Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Chamber enclosing work during bonding and/or assembly
Patent
1979-09-06
1981-06-16
Weston, Caleb
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
Chamber enclosing work during bonding and/or assembly
100 93P, 100211, 100296, 156285, 156498, 1565833, 1565834, B29C 1700
Patent
active
042736048
ABSTRACT:
Apparatus for bonding heat bondable materials through the application of pressure and heat employs a diaphragm pressed by fluid pressure against the materials. The diaphragm comprises a web having a flexible heating element which is bonded to its non-material pressing side and has a configuration corresponding to the desired seam configuration. The web carries heat dissipating means to conduct heat away from the diaphragm and the materials in the seam configuration and heat directing means to conduct heat from the element to the seam area. Preferably the heating element, heat directing means and heat conducting means are formed from metallic foil bonded to both sides of the web and having portions etched away to provide electrically insulating channels separating one from another.
REFERENCES:
patent: 2698273 (1954-12-01), Miner et al.
patent: 3480505 (1969-11-01), Donnell et al.
Hulbert William R.
Weston Caleb
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