Method of fabricating ceramic tile

Details Method of fabricating ceramic tile Method of fabricating ceramic tile

1992-11-25

1994-10-04

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

Including step of generating heat by friction

264 67, 264120, 264154, C04B 3334

Patent

active

053523962

ABSTRACT:
The object of the invention is to provide a ceramic tile which is rectangular in shape and has an opening near one of its ends. The corners have grooves, while at the other end, it is cut off to form a skirt. The tile is fabricated by means of moulding ceramic stoneware in two pressings. A step is created around the opening during the first pressing, which descends and runs peripherally all along the edge of the tile. The tile has grooves on its parallel sides which form the casing for the retention heads, from which the tiles hang when they are placed on the roof. The entire piece is shaped in the course of the second pressing which maintains the descending steps of the grooves and forms in a hidden side of the part an orthogonal striation which is above the step and the grooves, whose length defines the maximum and minimum overlapping of the tile. The outer side of the tile and the borders are glazed with a synterized enamel.

REFERENCES:
patent: 903300 (1908-11-01), Marvick
patent: 1737847 (1929-12-01), Hottinger
patent: 3210450 (1965-10-01), Bratton
patent: 3627861 (1971-12-01), Timke

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