Conveyors: power-driven – Conveyor section – Having means to enhance the friction or adherence between...
Patent
1998-07-14
2000-12-12
Ellis, Christopher P.
Conveyors: power-driven
Conveyor section
Having means to enhance the friction or adherence between...
1988035, B65G 1746
Patent
active
061585734
ABSTRACT:
A conveyor belt for the transport of workpieces, in particular for the suspended transport of platelike workpieces, such as metal sheets or boards generally comprises a belt body having suction orifices which are connected to a vacuum duct in a vacuum device. The conveyor belt together with the workpieces to be paid onto it are guided past the vacuum device in a transport plane direction and the workpieces are retained on the conveyor belt by generating a vacuum in the vacuum duct consequently at the suction orifices and with two or more rear sealing lips integrally formed on the belt body (2), the sealing lips engage into at least sealing gap in the vacuum device to seal off the vacuum duct. Each sealing lip is provided with its own sealing gap in the vacuum device and the sealing lips center themselves and, at the same time, seal off the vacuum duct and are held under prestress in the sealing gaps.
REFERENCES:
patent: 3592334 (1971-07-01), Fleischauer
patent: 3708058 (1973-01-01), Kalven
patent: 4322993 (1982-04-01), Stumf
patent: 4670935 (1987-06-01), Bowler
Ellis Christopher P.
Neuhauser, GmbH & Co
Tran Khoi H.
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