Severing by tearing or breaking – Breaking or tearing apparatus – Combined with preliminary weakener or with nonbreaking cutter
Patent
1997-03-21
1999-07-20
Rachuba, M.
Severing by tearing or breaking
Breaking or tearing apparatus
Combined with preliminary weakener or with nonbreaking cutter
3016495, 83575, 83614, 83879, 83886, B26F 300, B26D 308
Patent
active
059246189
ABSTRACT:
A magnetic device (22, 222 or 322) for scoring glass (150) and a method for using the device to score glass. The system (100) for use with the device includes a scoring board (12), a scoring guide (18 or 218) and the device. The scoring guide has a smooth, flat outer surface (18E or 218C) and is constructed of either a magnetic or magnetically attractable material. The device includes a body (24 or 325) and a blade unit (26). The body has a smooth flat end and is preferably magnetic. Alternately, the flat end is constructed of a magnetically attractable material. To score glass, the glass sheet is placed on the scoring board and the guide is mounted on the board over the glass. The guide is mounted adjacent and parallel to the line to be scored on the glass. The flat smooth end of the device is mounted on the flat smooth outer surface of the guide so that the blade (26B) of the blade unit is aligned with the line to be scored. The user then exerts a downward pressure on the device and moves the device along the guide.
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McLeod Ian C.
Moyne Mary M.
Pryor Sean
Rachuba M.
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