Fluent material handling – with receiver or receiver coacting mea – With signal – indicator – recorder – inspection means or exhibitor – Level or pressure in receiver
Patent
1979-10-10
1981-09-01
Schmidt, Frederick R.
Fluent material handling, with receiver or receiver coacting mea
With signal, indicator, recorder, inspection means or exhibitor
Level or pressure in receiver
141 98, 141338, 141342, 206218, 206509, 220 8, B65B 3902, B67C 1102
Patent
active
042866340
ABSTRACT:
A plastic sample container with an attached collapsible funnel comprising several frusto-conical rings which interlock with one another in a raised position to form a funnel attached to an upright neck of the container. The funnel may be collapsed into the form of separate rings which rest upon radially extending upstanding support members attached to the top of the container. When the funnel is collapsed, the upper surfaces of the supporting members, the upper edges of the individual frusto-conical rings, and the top of a removable cap for the neck of the container all fall within a plane generally parallel with the bottom of the container, allowing several of the containers to be stacked one upon another. Graduations are provided on the side of the container, which is preferably constructed of tough translucent material, permitting visual ascertainment of the volume of a sample contained therein.
REFERENCES:
patent: 842086 (1907-01-01), Dixon
patent: 1510631 (1924-10-01), Nutry
patent: 1740418 (1929-12-01), Donnelly
patent: 1899095 (1933-02-01), Knight et al.
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