Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With means applying wave energy or electrical energy...
Reexamination Certificate
2005-09-06
2005-09-06
Haran, John T. (Department: 1733)
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With means applying wave energy or electrical energy...
C156S380600, C156S502000, C156S583700, C156S368000
Reexamination Certificate
active
06939436
ABSTRACT:
A machine for joining opposite respective edges of respective pairs of large sheets (2) of plastic comprises a frame (1), a rectangular table (10) having a horizontal surface for supporting the sheets in position for joinder, the table provided with an elongated linear slot (18) extending centrally of and between opposite ends of the table and disposed between first and second rows (150, 150′) of spaced apart air suction holes (15, 15′) that open on the table for pulling the sheets against the table, a fixed electrode (11) disposed in the slot (18), a mobile electrode (14) mounted for vertical up and down movement on top of the fixed electrode, push buttons (19, 19′) for activating suction of air through the holes, and control means in the form of a robot to control different operations. The horizontal platform (10) is moveable horizontally relative to the frame (1), in longitudinal direction given by the slot (18) and respective edges of the sheets are overlapped and disposed between the fixed and movable electrodes (11, 14) in a manner to permit the substantially simultaneous shifting of said platform (10) and activation by the electrodes by the robot whereby to join the edges of sheets (2) on top of the platform (10).
REFERENCES:
patent: 2675838 (1954-04-01), Hickok et al.
patent: 4036676 (1977-07-01), Pennington
patent: 5913991 (1999-06-01), Kubota et al.
patent: 6019153 (2000-02-01), Knokey
patent: 6866732 (2005-03-01), Hubbard et al.
Haran John T.
The Weintraub Group
LandOfFree
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