Apparatus for forming a coffee filter

Details Apparatus for forming a coffee filter Apparatus for forming a coffee filter

1993-01-25

1994-07-26

Lavinder, Jack

Package making

Apparatus for forming or partially forming receptacle and...

Forming a pocket, depression, or hollow compartment by...

53453, 493154, 493174, B65B 4704

Patent

active

053317939

ABSTRACT:
An apparatus 10 for forming a coffee filter has a filter compartment 14 and a primary compartment 16. A filter roll 22 is unwound from the filter roll compartment 14 and fed into the primary compartment 16. Within the primary compartment 16 is a suspended floor 24 having an aperture 44, a pair of fingers 76 which indexes the filter paper across the aperture 44, and a plunger 116 having an outside dimension which is matingly received in the aperture 44 of the floor 24. The filter paper is conformably sized about the outside dimension of the plunger 116 when the filter paper is indexed to a position across the aperture 44 and the plunger 116 is moved through the aperture 44 in the floor 24. A clamp 119 is used to hold the filter paper against the floor 24. Upon travel of the plunger 116 through its stroke, a discrete coffee filter is formed and separated from the remainder of the filter roll 22 at the location where the clamp 119 is depressed against the filter roll 22. Upon separation of the discrete coffee filter from the remainder of the filter roll 22, the filter is ejected into a basket.

REFERENCES:
patent: 2215698 (1940-09-01), Harvey
patent: 2690634 (1954-10-01), Ketchpel
patent: 3146565 (1964-09-01), Otto
patent: 3327615 (1967-06-01), Swan
patent: 3357339 (1967-12-01), Schaab
patent: 3381604 (1968-05-01), Bixby, Jr.
patent: 3552976 (1978-01-01), King
patent: 4007674 (1977-02-01), Lichowsky
patent: 4134332 (1979-01-01), Merman
patent: 4147014 (1979-04-01), Tashiro
patent: 4426919 (1984-01-01), Rhoten
patent: 4506596 (1985-03-01), Shigenobu et al.

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