公开(公告)号：RO116817B1

公开(公告)日：2001-06-29

申请号：RO9600972

申请日：1996-05-13

Applicant: TIMCAL AG

Inventor： PERIARD JACQUES ,  STAUB HANS RUDOLF

IPC: B21B45/02 ,  B21C23/32 ,  C10M103/00 ,  C10M113/02 ,  C10M113/12 ,  C10M113/14 ,  C10M119/20 ,  C10M125/02 ,  C10M125/24 ,  C10M125/26 ,  C10M125/28 ,  C10M145/10 ,  C10M145/40 ,  C10M169/04 ,  C10M173/02 ,  C10N10/02 ,  C10N20/00 ,  C10N20/06 ,  C10N40/24

Abstract: According to the invention, the lubricating composition comprises up to 80% glass powder and/or up to 50% glass frit where the ratio of at least one of them should not be of 0%, 10. ... 25% natural or synthetic graphite, 5 ... 20 % water soluble alkaline silicates having the general formula Me2OnSiO2 where Me represents lithium, potassium or sodium, and n is a number from 1 to 4, 1 ... 6% water soluble sodium polymetaphosphate, up to 3% water insoluble sodium polymetaphosphate. 0.5 ... 4% thickening agent, up to 1% borax and, eventually, 0.01 ... 0.6% usual biocide, percentage being expressed by weight.