Band tightness indicator

Details Band tightness indicator Band tightness indicator

1976-12-17

1979-02-06

Yasich, Daniel M.

Bottles and jars

Closures

Including visual indicia

206459, 215276, B65B 728

Patent

active

041380290

ABSTRACT:
In home canning equipment in which a two-piece closure is threaded onto a jar mouth to provide a sealed container, the band and lid of the closure are provided with respective sets of indicia which, when brought into a preselected pattern of registry by helical rotation of the band relative to the lid, uniformly provides such sealed containers with a degree of sealing gasket compression that is closer to ideal.

REFERENCES:
patent: 490720 (1893-01-01), Ogram
patent: 1337034 (1920-04-01), Bauermeister
patent: 1425594 (1922-08-01), Keeran
patent: 2135834 (1938-11-01), Overmyer
patent: 2587147 (1952-02-01), Guion et al.
patent: 2939597 (1960-06-01), Greene
patent: 3216600 (1965-11-01), Dreps
patent: 3818858 (1974-06-01), Kramer et al.

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