WO1997000616A1 - Procede et appareil permettant de couper la coquille d'un coquillage bivalve - Google Patents

Procede et appareil permettant de couper la coquille d'un coquillage bivalve Download PDF

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Publication number
WO1997000616A1
WO1997000616A1 PCT/JP1995/001237 JP9501237W WO9700616A1 WO 1997000616 A1 WO1997000616 A1 WO 1997000616A1 JP 9501237 W JP9501237 W JP 9501237W WO 9700616 A1 WO9700616 A1 WO 9700616A1
Authority
WO
WIPO (PCT)
Prior art keywords
hood
grindstone
cutting
bivalve
shell
Prior art date
Application number
PCT/JP1995/001237
Other languages
English (en)
Japanese (ja)
Inventor
Ryoji Sasaki
Syoji Hakoishi
Original Assignee
Ryoji Sasaki
Syoji Hakoishi
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ryoji Sasaki, Syoji Hakoishi filed Critical Ryoji Sasaki
Priority to PCT/JP1995/001237 priority Critical patent/WO1997000616A1/fr
Priority to AU27528/95A priority patent/AU2752895A/en
Publication of WO1997000616A1 publication Critical patent/WO1997000616A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A22—BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
    • A22C—PROCESSING MEAT, POULTRY, OR FISH
    • A22C29/00—Processing shellfish or bivalves, e.g. oysters, lobsters; Devices therefor, e.g. claw locks, claw crushers, grading devices; Processing lines
    • A22C29/04—Processing bivalves, e.g. oysters
    • A22C29/046—Opening or shucking bivalves

