Edge finished resilient tile, method and apparatus

Details Edge finished resilient tile, method and apparatus Edge finished resilient tile, method and apparatus

1989-06-22

1991-03-05

Bishop, Steven C.

Gear cutting, milling, or planing

Milling

Process

52390, 83419, 834352, 83869, 144117B, 144134R, 409138, 409218, 1988361, B23C 312

Patent

active

049973231

ABSTRACT:
Resilient tile within 0.005 inches of square and having sides within 0.005 inches of each other may be produced by positioning unfinished tile on a continuous belt. One edge adjacent the trailing edge of each tile is made to contact a stop means while the trailing edge is made to contact two independently adjustable dogs on the continuous belt. The tile is held down by hold-down rollers while the tile is so positioned. The two edges adjacent the trailing edge are edge finished, preferably by two cylindrical shaper routers. The tile is then positioned on a second continuous belt with one of the finished edges becoming the trailing edge and the remaining two edges being edge finished.

REFERENCES:
patent: 2730144 (1956-01-01), Joa
patent: 3182560 (1965-05-01), Wonder et al.
patent: 3927706 (1975-12-01), Davey
VPI Product Bulletin MK-2020-0983R entitled "VPI Conductile.RTM. Static-conductive vinyl flooring", Vinyl Plastics, Inc., Sheboygan, Wis. (1983).
ASTM Standard F540-79 (Reapproved 1985), American Society for Testing and Materials, Philadelphia, Pa.

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