B - Operations – Transporting – 26 – D
Patent
B - Operations, Transporting
26
D
164/52
B26D 3/16 (2006.01) B23Q 7/00 (2006.01) B26F 1/00 (2006.01)
Patent
CA 1184844
ABSTRACT OF THE DISCLOSURE A tile perforating unit wherein tile is continuously advanced through a frame by advancing means. Moveably mounted on the frame and directed toward the tile is at least one perforating tool. From an initial position, the tool extends and engages a point along the wall of the tile at which perfor- ation is desired. As the tool moves to maintain engagement with the advancing tile a harpoon is extended from the tool to perforate the tile wall. Once perforation is completed, the harpoon is withdrawn and the tool retracts and returns to the initial position for repeated perforation of the tile.
402339
Dickhut Heinrich
Lilienthal Alfred
Cullom Machine Tool & Die Inc.
Meredith & Finlayson
LandOfFree
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