Nordischer Maschinenbau Rud.baader Gmbh + Co Kg

Nordischer Maschinenbau Rud. Baader

Joachim Jahnke

Jens Nagel

Gunther Lehming

Helmut Kunig

In a mechanical process for producing a fish product which may be described as a double fillet including head and tail, the intestines and the bone structure are removed completely and the gills at least partially. The processing is performed from the tail end and comprises the steps of making incisions on both sides of the belly spokes along the whole length of the fish from the ventral side while simultaneously removing the intestines and the gills, while subsequently the bone structure is cut out from the fish body by cutting over the ribs. The obtained double fillet can be folded together by folding down the double fillet halves to form an apparently complete fish.

Method and apparatus for producing a whole fish product

In a method and an apparatus for gutting non-decapitated fish, in particular breeding fish such as trout, it is characteristic for the processing that the fish are conveyed with their tails leading in longitudinally aligned conveyor troughs, and the treatment of the fish comprises the processing steps of slitting the belly cavity from the anus up to the region of the belly cavity; spreading the belly flaps and tearing open of the bloodstream; collecting and sucking off the entrails; and tearing off the gullet in the area of the mouth cavity. This processing can selectively be combined with the removal of the gills. For correctly performing this process, the cutting tool for slitting the belly cavity is provided with lateral knife blades, which sever the intestine in the anal region, while the suction nozzle is designed as a clamping mechanism in order to tear off the gullet.

Method and apparatus for gutting non-decapitated fish

The invention concerns a needle bar draw frame or gill box with a needle field or gilling area of needle bars carried by chains. With the aim of attaining the usual performances in respect of speed and drawing ratio at the same quality also in the case of voluminous short-staple slivers with draw frames operating with an upper and a lower needle field, control means engaging from above into the needle field are used in a draw frame provided merely with a lower needle field. These control means are constructed as bristle-like holding down devices which are arranged particularly immediately upstream of a pair of drawing rollers and possibly shortly downstream of a pair of entry rollers, while the central region is controlled in the usual manner by a bar roller or bar chain.

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Lubeck, Germany

Joachim Jahnke