45 results about "Tail" patented technology

The present invention relates to an apparatus (10) configured and adapted to remove the flank bones (11) of a headless, slaughtered, preferably opened abdominal cavity fish (12), wherein the fish is conveyed in a conveying direction T with its tail forward and its spine (13) placed on a conveying saddle (14), the apparatus comprising at least: an upper bone guide (15) configured and adapted to guide the spine (13) from the dorsal side of the fish (12) to be processed; and a lower bone guide (16) configured and adapted to guide the ventral radii (44) of the fish (12) to be processed, the ventral radii being formed in the region from the tail to the abdominal cavity. The invention relates to a separation unit (17) for detaching fillets from the flank bones (11) surrounding the abdominal cavity of the fish (12) to be processed, wherein the separation unit (17) includes a separation mechanism (18) having a corresponding opposing unit (19) and capable of moving from a standby position to a working position and vice versa. The device (10) is characterized in that a detachment device (20) is located within the area of ​​the upper bone guide (15) and is configured and adapted to at least loosen the bone connections (21) between the individual flank bones (11) and the vertebrae (13) of at least some of the flank bones (11). The invention also relates to a corresponding slicer (40) having such a device (10) and a corresponding method.

The invention relates to a knife arrangement (100) for at least partially trimming a region (12) in an abdominal cavity (13) of a fish (11), comprising: a transport device (21) for transporting the fish (11) in a transport plane (23) in a transport direction (24) with the tail (34) facing forward; at least one trimming element (41) arranged along the transport direction (24) and configured for at least partial immersion into the abdominal cavity (13), the at least one trimming element (41) being configured and adapted for at least partial trimming / cut release within the abdominal cavity (13), in particular a region (12) having a hypochondriac bone (18) and / or a fillet portion (19) protruding into the abdominal cavity (13), characterized in that the at least one trimming element (41) is arranged along the transport direction (24) and configured for at least partial immersion into the abdominal cavity (13), the at least one trimming element (41) being configured and adapted for at least partial trimming / cut release of the region (12), in particular a region (12) having a hypochondriac bone (18) and / or a fillet portion (19) protruding into the abdominal cavity (13). The knife arrangement (100) comprises a dressing element adjustment device (42) connected to the at least one dressing element (41), wherein the dressing element adjustment device (42) is configured and adapted to at least partially pivot the at least one dressing element (41) clockwise or counterclockwise (32, 33) about at least one pivot axis (43, 44). The invention further relates to a corresponding device (40) and to a corresponding method.

The invention relates to an assembly (10) for beheading slaughtered fish (11), comprising a trough conveyor (12) for a transverse axial conveying of the slaughtered fish (11) abdomen-first in the transport direction T on a substantially horizontal transport plane E, a device (13) for securing and aligning the fish (11) in troughs (14) of the trough conveyor (12) before and during the beheading process, and a device (15) for completely separating the head (16) from the fish body (17). The trough conveyor (12) has a plurality of troughs (14), each of which is intended for receiving an individual fish (11), and each trough (14) comprises a head support (18) and a body support (19) at a distance to the head support (18). The trough conveyor (12) is associated with means (21), in the region of a gap (20) formed between each head support (18) and each body support (19), for positioning the fish (11) to be beheaded in the region of the root (22) of the pectoral fins (23), the device (13) for securing and aligning the fish (11) comprising at least one positioning element (24) which is designed and configured to be movable, perpendicularly to the transport plane E, downwards from above onto the fish (11) lying on its side in the region of the head (16) in order to secure the fish (11) in the trough (14) and upwards again and, in order to align the fish (11) in the trough (14), transversely to the transport direction T in such a way that the secured fish (11) can be pressed within the trough (14) in the direction of the tail against the means (21) for positioning the fish (11) to be beheaded in the region of the root (22) of the pectoral fins (23), the device (15) for separating the head (16) from the fish body (17) comprising a separating blade (25) which is situated, in the transport direction T, behind the means (21) for positioning the fish in the region of the gap (20) and is designed and configured to completely separate the head (16). The assembly is characterized in that at least parts of each positioning element (24) are designed and configured to carry out a rotational movement about a rotational axis D in addition to the up-and-down movement perpendicularly to the transport plane E and in addition to the transverse movement in the direction of the means (21) for positioning the fish, the rotational axis being oriented substantially perpendicularly to the transport plane E. The invention further relates to a corresponding method.

