Lumber assembly machine

Details Lumber assembly machine Lumber assembly machine

1984-04-06

1985-02-19

Kimlin, Edward

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With means applying wave energy or electrical energy...

1563802, 1563796, 156381, 1563045, 156556, 156558, 156567, 156580, 1565831, 198404, 100 93P, 100193, B32B 1902, B32B 3100, B31F 500, B65H 2900

Patent

active

045003858

ABSTRACT:
Apparatus for producing finger jointed lumber from random length boards is disclosed. Adhesive applied to the union of two boards of lumber mated end-to-end in a finger joint union is cured in a rotary bonding assembly including a stator and a rotor. Mounted on the stator assembly are a plurality of electrode plates disposed at equally spaced locations around the stator opening thereby defining a plurality of curing stations. The rotor assembly is mounted for rotation within the stator assembly and includes a plurality of electrode plates disposed at equally spaced locations and in axial alignment with the stator electrode plates. The electrode plates are adapted to conduct radio frequency current through the finger joint union of boards confined between the rotor and stator electrode plates at each curing station.

REFERENCES:
patent: 2344488 (1944-03-01), Bowling
patent: 2836281 (1958-05-01), Lookson
patent: 3771438 (1973-11-01), Radakovich
patent: 3943025 (1976-03-01), Russell
patent: 3985169 (1976-10-01), Chow

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