公开(公告)号：US5776395A

公开(公告)日：1998-07-07

申请号：US754774

申请日：1996-11-21

申请人： Yoshinori Fujiwara ,  Takeshi Noda ,  Yuichi Shigechika ,  Toshiharu Taniguchi ,  Arata Tani

发明人： Yoshinori Fujiwara ,  Takeshi Noda ,  Yuichi Shigechika ,  Toshiharu Taniguchi ,  Arata Tani

IPC分类号： B29C43/22 ,  B29C67/24 ,  G03G21/00 ,  B29C43/08

CPC分类号： G03G21/0017 ,  B29C43/22 ,  B29C67/246 ,  B29K2075/00

摘要： This details a production method for a blade for electrophotographic devices, made of thermosetting type polyurethane, including the steps of mixing and stirring the liquid polyurethane prepolymer which is a raw material component for a thermosetting type polyurethane polymer and the liquid crosslinking agent, discharging the mixture thereof into a die having a concave cross section in a molding drum, heating it via an endless belt which is in contact with the outer peripheral face of the molding drum and runs with the rotation of the drum 20 to continuously mold a banded blade molding S having a prescribed width, and cutting the blade molding to a prescribed length after cooling it down.

摘要翻译： 详细说明了由热固性型聚氨酯制成的电子照相装置用刀片的制造方法，包括混合搅拌作为热固性型聚氨酯聚合物的原料成分的液体聚氨酯预聚物和液体交联剂，排出混合物 在模制滚筒中具有凹形横截面的模具中，通过与成型滚筒的外周面接触的环形带进行加热，并与滚筒20的旋转一起运行，以连续地模制带状叶片模制件S 具有规定的宽度，并且在冷却之后将叶片成型件切割成规定长度。