1. Name of the designed product: imitation fish (T tail). 2. Use of the designed product: bait for fishing. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.

The application discloses a kind of quantitative evaluation methods of fish bubble disease degree under TDG supersaturation stress, first place fish under supersaturation stress under microscope respectively observe the amount of attached bubble of tail fin, anal fin, ventral fin, pectoral fin and dorsal fin and bleeding symptom, and take the photo of each fin;According to the total area S of photo measurement each fin, bubble coverage area S1, bleeding area S2;Calculate the bubble amount severity of each fin α1 and bleeding symptom severity α2;According to the size of α1 and α2, scoring is carried out, and the score t of each fin is calculated;According to the score of each fin, the comprehensive score T of fish is calculated;Determine the degree of fish bubble disease under TDG supersaturation stress.The application fills the vacancy of technical system of quantitative evaluation of fish bubble disease severity, and enriches the theoretical basis of water conservancy total dissolved gas supersaturation on fish impact evaluation.

A novel mechanical fish is characterized in that the novel mechanical fish comprises a head assembly, a middle assembly, a counterweight box assembly, a steering engine, an optical axis, an external counterweight cabin, a charging head, a first tail assembly, a second tail assembly and a third tail assembly; the third tail assembly is installed on the first tail assembly through the second tail assembly, a plurality of optical shafts are installed in the balance weight box, a balance weight box assembly is installed in the middle assembly, the steering engine is installed above the balance weight box assembly, the external balance weight cabin is installed at the bottom of the middle assembly, and the charging head is installed on the outer side of the middle assembly. The tails of the middle assembly, the first tail assembly and the second tail assembly are each provided with a double-shaft steering engine. According to the design, swimming movement of fishes such as sharks is simulated, and the fishtail is controlled to swing through the multiple steering engines, so that the fishtail has high flexibility and can steer flexibly. Therefore, on the basis that the bionic fish is small in size, a narrow and complex underwater environment can be explored.

The invention discloses a rigidity distribution optimization method based on an elastic beam driving bionic fish body, and belongs to the field of underwater bionic robots. According to the method, the problem that the swimming performance of the bionic fish body is poor due to the fact that an existing method cannot achieve overall rigidity distribution optimization of the bionic fish body is solved. According to the method, a parameter vector composed of a characteristic size, an elastic modulus, a Poisson's ratio and a damping parameter is selected as an optimization variable, and a center line movement track is calculated through an elastic beam deformation track, a rigid fish head track, a tail peduncle track, a tail fin track and a middle beam deformation track on the two sides of a bionic fish body; the parameter vectors are iteratively searched and updated according to the midline motion trail and the rigidity distribution scheme, so that the optimization range is expanded from the tail to the whole bionic fish body, the flexibility and continuity of the full length of the fish body are realized, the obtained rigidity distribution optimization result is closer to the swimming mechanism of real fish, and the swimming performance of the bionic fish body is improved. The method can be applied to rigidity distribution optimization of the elastic beam driven bionic fish body.

The invention belongs to the technical field of breeding of aquatic animals, and particularly relates to a breeding method for breeding XX pseudo male fishes by using Chrysophila multistriata. The invention relates to a breeding method for breeding XX pseudo-male fishes by using Christia polyrrhiza, which comprises the following steps of: feeding a feed containing an aromatase inhibitor to Christia polyrrhiza fry with proper day age for induction to obtain pseudo-male fishes with physiological male property and genetic female property; the method comprises the following steps: performing PIT living body electronic marking, then collecting a tail fin tissue sample, performing PCR detection by utilizing a genetic sex specific molecular marker of the Chrysophila polyrrhiza, and screening out pseudo male individuals with female genetic sex and male physiological sex; the obtained pseudo male fish individuals serve as male parents, normal genetic female fishes serve as female parents, intensive cultivation and artificial spawning induction are conducted, and fertilized eggs are obtained; the obtained fertilized eggs are collected and hatched, and pseudo male fishes with all genotypes being XX are obtained. According to the method, the genetic all-female rate of the breeding offspring reaches 100%, and the production purity of the offspring seeds is greatly improved.