Definitions

  • the present invention relates to a method and apparatus for cutting bivalve shells. More specifically, a cutting device that can be used for the production of raw oysters with shells, or for shelling bivalves such as oysters, scallops, mussels, and scallops, and bivalve shells that use such devices. Related to cutting method. Background art
  • raw oysters with shells of natural and cultured products are collected or taken out of the sea, then treated with seawater irradiated with ultraviolet light for about 24 hours in a sterile breeding aquarium to purify their internal organs. Later, they are packed in boxes or several seawater packs (seawater filled in thermoplastic resin bags, etc., and closed) and kept at low temperatures before being sent to consumers.
  • Raw oysters are excellent in flavor, and there is a great demand for shelled raw oysters.
  • the two shells are tightly closed by closed shell muscles (scallops), it is difficult to open the shells, and it is easy to remove the raw oysters without losing the contents, even with a skilled sheller. Is not an easy task. For this reason, a simpler shelling method is required.
  • due to the difficulty of shelling it is the current situation that oysters are taken out of the state for general households, but are delivered directly to homes, such as low-temperature home delivery. In today's expanding services, it is more valuable to ship with shells Therefore, there is a demand for shelled raw oysters that can be easily shelled even by ordinary households.
  • the present inventor has proposed a method for easily peeling shelled raw oysters without a skilled person, by mechanically shaving the contact portion between the two shells and forming a hole.
  • a method for easily peeling shelled raw oysters without a skilled person, by mechanically shaving the contact portion between the two shells and forming a hole.
  • An object of the present invention is to provide a method and an apparatus for cutting an oyster shell for implementing the invention of the above-mentioned raw oyster shelling method and a raw oyster with a shell with cutting tool more efficiently.
  • an object of the present invention is to provide a cutting method and an apparatus capable of efficiently peeling off bivalves other than oysters.
  • FIG. 1 is a perspective view showing an embodiment of the present invention.
  • FIG. 2 is a plan view showing an example of a state where a raw oyster shell is opened.
  • FIG. 3 is a perspective view showing a state where a raw oyster shell is opened.
  • FIG. 4 are a perspective view, a side view, and a front view, respectively, of the finishing tool.
  • Fig. 5 shows the mounted state of the grinding wheel, slide hood and support (position FIG.
  • FIG. 6 is a side sectional view showing an embodiment of the present invention. Detailed description of the invention
  • the present invention is a.
  • a rotating grindstone 1 that is driven by a motor, a hood 3 that has at least a front opening that can cover and expose the rotating grindstone 1, and a support 4 on which the hood 3 is placed and that supports the rotating grindstone.
  • the support 4 supports the rotary grindstone 1 and cuts a bivalve shell characterized by having a cover 42 for covering the bracket and a support 41 for the hood 3.
  • the rotating grindstone is a porous grindstone manufactured by blending a spherical powdery polymer into a grindstone raw material and baking at 1000 ° C. or more to form a number of spherical micropores in the grindstone.
  • a rotating grindstone 1 driven by a motor a hood 3 having at least a front opening that can cover and expose the rotating grindstone 1, and a support 4 on which the hood 3 is placed and which supports the rotating grindstone.
  • the support 4 supports the rotating grindstone 1, and drives a device provided with the covering body 42 for covering the bracket and the support 41 of the hood 3. Pressing a shell 2 of the bivalve shell, and
  • FIG. 1 is a perspective view showing one embodiment of the device of the present invention.
  • reference numeral 1 denotes a rotating grindstone driven by a motor.
  • the rotating grindstone 1 is driven to rotate by a motor and cuts and opens a desired portion of the bivalve shell 2 which is in contact with the rotating surface.
  • the rotary grindstone 1 is made of a grindstone material that gradually wears when the shell is cut, or contains a diamond powder for industrial use, and is capable of cutting the shell smoothly without causing clogging. I just need.
  • a spherical powder polymer (expandable polystyrene resin or expandable styrene) is blended into the raw material of the grinding wheel in the process of manufacturing a vitrified grinding wheel, and fired at a temperature of 100 ° C or more.
  • Porous whetstones that have been processed to form a large number of spherical micropores in the whetstone are preferably used. it can.
  • the right and left width of the rotating whetstone 1 may be arbitrarily determined according to the intended bivalve shell. (See Figure 2).
  • the hole 21 can be operated by inserting a cutter for cutting a scallop, that is, the left and right width of the rotary grindstone 1 is usually 1 to 4 cm, preferably 1.5 to 3 cm.
  • the rotary whetstone 1 is covered with a hood 3.
  • the hood 3 has at least two openings, namely, a front surface or front and rear surfaces, and is mounted on a support base 41 of a support 4 with a rotating grindstone 1 from the front.
  • the hood 3 may be one in which the cutting surface of the rotating grindstone is partially exposed so that the bivalve shell can be cut, and may be fixed to the support table, but a slide type that can be moved back and forth. preferable.
  • a spring 33 that connects the rear end 31 of the frame and the inner wall of the cover 42 of the support 4 (see FIG. 6). This spring 3 3 has its spring By the action, the slide hood 3 is constantly pressed in the front direction (forward) so as to cover the rotary grindstone 1.
