| 摘要 |
PCT No. PCT/GB93/00563 Sec. 371 Date Jan. 11, 1995 Sec. 102(e) Date Jan. 11, 1995 PCT Filed Mar. 19, 1993 PCT Pub. No. WO93/20483 PCT Pub. Date Oct. 14, 1993.An oil supply device for supplying oil to a roll of an image reproduction machine, which includes an oil reservoir formed of an open-cell melamine foam; and a layer of oil permeation control material extending over the reservoir for controlling supply of oil from the reservoir to the roll. The oil permeation control material being formed of porous PTFE produced by fusing particles of grannular PTFE such as to form a porous integral network of interconnected particles. |
