发明名称 |
Antichafing strip for shaving equipment head and shaving equipment head comprising same |
摘要 |
The anti-friction strip of the invention for a discardable razor is obtained by extruding a polymer mixture comprising an insoluble polymer material and polyethylene oxide. It has an initial coefficient of dynamic friction (KD) of the order of or less than 0.2. The mixture for extrusion includes, as its polyethylene oxide, only a substance whose mean molecular weight is greater than 3.5 million. The strip is preferably obtained by extruding a mixture comprising polystyrene and polyethylene oxide having a mean molecular weight greater than 4 million, and in particular a single polyethylene oxide having a molecular weight greater than 7 million. The invention also provides a shaving head having the above-specified anti-friction strip fixed thereto by ultrasonic welding.
|
申请公布号 |
US6405438(B1) |
申请公布日期 |
2002.06.18 |
申请号 |
US20000529337 |
申请日期 |
2000.06.28 |
申请人 |
SOCIETE BIC |
发明人 |
DUEZ JOS&EACUTE,;REBAUDIERES JEAN |
分类号 |
B26B21/44;C08J5/00;(IPC1-7):B26B21/44 |
主分类号 |
B26B21/44 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|