EP1253840A1 - Device for opening clamshells such as oysters - Google Patents

Device for opening clamshells such as oysters

Info

Publication number
EP1253840A1
EP1253840A1 EP01904034A EP01904034A EP1253840A1 EP 1253840 A1 EP1253840 A1 EP 1253840A1 EP 01904034 A EP01904034 A EP 01904034A EP 01904034 A EP01904034 A EP 01904034A EP 1253840 A1 EP1253840 A1 EP 1253840A1
Authority
EP
European Patent Office
Prior art keywords
blade
opening
shell
branches
stop
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP01904034A
Other languages
German (de)
French (fr)
Inventor
Michel Auguin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1253840A1 publication Critical patent/EP1253840A1/en
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G21/00—Table-ware
    • A47G21/06—Combined or separable sets of table-service utensils; Oyster knives with openers; Fish servers with means for removing bones
    • A47G21/061—Oyster knives with openers; Shellfish openers
    • A47G21/062—Oyster splitters working by forcing a knife or the like between shells

Definitions

  • the present invention relates to a device intended for opening bivalve shells and in particular, but not exclusively, oysters, meadows, clams or Saint-Jacques shells.
  • certain devices use a piercing of one of the shells making it possible to introduce a blade intended to cut the muscle.
  • Other devices open the shell on the side, these devices generally leave shell debris that must be removed before consumption.
  • the patent application ACHART 95.14.534 describes a holding structure consisting of a clamp with two branches, the opening device consisting of an oyster knife is articulated on one of the two branches of the holding structure.
  • the RICARD patent FR.A.2.717.668 describes a self-locking receptacle on which the shell is held, a lever articulated on this receptacle comprises a blade consisting of a spout responsible for forcing the heel of the shell.
  • the MARQUIS patent FR.A.2.489.127 relates to a device consisting of a base and a heel forming an abutment on which the shell is positioned and of a lever articulated on this base by means of an adjustment branch.
  • the lever has a wedge intended to penetrate between the edges of the shells and to separate them.
  • Patent RIEHM FR.A.2.432.289 describes a tray forming a support on which are fixed two vertical strips and a spring plunger intended to hold the shell.
  • a lever articulated on the tank is provided with a knife comprising a spherical articulation intended to facilitate its embedding in the two shells.
  • the PIERSON patent FR.A.2.630.316 relates to a device comprising a fixed base, the notches of which allow the shell to be held in place and horizontal slots intended to guide the blade of a knife fitted with a protective guard.
  • the CHAILLOU patent FR.A.2,764,177 describes a device consisting of a hollow body linked to a cage forming an abutment intended to hold the shell, of a blade guided in said body and actuated axially by a two-pinch type organ. branches allowing the introduction of the blade in the heel so as to cause the dislocation of the two shells.
  • the LAVENTURE patents FR.A.463.601 and 2.484.813 relate to pliers, one branch of which serves as a stop, the other movable branch is provided with a knife point which, introduced into the heel, causes the shell to open by action movable branch of the clamp.
  • Patent LIEUTARD FR.A.2,758,449 describes a device consisting of a clamp of which one branch serves as a stop, the other branch is provided with a wedge intended to be introduced into the heel of the shell to cause its opening by action on the movable branch of the pliers.
  • the device intended for the opening of bivalve shells comprises: a base consisting of a longitudinal cradle, having a first end comprising a stop and a second end comprising first hooking means, a shell being capable of being disposed between said two ends in abutment against said stop; perforation means comprising a longitudinal blade having a first end forming a point and means for driving in translation of said blade, said drive means comprising second attachment means; and said perforation means are capable of being engaged in said second end of the cradle, said second attachment means cooperating with said first attachment means to immobilize in translation in opposite directions said drive means and said cradle, said first tip end of said blade being disposed against said shell which is itself in abutment against said stopper, so that the control of the drive means forcibly inserts said blade into said shell, whereby the two valves are at least partially separated.
  • the base forming a stop consists of a cradle whose first end, or side, serves to hold the shell in position and whose second end, or the other side, comprises first means of attachment serving as support for the second attachment means of the clamp provided with the blade to allow said blade to move axially and penetrate between the shells at the hinge when the forceps for driving the clamp are actuated.