  • the shell 2 presses the front part 3 4 of the frame of the slide hood 3 rearward to move the slide hood 3 rearward. Should be pressed. Therefore, the left and right inner widths of the slide hood 3 are made wider than the left and right widths of the rotary grindstone 1.
  • the left and right width of the rotary whetstone 1 is made to be about 1 to 4 cm as described above, and the width of the oyster shells generally distributed as commercial products is usually 8 to 20 cm. Therefore, the inner width of the slide hood 3 may be set to about 5 to 7 cm.
  • the width of the whetstone is not particularly limited, and may be set to any width. Further, the cutting position of the shell is not particularly limited.
  • a method of moving the hood back and forth to a desired position in accordance with the wear amount of the grindstone and fixing the hood 3 may be used.
  • the rotary grindstone 1 is supported by a support 4.
  • the support 4 is composed of a box-shaped cover 4 2 for supporting and covering the rotary grindstone 1, a support 4 1 for mounting the slide hood 3, and legs 4 3 for supporting these objects.
  • the rotating grindstone 1 is supported by a rotating shaft 13 attached to the left and right side walls of the coating 42.
  • a motor drive 5 for transmitting power to the rotating shaft 13 is provided inside the cover 42, and the motor drive 5 is driven by operating a switch 4 2 1 attached to the front of the cover. .
  • the coating body 42 is provided with finishing tools 44 for finishing the opening of the holes 21 after cutting the raw oyster shells 2, For example, it may be attached to the front side.
  • This finishing tool is useful for producing a raw oyster with a shell with a cutting tool and a raw oyster with an opening sealed previously proposed by the present inventors.
  • Figures 4 (a), (b) and (c) show perspective, side and front views of the finishing tool before installation.
  • the finishing tool 4 4 is a rectangular piece made of stainless steel or other hard material with a width of 1 cm and a length of about 10 cm, and the tip 4 4 1 is particularly thin with a length of 2 to 3 mm and a thickness of about 1 mm.
  • Positioning and fixing so as to sandwich the corner of the front side of the covering body 42 between the fixing piece 4 4 3 provided below the body 4 4 2 of the finishing tool 4 4 and the lower surface of the body 4 4 2 do it.
  • the hole 21 of the shell 2 is a preferable shape that allows the insertion of a thin cutting tool.
  • the support base 41 of the support body 4 movably mounts the slide hood 3 as described above. As shown in the plan view of FIG. 5, the center of the support base 41 is cut off in a concave shape and opened. The rotation is performed by inserting the grindstone 1 into this opening. The rotating wheel 1 may be supported by the support 41.
  • the front end of the support table 41 projects further forward than the front end 32 of the slide hood 3 and cuts the shell 2 of the bivalve shell 2. At the time, the area where the target shellfish can be placed is secured. By doing so, the cutting operation can be performed stably.
  • the lower surface of the front protruding portion of the support table 41 is made of synthetic resin, fiber, metal or other material large enough to cover the first half of the concave portion of the support table 41, and thus the front half of the rotary grindstone 1.
  • a shell shot 45 may be attached. By doing so, it is possible to prevent the scattering of husks generated by the cutting work, and to keep the workplace clean at all times.
  • the support 4 has four legs 43 attached thereto. Instead of the legs, a member for supporting the left and right side surfaces of the cover 42, a box having a front opening, or a box surrounding four circumferences may be used. Adjust the height of the support base 41 and the rotary grindstone 1 to the position where the adult can sit and perform the cutting work in a comfortable posture by the legs or substitutes.
  • a sheet or a cover 46 having an L-shaped vertical section may be attached to the front of the cover 42 to cover the front of the hood when the apparatus is not used, and to prevent dust during cutting.
  • the cutting device of the present invention has the above-mentioned structure, and is used as follows, for example, to produce a shell-shaped vibrator.
  • the switch 4 21 on the front side of the support 4 is pushed to drive the motor driving device 5, whereby the rotary grindstone 1 rotates.
  • raw oysters are taken, and the joint of the two upper and lower shells at the center in the longitudinal direction of the shell 2 is placed on the support base 4 1 so as to abut on the rotating whetstone 1 and facing the front of the slide hood 3 Press it down. That is, since the oyster scallop is usually located at the center of the oyster shell, cutting is performed with the goal of opening a hole 21 at the joint between the upper and lower shells at that position.
  • the slide hood 3 pressed by the oyster shell 2 retreats to expose the rotating grindstone 1, and the central portion of the oyster shell comes into contact with the exposed rotating grindstone 1 to cut the hole 2 having a desired width and thickness. 1 is opened. If the oysters are to be shipped as shelled oysters that are easy to peel, they should be treated with the finishing tool to adjust the size of the opening. Industrial applicability
  • a hole for cutting a scallop can be efficiently formed in a raw oyster shell. Therefore, it is easy for even a layman to work in a production area where a large number of shells are peeled.
  • the shape of the hole to be opened in the shell is adjusted with a finishing tool so that the cutting tool can be inserted stably, and it is also used for the production of the vibrator with shell with cutting tool proposed by the present inventors. can do.
  • the shelling work was remarkably reduced by cutting the cultured scallop shell by pressing the ligament of the shell near the ligament with the rotary grindstone using the cutting device of the present invention equipped with a rotary grindstone.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Food Science & Technology (AREA)
  • Processing Of Meat And Fish (AREA)

