Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With means applying wave energy or electrical energy...
Patent
1976-03-25
1980-09-23
Wityshyn, Michael G.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With means applying wave energy or electrical energy...
156497, 219121L, 331DIG1, B29C 2702, B29D 904
Patent
active
042240964
ABSTRACT:
Thermoplastic materials, particularly material in sheet form, may be sealed or thermowelded together using the energy from a single laser beam source by splitting the beam and directing it by mirrors to desired seal areas on the opposed sides of the materials to be sealed. The beam may be split in proportion to the thickness of the respective materials. Heating the opposed sides of materials to be sealed avoids the problem of overheating or burning the side to which energy is applied.
REFERENCES:
patent: 2705523 (1955-04-01), Hasselquist
patent: 3292503 (1966-12-01), Grubman et al.
patent: 3324570 (1967-06-01), Flaith et al.
patent: 3560291 (1971-02-01), Foglia et al.
patent: 3597578 (1971-08-01), Sullivan et al.
patent: 3835912 (1974-09-01), Kristensen et al.
Hardaway John B.
Lee, Jr. William D.
Toney John J.
W. R. Grace & Co.
Wityshyn Michael G.
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