Lubricant for sewing machines

Details Lubricant for sewing machines Lubricant for sewing machines

2006-09-14

2010-10-26

Caldarola, Glenn (Department: 1797)

Solid anti-friction devices, materials therefor, lubricant or se

Lubricants or separants for moving solid surfaces and...

Organic -co- compound

C112S256000

Reexamination Certificate

active

07820606

ABSTRACT:
A lubricant for sewing machines to be supplied to lubricate a movable part of a sewing machine is formed by using, as main components, a plurality of kinds of synthetic esters combined to have consistency within a range of grade 2 to grade 000 (defined by the NLGI (National Lubricating Grease Institute)) under a temperature of 25° C., and a melting point within a range of 70° C. to 150° C.

REFERENCES:
patent: 3928214 (1975-12-01), Naka et al.
patent: 5076339 (1991-12-01), Smith
patent: 6656888 (2003-12-01), Zehler
patent: 1598116 (2005-03-01), None
patent: 2004-155864 (2004-06-01), None
Chinese Office Action mailed Jun. 2, 2010 for the corresponding Chinese Patent Application No. 200610141534.1.

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