Abstract

La présente invention concerne un appareil permettant de couper la coquille d'un coquillage bivalve, et un procédé correspondant avec lequel on utilise l'appareil. Ce dernier comprend une meule rotative (1) mue par un moteur, un capot (3) qui peut couvrir ou dégager la meule et qui est ouvert au moins à son extrémité avant, et un support (4) sur lequel est monté le capot (3), qui porte la meule et comprend une enveloppe (42) qui porte et couvre la meule (1), et une base-support (41) pour l'enveloppe. Selon l'invention, même un amateur peut exécuter l'enlèvement d'une valve sur place, là où le coquillage est ramassé, et dans des lieux analogues. En outre, étant donné qu'un trou utilisé pour couper un muscle adducteur peut être pratiqué de manière efficace et simple dans une valve d'huître crue, il est possible de fournir une huître crue avec sa coquille, ce qui permet au consommateur de l'enlever et de déguster l'huître sur place.
PCT/JP1995/001237 1995-06-21 1995-06-21 Procede et appareil permettant de couper la coquille d'un coquillage bivalve WO1997000616A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP1995/001237 WO1997000616A1 (fr) 1995-06-21 1995-06-21 Procede et appareil permettant de couper la coquille d'un coquillage bivalve
AU27528/95A AU2752895A (en) 1995-06-21 1995-06-21 Method of and apparatus for cutting shell of bivalve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1995/001237 WO1997000616A1 (fr) 1995-06-21 1995-06-21 Procede et appareil permettant de couper la coquille d'un coquillage bivalve

Publications (1)

Publication Number Publication Date
WO1997000616A1 true WO1997000616A1 (fr) 1997-01-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1995/001237 WO1997000616A1 (fr) 1995-06-21 1995-06-21 Procede et appareil permettant de couper la coquille d'un coquillage bivalve

Country Status (2)

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AU (1) AU2752895A (fr)
WO (1) WO1997000616A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2791526A1 (fr) * 1999-04-01 2000-10-06 Eugene Morvan Procede pour preparer des coquillages a coquille bivalve, notamment des huitres, a leur ouverture et machine destinee a la mise en oeuvre dudit procede
FR2792502A1 (fr) * 1999-04-23 2000-10-27 Ernest Schatt Procede pour l'ouverture d'une coquille de mollusque
WO2001006861A1 (fr) * 1999-07-23 2001-02-01 Mutsu Kaden Tokki Co., Ltd. Procede de traitement des coquillages et dispositif de traitement des coquillages utilises dans ce procede
CN109479946A (zh) * 2018-11-30 2019-03-19 盐城工学院 一种针对左右对称双壳贝类的自动化开壳装置及方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0759509A (ja) * 1993-08-26 1995-03-07 Ryoji Sasaki 殻付き生カキの殻を切削する装置
JPH0779692A (ja) * 1993-09-20 1995-03-28 Ryoji Sasaki 殻付き生カキの殻むき方法およびその方法に使用する殻の切削装置
JPH07194294A (ja) * 1993-12-28 1995-08-01 Ryoji Sasaki 二枚貝の殻を切削する装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0759509A (ja) * 1993-08-26 1995-03-07 Ryoji Sasaki 殻付き生カキの殻を切削する装置
JPH0779692A (ja) * 1993-09-20 1995-03-28 Ryoji Sasaki 殻付き生カキの殻むき方法およびその方法に使用する殻の切削装置
JPH07194294A (ja) * 1993-12-28 1995-08-01 Ryoji Sasaki 二枚貝の殻を切削する装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2791526A1 (fr) * 1999-04-01 2000-10-06 Eugene Morvan Procede pour preparer des coquillages a coquille bivalve, notamment des huitres, a leur ouverture et machine destinee a la mise en oeuvre dudit procede
FR2792502A1 (fr) * 1999-04-23 2000-10-27 Ernest Schatt Procede pour l'ouverture d'une coquille de mollusque
WO2001006861A1 (fr) * 1999-07-23 2001-02-01 Mutsu Kaden Tokki Co., Ltd. Procede de traitement des coquillages et dispositif de traitement des coquillages utilises dans ce procede
US6736716B1 (en) 1999-07-23 2004-05-18 Mutsu Kaden Tokki Co., Ltd. Shell processing method and shell processing device used in the method
CN109479946A (zh) * 2018-11-30 2019-03-19 盐城工学院 一种针对左右对称双壳贝类的自动化开壳装置及方法

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Publication number Publication date
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