专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

121. 发明专利

JPH08164424A ROLL FORMING DEVICE 失效
公开(公告)号：JPH08164424A
公开(公告)日：1996-06-25
申请号：JP33904194
申请日：1994-12-30
申请人： AISIN SEIKI , TOYOTA CENTRAL RES & DEV
发明人： HORINO KATSUYOSHI , OZAWA MITSUHIRO , NISHIKAWA NORIO , MURATA ATSUNOBU
IPC分类号： B21D5/01 , B21D5/08
摘要： PURPOSE: To form an U-shaped bending cross section and to eliminate an exclusive roll for every articles. CONSTITUTION: This device is provided with 1st reserve rolls 31 which are composed of a pair of rolls to form the forming faces of obtuse angle V-shaped recessed part and projecting part, which bend a place being separated by a definite distance from an end of an object to be formed W into an obtuse angle, 1st rolls 32 which are composed of a pair of rolls to form the forming faces of right angled V-shaped recessed part and projecting part, which bend the place being bend in the obtuse angle into the right angle. Further, the device is composed of 2nd reserve rolls 33 which are composed of a pair of rolls to form the forming faces of the obtuse angle V-shaped recessed part and projecting part, which bend a 1st place separated by a definite distance from the place being bent in the right angle of the object to be formed W into an obtuse angle, and 2nd rolls 34 which are composed of the other side roll constituted of one face contact roll opposing only to one side face of the right angle formed V-shaped recessed part of one side roll, which bend the 2nd place being bent in the obtuse angle into the right angle.

122. 发明专利

JP2506471B2 失效
公开(公告)号：JP2506471B2
公开(公告)日：1996-06-12
申请号：JP50768589
申请日：1989-07-25
申请人： CHUUBU TEKUNOROJII PTY LTD
发明人： GORUBII RESURII DEIBITSUDO
IPC分类号： E04C3/06 , B21D5/08 , B23K13/04 , E04C3/07

123. 发明专利

JPH0818074B2 失效
公开(公告)号：JPH0818074B2
公开(公告)日：1996-02-28
申请号：JP23168489
申请日：1989-09-08
IPC分类号： B21C47/26 , B21D5/08

124. 发明专利

JPH0815633B2 失效
公开(公告)号：JPH0815633B2
公开(公告)日：1996-02-21
申请号：JP5440694
申请日：1994-03-01
IPC分类号： B21D5/08 , B21D53/00

125. 发明专利

JPH0815632B2 失效
公开(公告)号：JPH0815632B2
公开(公告)日：1996-02-21
申请号：JP5440594
申请日：1994-03-01
IPC分类号： B21D5/08 , B21D53/00

126. 发明专利

JPH0813383B2 失效
公开(公告)号：JPH0813383B2
公开(公告)日：1996-02-14
申请号：JP8078793
申请日：1993-04-07
IPC分类号： B21D5/08

127. 实用新型

JPH084169Y2 失效
公开(公告)号：JPH084169Y2
公开(公告)日：1996-02-07
申请号：JP2214092
申请日：1992-04-09
IPC分类号： B21B31/00 , B21D5/08

128. 发明专利

JPH084861B2 失效
公开(公告)号：JPH084861B2
公开(公告)日：1996-01-24
申请号：JP14755293
申请日：1993-06-18
IPC分类号： B21D5/08 , B21D43/00 , B21D51/26

129. 发明专利

JPH07122319B2 失效
公开(公告)号：JPH07122319B2
公开(公告)日：1995-12-25
申请号：JP35042692
申请日：1992-12-03
IPC分类号： E04D15/04 , B21D5/08

130. 发明专利

JPH07121422B2 失效
公开(公告)号：JPH07121422B2
公开(公告)日：1995-12-25
申请号：JP26749086
申请日：1986-11-12
IPC分类号： B21D5/08

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式