发明公开
EP0645485A1 Pneumatic weft tensioning safety device for air looms, with control of the broken wefts
失效
Pneumatische SchussfadenspannvorrichtungfürDüsenwebmaschinen，mit Schussfadenbruchkontrolle。
- 专利标题： Pneumatic weft tensioning safety device for air looms, with control of the broken wefts
- 专利标题（中）： Pneumatische SchussfadenspannvorrichtungfürDüsenwebmaschinen，mit Schussfadenbruchkontrolle。
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申请号： EP94114955.1申请日： 1994-09-22
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公开(公告)号： EP0645485A1公开(公告)日： 1995-03-29
- 发明人: Granelli, Renato , Viscardi, Ettore
- 申请人： SOMET SOCIETA' MECCANICA TESSILE S.p.A.
- 申请人地址： Provinciale Valseriana Km. 23 I-24020 Colzate-Bergamo IT
- 专利权人： SOMET SOCIETA' MECCANICA TESSILE S.p.A.
- 当前专利权人： SOMET SOCIETA' MECCANICA TESSILE S.p.A.
- 当前专利权人地址： Provinciale Valseriana Km. 23 I-24020 Colzate-Bergamo IT
- 代理机构： Faggioni, Marco, Dr. Ing.
- 优先权： ITMI932037 19930923
- 主分类号： D03D51/34
- IPC分类号： D03D51/34
摘要：
Pneumatic weft tensioning safety device for air looms, of the type in which a weft yarn (F) is launched by air jets into a launching channel (5) formed in the loom reed (3) and, at the outlet of the shed, the free end of said yarn is deviated towards the inlet mouth of a lateral weft tensioning channel (11) by an air jet (12) substantially transversal to the direction of said launching channel (5). The lateral weft tensioning channel (11) has an arc-shaped path and leads into a channel extension (6) of said launching channel (5). Means (13) to detect the presence of the weft are positioned in said channel extension (6), downstream of the outlet mouth of said lateral channel (11).
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