Plastic article or earthenware shaping or treating: apparatus – Three or more endless surfaces cooperating to define a...
Patent
1987-12-23
1989-01-24
Chiesa, Richard L.
Plastic article or earthenware shaping or treating: apparatus
Three or more endless surfaces cooperating to define a...
99485, 425364B, 426512, A21C 908
Patent
active
047998750
ABSTRACT:
A toroid forming machine has a plurality of individual laterally flexible dough forming members mounted upon a conveyor chain to revolve about spaced sprockets, the forming members being drawn through a stationary sleeve formed by opposing one-half sleeve members from a substantially flat initial configuration to a substantially closed cylindrical configuration at an exit end of the sleeve. A stationary mandrel is provided centrally of the sleeve to allow molding of dough strips between the forming members and mandrel into toroid configuration suitable for making bagels. End portions of the mandrel and sleeve are removable and have an expanding configuration to allow for varying the size of toroids exiting the sleeve. The forming members and the associated conveyor chain are easily removed for replacement by different size members as are the mandrel and sleeve members. A drive sprocket of the conveyor means is mounted on a swing carriage to release the conveyor for replacement or cleaning, a mandrel is removably mounted to the machine frame and the sleeve members are mounted on movable support members for ease of cleaning or replacement.
REFERENCES:
patent: 1552430 (1925-09-01), Gendler
patent: 1755921 (1930-04-01), Gendler
patent: 2187253 (1940-01-01), Wallace
patent: 2187254 (1940-01-01), Wallace
patent: 2666398 (1954-01-01), Gendler
patent: 3031979 (1962-05-01), Thompson
patent: 3080831 (1963-03-01), Paitchell et al.
patent: 3379142 (1968-04-01), Reiter
patent: 3433182 (1969-03-01), Thompson
patent: 3792940 (1974-02-01), Thompson
patent: 3986446 (1976-10-01), Thompson
patent: 4147809 (1979-04-01), Thompson
patent: 4218207 (1980-08-01), Thompson
patent: 4368019 (1983-01-01), Thompson
patent: 4478565 (1984-10-01), Thompson
SKETCH of prior art toroid forming machine, Thompson Bagel Machine Mfg. Corp., Los Angeles, Calif., Prior to Dec. 23, 1987.
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