Electrophoresis gel slab cassettes having pull cords and methods

Details Electrophoresis gel slab cassettes having pull cords and methods Electrophoresis gel slab cassettes having pull cords and methods

1991-08-13

1993-02-16

Niebling, John

Chemistry: electrical and wave energy

Apparatus

Coating, forming or etching by sputtering

2041828, G01N 2726, B01D 5702

Patent

active

051868075

ABSTRACT:
Novel vertical electrophoresis cassettes having pull cords for opening the cassettes following electrophoresis runs are disclosed. Uniquely, the electrophoresis cassettes have pull cord assemblies positioned along the opposing vertical side edges of the front and back plates and between the front and back plates. More particularly, the pull cord assembly comprises a pull tab integrally connected to a tear strip. The front and back plates of the electrophoresis cassette are held together by either a soft-curing adhesive or adhesive tape positioned along the opposing vertical side edges of the cassette. The tear strip of the pull tab assembly is positioned between the adhesive or adhesive tape and spacers. To open the cassette, the pull tab is grabbed and the tear strip rips through the adhesive or adhesive tape to open the cassette along one vertical side thereof. Once the pull cord assembly has torn through the adhesive or adhesive tape, the front plate can be opened about a hinge formed by the adhesive tape or adhesive along the opposite vertical side edge of the cassette. Of course, the pull cord assembly along the opposite vertical side edge of the cassette may also be pulled and torn through the adhesive or adhesive tape so that the front and back plates may simply be pulled apart from one another.

REFERENCES:
patent: 4211336 (1980-07-01), Helms
patent: 4434908 (1984-03-01), French
patent: 4548333 (1985-10-01), Kobayashi et al.
patent: 4929329 (1990-05-01), Danby et al.

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