Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1986-04-03
1987-04-21
Dawson, Robert A.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156 731, 156221, 156293, 156443, 220359, 264320, 425395, B32B 3120
Patent
active
046594051
ABSTRACT:
This relates to the forging of web-like portions of components so as to increase the density thereof and to shape the material for various purposes. In one form of the invention forging is utilized to form an upstanding sealing rib without a material orientation of the plastic which would result in distortion of the material should it be subjected to retorting. In another form of the invention forge tooling is utilized to provide an element with a hinge strip wherein the core material is compressed without an undue internal stressing of the core material. Most particularly, the tooling is heated to provide a softening of the skin surfaces of the material thereby permitting relative movement of the material which is being forged with respect to the tooling and thereby an internal compressing of the material without shear stresses being developed therein. This abstract is not to be considered as limiting the claims of the application.
REFERENCES:
patent: 4207989 (1980-06-01), Ingemann
patent: 4215797 (1980-08-01), Chen
Brown Charles E.
Continental Can Company Inc.
Dawson Robert A.
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