Stone working – Sawing – Rotary
Patent
1998-12-02
2000-10-10
Eley, Timothy V.
Stone working
Sawing
Rotary
451546, 451542, B28D 104
Patent
active
061290777
ABSTRACT:
The present invention relates to a cutting tool and to the method for manufacture thereof. Structurally, the cutting tool (1) in question is provided with an abrasive peripheral surface (2) arranged on the outside of a rigid central core (3) made of a high-rigidity composite material (carbon fibers, glass fibers, synthetic material fibers, carbon fibers bonded with high molecular-weight polymer filaments, carbon fibers bonded with kevlar fibers, sintered carbon) designed to ensure the rigidity of the cutting tool (1) and limit the transmission and amplification of sound waves across the central core (3). The abrasive peripheral surface (2) is preferably formed on a cutting element (5) fixed to an external support (6) rigidly connected to the central core (3) by means of fixing means (7). The method for manufacture of the cutting tool (1) in question substantially comprises the following processing steps:--formation of the abrasive peripheral surface (2) on the cutting element (5) fixed to the external support (6); seating of the fixing means on the external support (6); formation of the central core (3) using a high-rigidity composite material.
REFERENCES:
patent: 4718398 (1988-01-01), Hallez
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patent: 5408983 (1995-04-01), Sawluk
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patent: 5537987 (1996-07-01), Okawauchi
patent: 5697359 (1997-12-01), Okanishi et al.
patent: 5876274 (1999-03-01), Hariu
Eley Timothy V.
Nguyen Dung Van
Tecno Sinter S.r.l.
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