Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1983-12-19
1986-09-02
Olszewski, Robert P.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51100R, 51283E, 51238R, 144144R, 144372, 409138, B24B 908
Patent
active
046087834
ABSTRACT:
The invention is concerned with a feeler unit for positioning sheet glass processing tools, which comprises a frame carrying at least one feeler roller piloting a tool holder head positioning motor, and a back-up roller engageable with the underside of a sheet glass edge being processed and rotatable about an axis which extends substantially parallel to the plane containing the glass sheet and substantially perpendicular to the edge being processed.
A peculiar aspect of the invention is that a controlled movement of the back-up roller to and/or from the glass sheet, as well as controllable displacing of the back-up roller along a direction which is substantially parallel to a tangential direction to the glass sheet edge and perpendicular to the axis of the feeler roller are effected to vary the mutual position relationship between the feeler roller and back-up roller.
REFERENCES:
patent: 2015720 (1935-10-01), Louviaux
patent: 2465528 (1949-03-01), Goodwin
patent: 2578789 (1951-12-01), Donnelly
patent: 3187467 (1965-06-01), Cortesi
patent: 3191500 (1965-06-01), Schuster
patent: 3827189 (1974-08-01), Highberg et al.
patent: 3922951 (1975-12-01), Linsinger
patent: 4412401 (1983-11-01), Fundell
Josif Albert
Modiano Guido
Olszewski Robert P.
Z. Bavelloni S.p.A.
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