Ultrasonic cut and seal apparatus

Details Ultrasonic cut and seal apparatus Ultrasonic cut and seal apparatus

1985-04-05

1986-09-09

Wityshyn, Michael

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With cutting, punching, piercing, severing, or tearing

156 733, 156 88, 156515, 1565802, B29C 6508, B32B 3118

Patent

active

046107509

ABSTRACT:
An ultrasonic cut and seal apparatus comprises a resonator having a removable tip which includes an inclined bore through which a filament is fed to the output surface of the resonator and upon the sheet material to be cut and sealed. The bore accurately guides the filament to the cut and seal region for causing the filament to be fused with the sheet material in the region adjoining the cut. The cutting and sealing is effected by the combination of an anvil exhibiting a cutting surface and at least one tapered sealing surface disposed opposite the output surface of the resonator when the sheet material is fed through the nip between the anvil and the resonant resonator.

REFERENCES:
patent: 2990616 (1961-07-01), Balamuth et al.
patent: 3460238 (1969-08-01), Christy et al.
patent: 3526554 (1970-09-01), Obeda
patent: 3627192 (1971-12-01), Killingsworth
patent: 3718272 (1973-02-01), Eltzroth et al.
patent: 3852144 (1974-12-01), Parry
patent: 4496407 (1985-01-01), Lowery, Sr.
patent: 4531999 (1985-07-01), Persson et al.

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