This invention relates to the field of biomimetic teaching aids, and proposes a quadrupedal vertebrate biomimetic teaching aid, comprising a spine unit, a tail component, and a head component. The spine unit includes a connecting plate, a rotating plate, rotating rods, and connecting shafts. The two ends of the rotating rods are rotatably connected to the connecting plate and the rotating plate, respectively. Three rotating rods located on the same side of the connecting plate are of equal length and arranged in a triangular parallel configuration. The two connecting shafts can drive the tail component and the head component to shake. By setting up the connecting plate, rotating plate, rotating rods, and connecting shafts, and utilizing their mutual cooperation, this invention not only allows for adjustment of the axial distance between the two connecting shafts according to actual needs to meet the positional requirements of the biomimetic animal, but also allows the other connecting shaft to rotate synchronously when one is rotated, thereby shaking the head component and tail component separately. This enriches the morphological variations of the biomimetic teaching aid and enhances its teaching and demonstration effects.

The application discloses a bionic fish structure with foldable and variable rigidity adjustment functions, and belongs to the technical field of bionic fish structures. In order to solve the problems of high energy loss rate, slow swimming speed, poor stability at high speed, and the fact that a large amount of space cannot be left in the fish head for bearing, the application comprises a fish head unit, a fish body unit and a foldable tail fin, the fish head unit and the foldable tail fin are arranged at two ends of the fish body unit respectively, the fish body unit comprises an outer skeleton, a foldable dorsal fin unit, a fish body swing unit and a fish tail variable rigidity adjustment assembly, the foldable dorsal fin unit, the fish body swing unit and the fish tail variable rigidity adjustment assembly are arranged in the outer skeleton, one end of the fish body swing unit is detachably connected with the fish head unit, the other end of the fish body swing unit extends out of the tail end of the outer skeleton and is detachably connected with the foldable tail fin, the foldable dorsal fin unit is located above the fish body swing unit, the top of the foldable dorsal fin unit penetrates through the outer skeleton and extends above the outer skeleton, and the fish tail variable rigidity adjustment assembly is located above the fish body swing unit and in the inner part of the outer skeleton. The application is used as a bionic fish structure for underwater detection.

The utility model relates to cricket breeding related technical field especially female cricket breeding is with detachable breeding box, including main part box, the inside fixed mounting of main part box has screw rod, one end penetration of screw rod is connected with fixed block, the side surface fixed connection of fixed block has baffle. This female cricket breeding is with detachable breeding box, through the setting of main part box, screw rod, nut, fixed block, fixed hole, baffle, vent, water tank, mounting block, bell house and connecting lid, the grid bottom of main part box bottom comes in handy three tail and inserts the ootheca into the soil and lays eggs, the excrement etc. of two produced also will fall in the soil in the base, the water tank of main part box is through and is used for three tail drinking, and is connected, and every time adds water and only adds once just can supply all three tail use, the upper half four walls of main part box open have the vent and can guarantee air circulation, the baffle can separate each three tail alone, reach the purpose of not interfering each other.

The utility model relates to the technical field of kitchen utensils, in particular to a fish skin black skin removing device which comprises an inner cylinder, an outer cylinder, a handle, a head fixator and a tail fixator. The inner cylinder is elastically connected with the outer cylinder, and the head fixator and the tail fixator are rotationally connected with the outer cylinder; the head fixator is used for clamping the head of a fish, the tail fixator is used for clamping the tail of the fish, the handle is arranged on the side where the head fixator is located, and the handle is fixedly connected with the head fixator; a skin scraper is arranged on the inner surface of the inner cylinder, and the inner cylinder is formed by rolling up an elastic plate. Fish is placed in the inner cylinder, the head fixing device and the tail fixing device are used for fixing the fish body, the handle is rotated, mucus and black skin on the fish body are scraped off by the skin scraping device, the mucus and black skin treatment efficiency of the device is higher, the treatment effect is better, and the effect is particularly remarkable under the condition of large-scale treatment of the leiocassis longirostris.

