Vacuum bag used in making laminated products

Details Vacuum bag used in making laminated products Vacuum bag used in making laminated products

1976-10-18

1981-09-01

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Chamber enclosing work during bonding and/or assembly

156285, B32B 3120

Patent

active

042870151

ABSTRACT:
A vacuum bag is established by affixing a raised ribbing inside the boundaries of a solid surface. The raised ribbing forms a closed configuration such as a rectangle or circle. A stretchable material is pulled tautly over the surface and across the raised ribbing. At points along the surface outside the raised ribbing the stretchable material is removably affixed to the surface by re-usable fasteners such as zippers, clamps or Velcro. The air-tight seal is formed between the stretchable material and the raised ribbing well removed from the point of affixing the stretchable material to the solid surface.

REFERENCES:
patent: 2837453 (1958-06-01), Englehart et al.
patent: 2996416 (1961-08-01), Boicey et al.
patent: 3009235 (1961-11-01), Mestral
patent: 3553054 (1971-01-01), Maus
patent: 3575756 (1971-04-01), Maus
patent: 3861977 (1975-01-01), Wiley
patent: 3912542 (1975-10-01), Hirano et al.

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