Device for welding together the ends of tubular plastic containers, notably tubes
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United States of America Patent
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-
Nov 5, 2002
Grant Date -
N/A
app pub date -
Jul 11, 2001
filing date -
Jan 19, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device for welding the ends of a tubular container made from plastic, in particular tubes has a holding device which holds the container in a stationary fashion with its open end facing in an upward direction and including means for warming a ring shaped peripheral region of the container proximate the opening to facilitate subsequent welding along an elongated seam travelling transverse to the longitudinal extension of the container. A mounting holds a plurality of diode lasers in an approximately circular manner such that their radiation is incident on the inner or outer wall of the container, either directly or via a deflection optics.
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