Donald
AP Industries, Inc.
Casella Anthony J.
Echols P. W.
Hespos Gerald E.
Rawlins Andrew E.
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