Hot wire tongue and groove cutting apparatus

Details Hot wire tongue and groove cutting apparatus Hot wire tongue and groove cutting apparatus

1979-03-22

1980-09-09

Yost, Frank T.

Cutting

Other than completely through work thickness or through work...

Edge trimming

83171, 83874, 83875, B26F 312

Patent

active

042211484

ABSTRACT:
A machine for cutting grooves in foam workpieces includes a plurality of vertically spaced U-shaped cutting wires mounted on pairs of mounting posts. One leg of each U-shaped wire is mounted on one post, while the other leg is mounted on the other post. The posts are mounted on a frame so as to be adjustable in spacing and vertical position with respect to each other, so the widths of the grooves can thereby be adjusted. Horizontal slice-cutting wires are provided behind the groove-cutting wires so that grooves and slices can be cut simultaneously. The slice-cutting wires are aligned at an angle with the vertical so that each slice-cutting wire exits the workpiece before all those beneath it. One version produces tongue-and-groove sheet, while ship-lap sheets are produced by the other version.

REFERENCES:
patent: 127270 (1872-05-01), Robinson
patent: 1955395 (1934-04-01), Tueth
patent: 2157151 (1939-05-01), Stackhouse
patent: 3300253 (1967-01-01), Hylak
patent: 3788178 (1974-01-01), Pantel
patent: 3916147 (1975-10-01), Mercer
patent: 3921480 (1975-11-01), Ball
patent: 3924495 (1975-12-01), DerMarderosian
patent: 4018116 (1977-04-01), Treffner et al.

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