Butchering – Crustacean – Meat removal by pressure differential
Patent
1996-08-07
1998-11-24
Little, Willis
Butchering
Crustacean
Meat removal by pressure differential
452 2, 452 5, A22C 2902
Patent
active
058399526
ABSTRACT:
An apparatus for extracting tailmeat and other edible materials from crustaceans. The apparatus of the present invention includes a pair of clamps movably mounted to a frame which grasp the head and tail portions of the crustacean and then momentarily impact the head portion towards the tail portion, thus rupturing an internal membrane that bonds the tailmeat to the shell of the crustacean thereby greatly easing the extraction of the tailmeat from the shell. After impact, the clamps are separated from each other so as to separate the head portion of the crustacean from the tail portion. The tail clamp allows the tail portion to flex slightly, which avoids a shearing effect and which retains more edible material in the separated tail portion, where it is subsequently extracted. The tail meat extraction means includes a pair of hollow needles for insertion into the tail portion of the crustacean straddling the intestinal tract, and a charge of compressed air forced through the needles into the tail portion forces the tailmeat out of the shell. A brace on the tail clamp grasps the end of the intestinal tract and retains the intestinal tract within the empty shell. Suction means are included for extracting head fat from the separated head of the crustacean, which head fat is collected and preserved for packaging along with the tailmeat.
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