Cartridge-free stacks of slide elements

Details Cartridge-free stacks of slide elements Cartridge-free stacks of slide elements

1993-03-26

1995-01-31

Gorski, Joseph M.

Metal working

Method of mechanical manufacture

With testing or indicating

29458, 156 63, 156344, 428192, B32B 3112, B32B 3300

Patent

active

053849477

ABSTRACT:
A stack of plastic articles and a process of forming the stack are disclosed. Preferably the stack is of heat-fusible plastic slide elements for use in a diagnostic analyzer, the elements being temporarily and non-destructively fused together so that the stack can be used free of a cartridge. In another embodiment, the stack can be of any plastic article temporarily fused to adjacent elements, one side edge of each element bearing a colorant and another bearing no colorant, so that a bar code for the stack is inherently formed simply by rotating each element to project outwardly the colored side edge or the side edge lacking colorant, prior to fusing the elements together.

REFERENCES:
patent: 4187077 (1980-02-01), Covington et al.
patent: 4190420 (1980-02-01), Covington et al.
patent: 4377890 (1983-03-01), Miller
patent: 4440301 (1984-04-01), Intengan
patent: 4482521 (1984-11-01), Bunce et al.
patent: 4662974 (1987-05-01), Roberts
patent: 4811861 (1989-03-01), Roberts
patent: 5081038 (1992-01-01), Sugaya et al.

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