Wood tubing

Details Wood tubing Wood tubing

1994-11-03

1996-11-19

Robinson, Ellis

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428 356, 428 57, 428106, 428114, 428192, 138141, 138155, 138156, 144346, B32B 320, F16L 917

Patent

active

055760821

ABSTRACT:
A wooden tube made up of tubular layers of wood veneer and the method of making it in which the various tubular layers are made from flat sheets of wood veneer having the grain in one layer extending longitudinally and the grain in an adjacent layer extending circumferentially of the tube so that the grain in adjacent layers extend transversely of each other with all joints extending in the direction of the wood grain being edge to edge butt joints and all joints extending transversely to the wood grain being interlocking finger joints and with adjoining tubular layers being bonded to each other to form a unitary tube.

REFERENCES:
patent: 1921164 (1933-08-01), Lewis
patent: 2207939 (1940-07-01), Nordby
patent: 2540482 (1951-02-01), Henrey
patent: 3956542 (1976-05-01), Roberti
patent: 3970497 (1976-07-01), Glover et al.
patent: 4569873 (1986-02-01), Robbins
patent: 5277953 (1994-01-01), Tsuda

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