发明名称 |
VERFAHREN UND VORRICHTUNG ZUM STUMPFSCHWEISSEN VON KUNSTSTOFF-ROHRABSCHNITTEN ODER KUNSTSTOFF-FORMSTUECKEN |
摘要 |
<p>The invention is a method and apparatus for butt-welding two adjoining plastic tubular members which are held in axially adjustable mountings and which are joined together under axial pressure after heating in the area of their juncture by means of electric heating elements. Welding without formation of an interior bead is made possible with the invention by inserting into the plastic tubular members, prior to heating, a bolster which bridges the juncture and fits flush against the inside curvature of the plastic tubular members, and by applying in the area of the juncture shell-shaped heating elements to the outside of the plastic tubular members to heat the abutting ends of the plastic tubular members from the outside.</p> |
申请公布号 |
DE3636891(A1) |
申请公布日期 |
1988.05.11 |
申请号 |
DE19863636891 |
申请日期 |
1986.10.30 |
申请人 |
DOMMER,ARMIN;DOMMER,DIETER |
发明人 |
DOMMER,ARMIN;DOMMER,DIETER |
分类号 |
B29C65/02;B29C65/00;B29C65/18;(IPC1-7):B29C65/20 |
主分类号 |
B29C65/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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