WOOD MOLD FRAME GIRDER AND PRODUCTION THEREOF

Title:

WOOD MOLD FRAME GIRDER AND PRODUCTION THEREOF

Document Type and Number:

Japanese Patent JPS5858369

Kind Code:

A

Abstract:

The wooden girder has an upper flange (1), a lower flange (2) and a flat solid web (3) linking these two flanges by a plurality of tongues (4) engaging in said flanges and bonded over the entire length of said girder. The web (3) consists of plywood or of a plate of three wooden layers (8, 9, 10) bonded together, with the wood fibers of the outer layers (8, 9) running perpendicularly to the fibers of the centre layer (10). The flanges (1, 2) are in each case composed of at least three wooden layers (5, 6, 7) and the wood fibers of each adjacent pair of wooden layers are mutually inclined at an angle of about 10 to 15 DEG .

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Inventors:

ERUNSUTO ROTSUKU
YOZEFU UMUDATSUSHIYU

Application Number:

JP18676181A

Publication Date:

April 06, 1983

Filing Date:

November 20, 1981

Export Citation:

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Assignee:

OESTERR DOKA SCHALUNG

International Classes:

B27D1/04; E04C3/14; E04G11/06; E04G9/04; (IPC1-7): B27D1/04; E04G9/04; E04G11/06

Attorney, Agent or Firm:

Asamura Akira

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