Apparatus for securing thermoplastics material to blocks

Details Apparatus for securing thermoplastics material to blocks Apparatus for securing thermoplastics material to blocks

1977-10-27

1979-10-30

Wityshyn, Michael G.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Automatic and/or material-triggered control

156382, 156475, 156497, 156500, 156522, 156566, B29C 1704, B32B 3130

Patent

active

041727525

ABSTRACT:
An apparatus for continuously securing thermoplastic material to the surface of individual blocks includes a conveyor having a plurality of receptacles, one for each block, a supply of heated thermoplastic material located to cover the surface of the blocks extending from the receptacles on the conveyor and a vacuum source for exposing the interior of each of the receptacles, when covered with the thermoplastic sheet material to subatmospheric pressure.

REFERENCES:
patent: 941792 (1909-11-01), Meeker
patent: 3660214 (1972-05-01), Nichols, Jr. et al.
patent: 3684614 (1972-08-01), Lemelson
patent: 3697369 (1972-10-01), Amberg et al.

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