Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With separate heating means for work
Patent
1989-05-04
1991-02-26
Wityshyn, Michael G.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With separate heating means for work
292815, 1563042, 1563046, 156507, 156557, 156580, 1565831, 269 41, 269 43, B25B 120, B29C 6520
Patent
active
049959352
ABSTRACT:
A welding machine for butt welding of plastic profiles is outfitted with profile clamping units (2, 3) capable of sliding in relation to each other, and a heat reflector (15) which can be introduced between the front surfaces of two profiles to be welded, whereby the clamping units (2, 3) comprise weld boundary blades (2b, 2f, 3b, 3f) aligned parallel to the profile front surfaces and mounted on the profiles.
In order to enhance welding efficiency and produce precisely coordinated weld joints, the clamping units (2, 3) are designed to accommodate two superimposed profiles (U, O), and feature in addition to the external boundary blades (2b, 2f, 3b, 3f) an intermediate boundary blade (5, 6) insertable between the profiles (U, O), yielding elastically in the clamping direction of the profiles and moving along with the clamping units (2, 3) in the direction of displacement.
REFERENCES:
patent: 4239574 (1980-12-01), Aust et al.
patent: 4828239 (1989-05-01), Grandy et al.
patent: 4909892 (1990-03-01), Quinn et al.
Kelman Kurt
Wityshyn Michael G.
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