A rake and bin device includes a bin which has a shell structured to have a pair of lobes such that the bin has the ornamental appearance of a fish with an open mouth. A bin handle is attached to shell to be gripped by a user. A pair of fins is coupled to the shell and a tail is coupled to the shell to enhance the ornamental appearance of the bin with respect to the fish. A rake is provided to rake toys and other children's objects into the bin for collection without damaging the toys and other children's objects. A plurality of wings each extends laterally away from the rake to enhance the ornamental appearance of the rake. A rake handle extends upwardly from the a respective one of the plurality of wings for gripping to rake the toys and other children's objects into the bin for collection.

This product is an edible cake, and its shape is a simplified and exaggerated representation of the distinctive features and coloration of the long-tailed tit bird. The elongated, plate-like tail feather section is formed by arranging three rod-shaped bodies with a roughly circular cross-section, as shown in the [AA line enlarged cross-sectional view].

1. Name of the designed product: fish bait (T-tail fish). 2. Use of the designed product: fish bait for attracting fish. 3. Design points of the designed product: in shape. 4. Picture or photo that best indicates the design points: Design 1 perspective view. 5. Design 1 is designated as the basic design.

An outer metal frame body for a composite lure and the composite lure using the outer metal frame body comprise a head portion and a tail portion, an upper connecting portion is arranged on the upper portion between the head portion and the tail portion, and a lower connecting portion is arranged on the lower portion between the head portion and the tail portion. The side, close to the tail portion, of the lower connecting portion is provided with a balance weight portion, and a middle cavity is formed between the upper connecting portion and the lower connecting portion. The mode that the balance weight part is externally arranged is adopted, so that the whole balance weight can be located on the lower portion of the frame body structure as much as possible, throwing is more facilitated, the swimming stroke can be kept during sinking, and the attraction to fish is guaranteed.

The invention relates to a knife device (10) for at least partially separating fish fillets (12) from deheaded slaughtered fish (11) having an open abdominal cavity (13), comprising: a transport device (21) having at least one transport element (22) for transporting the fish (11) in a transport plane (23) in a transport direction (24) with the tail (46) facing forward; at least one blade unit (25) which is arranged in the transport direction (24) and is designed for at least partially penetrating into the transport plane (23), the blade unit (25) comprising a blade (26) and a corresponding blade bearing support (27) which is spring-loaded by means of at least one spring element (28), the blade unit (25) being designed and adapted for at least partially penetrating into the transport plane (23) under a yield counter-pressure of the spine (14). The invention relates to a blade arrangement (10) for at least partially peeling and separating a fish fillet (12) from a rib (20) surrounding a belly cavity (13), characterized in that the blade arrangement (10) comprises an adjustment device (29) connected to a blade unit (25), in which the adjustment device (29) is configured and adapted to at least partially pivot a blade (26) around at least one pivot axis (30, 31) clockwise or counterclockwise (32, 33). The invention further relates to a corresponding device and to a corresponding method for separating fillets (12) from fish (11).

The present invention is an absorbent article for pets that covers the back from the abdomen of a pet via the tail, the absorbent article having a tail hole-forming portion in a region facing the tail, the tail hole-forming portion having: a slit that is convex toward one of the abdomen side and the back side; and two perforation lines extending from both ends of the slit toward the other of the abdomen side and the back side, respectively.

1. The name of the designed product: lighter case (sail tail fish). 2. The use of the designed product: used for containing lighters. 3. The design points of the designed product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

A lure is disclosed. The lure comprises a head, a tail, a first channel extending inside the head to the tail, and a pair of hind legs extending from the tail, the pair including a first leg having a first foot and a second leg having a second foot, the first foot being connected to the second leg and forming a foot body having a second channel. The lure has a line having a first end and a second end, the second end being provided through the first channel and the second channel. The second end is connected to the foot body. The lure can resemble a frog, an insect, or an amphibian.

