Welding thermoplastic material with a laser
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United States of America Patent
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Jan 18, 1994
Issued Date -
N/A
app pub date -
Jul 30, 1992
filing date -
May 9, 1990
priority date (Note) -
Expired
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Abstract
An apparatus for forming a weld between first and second thermoplastic materials in which the softening temperature of the second thermoplastic material is lower than that of the first thermoplastic material. The apparatus includes a supplier for supplying the first thermoplastic material and the second thermoplastic material to the same weld position with the second thermoplastic material at a first side of the first thermoplastic material, and a projector for projecting a laser beam to the weld position from a second side of the first thermoplastic material.
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