Method for producing pulling rods for use in manufacturing...

Details Method for producing pulling rods for use in manufacturing... Method for producing pulling rods for use in manufacturing...

2007-10-23

2007-10-23

Omgba, Essama (Department: 3726)

Metal working

Method of mechanical manufacture

Roller making

C029S895220, C029S895213

Reexamination Certificate

active

11132547

ABSTRACT:
Pulling rolls (13) for glass ribbons (11) and methods for manufacturing such rolls are provided. The rolls include a shaft (17), a plurality of heat-resistant discs (15) mounted on the shaft in face-to-face contact, and a pair of fittings (25or25,31) affixed to the shaft which apply an axial compressive force to the discs. The magnitude of the axial compressive force is adjusted so that the portions (27) of the roll surface (33) which contact the glass ribbon during use have a Shore D hardness at room temperature of between 30 and 55. The rolls achieve a long service life without applying excessive force to the glass ribbon or generating high levels of particulate contamination.

REFERENCES:
patent: 3116053 (1963-12-01), Ericsson
patent: 3334010 (1967-08-01), Moore
patent: 3338696 (1967-08-01), Dockerty
patent: 3682609 (1972-08-01), Dockerty
patent: 3763533 (1973-10-01), Blom et al.
patent: 3853525 (1974-12-01), Gorman
patent: 4397673 (1983-08-01), Stevens
patent: 4533581 (1985-08-01), Asaumi et al.
patent: 4872247 (1989-10-01), Nakamura et al.
patent: 5205398 (1993-04-01), Hart et al.
patent: 5989170 (1999-11-01), Hart et al.
patent: 6896646 (2005-05-01), Kaiser et al.
patent: 2004/0192526 (2004-09-01), Nakayama et al.
patent: 2004/0220032 (2004-11-01), Nakayama et al.
patent: 195 04 044 (1995-09-01), None
patent: 1382443 (1975-01-01), None
English translation of DE 195 04 044 A (Reference 9 above).

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