A tail cutter or tail saver capable of partially cutting off the tail of an animal carcass while a cutting device is cutting the back of the animal carcass into two halves. The tail saver is suitable for connection to a cutting device for dividing an animal carcass. The tail cutter comprises a tail knife having a longitudinal cutting blade for cutting off the tail portion at the base of the tail, and fingers connected to the tail knife, the fingers enabling the free portion of the tail to face a predetermined side of the animal carcass, the fingers being bent to the right or left relative to the longitudinal direction of the cutting blade of the tail knife, and the cutting blade of the tail knife being arranged in the same line and / or in the same plane as the cutting device when the tail knife is placed in the cutting device.

The utility model discloses a portable fish migration GPS positioning device with self-supply kinetic energy, which comprises a head elastic ring belt and a tail elastic ring belt, the head elastic ring belt and the tail elastic ring belt are sleeved on the surface of a fish body, the head elastic ring belt is close to the position of a front fish fin, and the tail elastic ring belt is close to the position of a rear fish fin. An elastic strap is arranged between the head elastic girdle and the tail elastic girdle, and a GPS positioning device, a miniature storage battery and a miniature water flow power generation device are arranged on the elastic strap; the utility model solves the problems that the GPS positioning device added on the migratory fish at present causes permanent physiological trauma to the migratory fish, and the GPS positioning label of the migratory fish cannot monitor the long-distance, large-span and long-term fish trajectory.

The utility model discloses an artificial bait with a tail paillette capable of rotating when moving in water, which belongs to the technical field of artificial bait and comprises a bionic artificial bait, a mounting groove is arranged at the tail of the bionic artificial bait, a connecting wire is mounted in the mounting groove, a front ring is sleeved on the connecting wire, and a rear ring is sleeved on the front ring. A rotatable paillette structure is installed on the tail portion, when the artificial bait moves in water, water flow acts on the paillettes to enable the paillettes to rotate around the bearing in a conversion mode, the twinkling light and shadow effect and the flexible dynamic expression can be generated, the attention of fishes is greatly attracted, and the fish luring effect is remarkably improved. The fish eye holes in the head of the bionic lure, the bionic gills on the rear side and the bionic dorsal fins on the back highly simulate real aquatic organisms in form, and the dynamic effect of the tail paillettes is matched, so that the lure presents a vivid biological movement posture in water, the attraction to fishes is further enhanced, and the success rate of fishing is increased.

Described herein are systems and methods for deraining the dorsal surface of a shrimp. Deraining using the system and method involves aligning the abdomen of the shrimp and splitting or cutting the dorsal surface of the abdomen section along a selected length of the abdomen, e.g., along a vertical axis extending between the head and tail of the shrimp, using a rotating blade to cut into the dorsal surface of the abdomen and remove the shrimp's line.

The application provides a telescopic bionic tail fin, and relates to the technical field of bionics. The telescopic bionic tail fin comprises a fish tail shell, a tail handle, and a bionic tail fin. A winding wheel is installed on a motor rotating shaft in the fish tail shell, and a steel wire connected to the front end sliding block of the tail handle is wound on the winding wheel. The rotation of the motor can change the pulling force of the steel wire on the front end sliding block of the tail handle. The rear end of the sliding block is connected to a spring fixed in the shell, and the spring provides a corresponding balance force, so that the length of the tail handle extending out of the fish tail shell can be freely adjusted. The application can be connected to the tail of a bionic robotic fish through the installation ring on the outside of the fish tail shell, and can greatly improve the motion sensitivity of the bionic fish and adjust the propulsion performance of the bionic fish during swimming.

The present disclosure relates to an artificial bait having certain physical characteristics that allow for it to remain forward-facing in the water to be quickly detected location- and direction-wise using sonar techniques. The characteristics of the bait also allow for it to engage in erratic darting action and remain in the water during retrieval for an extended period of time. Typically, the bait can include a body having a head portion, a tail portion, and a middle portion therebetween. A first attachment structure configured to receive a line can be located on or near the head portion. A hook structure can be inserted behind the first attachment structure, for example, on or near the middle portion of the body. The head portion can further include a portion of dense material therein.

