Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1990-08-06
1992-11-03
Weston, Caleb
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156384, 156569, 156570, 156571, 4147881, 4147884, 4147885, 4147886, 4147895, 414754, 414769, 414776, 53147, B32B 3500
Patent
active
051605589
ABSTRACT:
Agar-filled petri dishes with covers on them are taken in rows from a first conveyor belt through interface equipment to a horizontal infeed conveyor transporting them in axially aligned packs of ten through a conventional wrapping machine. Two alternate types of interface are used. A "parallel" interface stacks dishes from six columns simultaneously adjacent the end of the first conveyor, to create six stacks of dishes. These are transferred as a group to a lateral conveyor. The lateral conveyor transports the six stacks to a single stack transfer station where a transfer wheel having a horizontal axis receives the stacks and turns them from a vertical attitude to a horizonatal attitude moving in synchronization with the linear motion of the infeed conveyor. The alternate "serial" interface takes the dishes from the first conveyor and transports them laterally, single file through a labeler and printer to a stacker where they are stacked in six stacks, and then transferred to another conveyor and transported to the single stack transfer station. The transfer wheel has four pivoting arm units equally spaced around a circle with a toggle feature to alternately posture the arms to grip a stack as it is turned by the wheel from the vertical to the horizontal orientation.
REFERENCES:
patent: 2324930 (1943-07-01), Joa
patent: 4030528 (1977-06-01), Horning
patent: 4160507 (1979-07-01), Mullins
patent: 4610616 (1986-09-01), Kosman
patent: 4755093 (1988-07-01), Francioni
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