Expansion joint and spheres therefor

Details Expansion joint and spheres therefor Expansion joint and spheres therefor

1989-09-25

1994-06-07

Ridgill, Jr., James L.

Static structures (e.g., buildings)

Sectioned imperforate facing within perpheral frame; e.g.,...

Intersecting separators within frame

526564, 526567, E04C 238, E06B 370

Patent

active

053178530

ABSTRACT:
An expansion joint for doors of cabinets or for entry doors having a central panel or the like encompassed by a surrounding frame employs small plastic or rubber balls of limited compressibility or hardness dimensioned to tightly fit into tongue and groove joints between panel and frame to accommodate expansion of frame and panel to protect corner glue joints from cracking or contracting.

REFERENCES:
patent: 395566 (1888-07-01), Merriman
patent: 498344 (1893-05-01), Williams
patent: 619676 (1899-02-01), Cronin
patent: 2083409 (1937-06-01), Stevens
patent: 3512304 (1970-05-01), Meuret
patent: 3987599 (1976-10-01), Hines
patent: 4741136 (1988-05-01), Thompson

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