The application discloses a feed fish with hard bone dorsal fin and ventral fin removing device, which comprises a top plate arranged on the upper side and a bottom plate arranged on the lower side, and the top plate and the bottom plate are connected through a support plate to form a frame structure; an inclined conveying channel is arranged between the top plate and the bottom plate, and the conveying channel is gradually inclined from a fish body inlet end to a fish body outlet end; a fish tail clamping mechanism, a dorsal fin removing mechanism and a fish head clamping mechanism are sequentially arranged above the conveying channel along the fish body conveying direction, a hollow ventral fin bottom hole is arranged at the bottom of the conveying channel and is opposite to the ventral fin of the fish body, and a ventral fin removing mechanism is further arranged on the bottom surface of the conveying channel. The application further discloses a mandarin fish breeding method using the feed fish with hard bone dorsal fin and ventral fin removing device. Compared with the prior art, the technical scheme of the application can efficiently remove the dorsal fin and the ventral fin of the fish, guarantee normal feeding of the mandarin fish and reduce the mandarin fish breeding cost.

The invention discloses a bionic fish based on a nonlinear rigidity elastic coupling tail, which comprises a rigid fish head 1, and a functional module 2 is arranged in the rigid fish head 1; a control module 4 is arranged in the rigid fish body 3; a bistable propelling module 6 is arranged in the rigid tail part 5; the flexible tail cover 7 is used for sealing the rigid tail part 5; the rigid fishtail 8 extends out of the flexible tail cover 7, the joint of the rigid fishtail 8 and the flexible tail cover 7 is sealed, the small end of the rigid fishtail 8 is connected with the bistable propelling module 6, and the large end of the rigid fishtail 8 is arranged in water; the rigid fish head 1, the rigid fish body 3, the rigid tail 5 and the flexible tail cover 7 are sequentially connected to form a waterproof fish body of the bionic robotic fish; the bistable propelling module 6 is used for driving the rigid fishtail 8 to achieve bionic swimming of nonlinear rigidity and elasticity coupling, namely, the nonlinear rigidity and elasticity coupling fishtail can simulate the elastic behavior of muscle change in the real fishtail swinging process, and can also simulate the elastic behavior of muscle change in the real fishtail swinging process under the condition that small energy barriers are overcome. And greater and faster motion response is realized.

The invention relates to a device (10) comprising a transport conveyor (13), which has a plurality of transport troughs (12), and a positioning device (14), said positioning device (14) comprising a carousel conveyor (16) having a plurality of sliding cassettes (18) which are provided on a carousel carrier (17) and, by means of the carousel carrier (17), can be rotated so as to circulate about an axis of rotation D of the carousel conveyor (16) along an arc-shaped movement path and can be moved at least partly parallel to the axis of rotation D of the carousel conveyor (16) transversely to the transport direction T of the fish (11) along a linear functional path (19) of the transport conveyor (13), said functional path extending in the transport direction T, such that the sliding cassettes grip the fish (11) at a specified dimensionally stable part of the fish (11) by means of a form-fitting and / or frictional connection and align the fish (11) by means of a sliding movement in the direction of the tail until the specified location of the fish (11) engages with a fin catcher (20) associated with the transport trough (12) located in the region of the functional path (19). Each sliding cassette (18) comprises at least one main part (21) secured to the carousel carrier (17), a sliding element (22) which can be moved relative to the main part (21), an engagement means (23) which can be moved relative to the sliding element (22), at least one guide roller (24) associated with the sliding element (22), and means (25) for moving the sliding elements (22) in the longitudinal direction of the fish (11), tail (15) first, in the region of the functional path (19) from a starting position, in which the engagement means (23) are above the dimensionally stable part of the fish (11), into an aligned position, in which the specified location of the fish (11) rests against the fin catcher (20). The means (25) for moving the sliding elements (22) together with the engagement means (23) mounted thereon are characterized by having at least one control track (26) and a connecting link region (27) located at the end of the control track (26), the guide rollers (24) of the sliding elements (22) being guided in the control track (26) and the connecting link region (27) comprising, in an extension of the control track (26), at least one resiliently mounted guide rail (28) which is oriented, in a guiding position as the starting position, towards the transport conveyor (13) in the direction thereof. The invention also relates to a corresponding method.