1978-05-04
1980-07-08
Abercrombie, Willie G.
17 73, A22C 2902
Patent
active
042109825
ABSTRACT:
Method and apparatus for processing shrimp and like arthropoda, comprising a housing, positively driven transport means disposed within the housing and containing a plurality of peripherally extending needles for engaging and impaling deheaded shrimp in a predetermined attitude to sequentially advance them through a plurality of operating stations in a path, defined at least in part, by a selectively shaped tunnel within said housing. The entry to said tunnel is contoured to properly orient the shrimp and to facilitate its initial positioning and displacement relative to the transport means by pneumatic forces. At the first operating station, the relatively thin abdominal shell or membrane disposed on the ventral side of the first five shell segments is longitudinally severed and the interconnection between the swimmerettes and the shrimp body is disrupted. At a second station, the dependent ends of the front five body shell segments of a positively positioned shrimp are loosened and displaced relative to the contained meat, after which the so loosened shell segments are sequentially removed by pneumatically induced shell displacement in the ventral to dorsal direction to ultimately break the condyle joints. At a subsequent station the dorsal surface of the peeled shrimp meat is longitudinally cut to a predetermined depth to expose the mid-gut vein for hydraulically assisted pneumatic removal. At a final station the shrimp may be further cut longitudinally along its dorsal side under ventral side applied pressure to provide a "butterfly" type configuration.
REFERENCES:
patent: 3310832 (1967-03-01), Ambos et al.
patent: 3324504 (1967-06-01), Lapeyre
patent: 3465383 (1969-09-01), Willis et al.
patent: 3787928 (1974-01-01), Domecki
Hoffman Paul H.
Lessig John A.
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