Method of making laminar material having a base of bonded wood p

Details Method of making laminar material having a base of bonded wood p Method of making laminar material having a base of bonded wood p

1976-05-12

1977-08-30

Smith, Ronald H.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156277, 156583, 427359, 427361, 427362, 427366, 428318, B32B 3100, B05D 312

Patent

active

040452620

ABSTRACT:
A laminar board having a base of bonded wood particles carrying a decorat facing is produced by sequentially moving a carrier web through a loading zone and a press zone. The carrier web consists essentially of paper impregnated with a synthetic resin composition and having a permeability to water vapor of at least 1000 g/m.sup.2 /day. A layer of loose wood particles intimately mixed with a bonding agent is superimposed on the carrier web in the loading zone, and the resulting layered material is subjected in the press zone to a temperature and pressure sufficient to bond the loose particles to each other by the bonding agent in a dense structure and simultaneously to bond the particles to the carrier web by the bonding agent and/or the synthetic resin composition.

REFERENCES:
patent: 3078510 (1963-02-01), Rowe
patent: 3300361 (1967-01-01), Brown
patent: 3301726 (1967-01-01), Matsukata
patent: 3607489 (1971-09-01), Helgesson
patent: 3737351 (1973-06-01), Ettel
patent: 3874962 (1975-04-01), Gersbeck et al.
patent: 3905847 (1975-09-01), Black
patent: 3930110 (1975-12-01), Shoemaker et al.
patent: 3933558 (1976-01-01), Takahata et al.
patent: 3968308 (1976-07-01), Buschfeld et al.

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