Laminated floor manufacturing method

Details Laminated floor manufacturing method Laminated floor manufacturing method

1974-03-15

1976-01-20

Whitby, Edward G.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156166, 156216, 156210, 156250, 156324, 264 465, 264261, 428 71, 428117, 428189, 428310, B32B 518

Patent

active

039335496

ABSTRACT:
A method of manufacturing foam filled laminated planks which includes continuous means for forming and feeding a longitudinally corrugated plastic reinforcing core between, and bonding it to, top and bottom cover sheet laminae consisting of roll-fed strips of resin-impregnated fabric. The corrugations of the core define channels extending lengthwise through the assembly consisting of the core and cover sheets, and lengths are cut off and fed laterally therefrom to a position wherein each channel is aligned with an elongated lance, and then fed longitudinally into overfitted relation on the lances. The outer ends of the channels are closed, and foaming plastic is fed into the channels through the lances. The planks are then moved off of the lances toward a desired delivery position.

REFERENCES:
patent: 1592824 (1926-07-01), Fairchild
patent: 3090078 (1963-05-01), Ackles
patent: 3242240 (1966-03-01), Tantlinger
patent: 3666590 (1972-05-01), Susuki et al.
patent: 3791912 (1974-02-01), Allard
patent: 3792141 (1974-02-01), Offutt

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