Apparatus for severing rod-shaped smokers' products

Details Apparatus for severing rod-shaped smokers' products Apparatus for severing rod-shaped smokers' products

1976-04-30

1977-12-20

Schran, Donald R.

Cutting

With means to deform work temporarily

83 17, 83411R, B26D 714, B26D 706, A24C 550

Patent

active

040634809

ABSTRACT:
Filter rod portions in the flutes of a rotating drum are severed by a rotary disk-shaped knife to yield shorter sections which are used for the making of filter cigarettes. During severing, the filter rod portions are flexed by stationary components to produce tensional stresses in those parts of filter rod portions which move into the range of the knife. This enables the knife to make a clean cut and to become immediately separated from the shorter sections. The stationary components may include annular members which urge the outer parts of successive filter rod portions against sloping portions of bottom surfaces of the respective flutes. If the depth of the flutes is constant, the components further include stationary cams which extend into circumferential grooves of the drum and lift the central parts of successive filter rod portions out of the adjacent portions of the flutes during travel past the knife.

REFERENCES:
patent: 3212185 (1965-10-01), Keiter
patent: 3253491 (1966-05-01), Rakowicz
patent: 3382874 (1968-05-01), Pinkham
patent: 3712162 (1973-01-01), Giatti

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