Corrugated wedge spacers for slab gel molds

Details Corrugated wedge spacers for slab gel molds Corrugated wedge spacers for slab gel molds

1987-07-31

1988-08-09

Kittle, John E.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

428167, 428174, 428179, 428182, 2041828, 204299R, B32B 328, G01N 2726

Patent

active

047627433

ABSTRACT:
Wedge spacers for forming slab gels of increasing cross section are manufactured from strips of thermoplastic material by impressing corrugations into the strips which run lengthwise from one end of each strip to a point along the strip between the two ends. The corrugations decrease in depth from a maximum at the strip end down to flatness at their terminus on the strip face. The forming technique imparts a high degree of reproducibility to the spacers, while still insuring a tight seal.

REFERENCES:
patent: 3091898 (1963-06-01), Fasold et al.
patent: 4142960 (1979-03-01), Hahn et al.
patent: 4560459 (1985-12-01), Hoefer
patent: 4574040 (1986-03-01), Delony et al.
patent: 4576693 (1986-03-01), Kreisher et al.

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