Radius tongue and groove profile

Details Radius tongue and groove profile Radius tongue and groove profile

1998-11-19

2000-08-08

Canfield, Robert

Static structures (e.g., buildings)

Module or panel having discrete edgewise or face-to-face...

Having integral key

525924, 525891, 52539, 52390, 403334, 403381, 403345, E04B 138, E04F 1504

Patent

active

060983655

ABSTRACT:
A tongue and groove profile for a construction panel wherein the tongue protrudes and extends outwardly from a first edge of the panel and has a chamfered head. The head expands from the chamfered edge to a neck and merges into a shoulder portion. The shoulder portion of the tongue has two radiused convex sides which intersect and merge with the first edge of the panel. A groove is formed in a second edge of the panel and extends inwardly into the second edge forming a cavity. The groove has a chamfered head which expands into a neck which then expands into a wider shoulder portion which has two radiused concave sides which expand outwardly to form an opening in the second edge of a panel. The tongue of one construction panel can fit in interlocking relationship into a groove of a second panel to form a joint between the two panels.

REFERENCES:
patent: 643552 (1900-02-01), Squires
patent: 2267330 (1941-12-01), Goss
patent: 2823433 (1958-02-01), Kendall
patent: 2839790 (1958-06-01), Collings
patent: 4695502 (1987-09-01), Rush
patent: 4807416 (1989-02-01), Parasin
patent: 5165816 (1992-11-01), Parasin

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