发明名称 Process of spirally winding tapes
摘要 A method and a device for the spiral winding of tapes for the continuous production of tubes without a core and having an angular cross-sectional area. A tape is guided centripetally during each bending process along a convexly curved conducting surface situated in the region of the tube being formed, the intake side of which conducting surface is located at the feed level. The centripetal guiding of the tape is suspended when the conducting surface reaches the outlet side for forming the excluding level segment of the tape.
申请公布号 US4774827(A) 申请公布日期 1988.10.04
申请号 US19880147074 申请日期 1988.01.20
申请人 SCHWARZ, WALTER 发明人 SCHWARZ, WALTER
分类号 B21C37/12;(IPC1-7):B21C37/12 主分类号 B21C37/12
代理机构 代理人
主权项
地址