  • said longitudinal cradle comprises two rigid sections, each having a first end and a second end, said sections being held substantially parallel to one another by spacers, the first and second ends respectively facing one of the other, the middle part of said sections defining a mean plane.
  • the base forming a stop consists of a cradle produced using two rigid metal profiles of circular section kept apart by at least two spacers made of scalloped and toothed sheets intended to hold the shell in position and serving as a stop on one of the sides of the cradle when the blade of the pliers is inserted into the hinge of the shell so as to effect the arching of the shell between the spacers and the blade penetrating into the hinge when said drive means are actuated.
  • said first attachment means are formed by the second two ends of said profiles, curved on the same side of said mean plane, towards said first ends of said profiles.
  • the rigid metal profiles of circular section kept apart by spacers serving as support, on the other side of the cradle, to the second attachment means constitute a ramp of rounded shape used to position the clamp, or perforation means , so as to achieve the buttressing of the shell between the spacers of the blade penetrating the hinge when said drive means are actuated.
  • said abutment is formed of a connecting piece connecting said first ends of said sections and inclined towards said second end.
  • the end of the ramp comprising the connecting piece formed by a substantially horizontal sheet metal plate serves both as a spacer and to facilitate the holding in position of the shell on the spacers, the thumb placed on the shell , the other fingers resting on the underside of the sheet metal plate.
  • said drive means comprise: means for guiding said blade having a working end and a control end, said first end of the blade forming a point being capable of projecting from said working end and the second end of the blade being capable of projecting from said control end; two branches, each of the first ends of which is articulated on each side of said guide means, capable of pivoting towards one another and towards said control end; and, two links, the first ends of which are pivotally mounted on said second end of the blade and each of the second ends of which is articulated on a branch so that said links form an angle greater than 90 ° with said blade, and a lower angle 180 ° between them.
  • said second attachment means consist of two lugs respectively extending said first ends of said two branches in opposite directions from one another so as to project into the periphery of said guide means.
  • the clamp, or perforation means comprising the blade and the drive means, consists of two movable branches comprising on each of these branches a lug allowing the branch to rest on the ramp rounded shape of the base.
  • the arms of the clamp are inserted and articulated in rotation each along an axis at the level of the pins in the guide means, or yoke, serving as a guide and as a stop for the blade.
  • the blade guided in the yoke, comprises the two articulated links on either side of the blade and on each of the arms of the clamp so that when the arms are clamped, said blade moves axially which introduced into the hinge shell enters it forming a corner and causes the opening of the shell.
  • said guide means comprise on each side a stop limiting the opening of said two branches.
  • the yoke comprises on each side of the blade a stop limiting the opening of the branches of the clamp so that the blade is visible and allows the introduction of the blade in the hinge of the shell.
  • said perforation means comprise elastic means capable of separating the two branches from one another.
  • a spring resting on the rods and on the end of the yoke, or guide means keeps the branches of the clamp open.
  • all the parts constituting the device are metallic made of food-grade stainless steel.
  • the device according to the invention uses a cradle to position and maintain the seashell.
  • This cradle also serves as a support for pliers with a blade.
  • the pliers blade Before positioning the shell on the cradle, the pliers blade is inserted at the hinge of the shell.
  • the shell is positioned on the cradle, the lugs of the pliers' branches rest on the ramp of the cradle.
  • the wedge blade penetrates into the shell and causes the hinge to yield. It is then enough to grasp the shell with one hand and with the other to keep closed the two branches of the forceps to use the blade to cut the muscle connecting the two shells.
  • the shell is opened by the hinge and leaves no debris inside. The effort required is relatively low. There is no risk of injury.
  • the device according to the invention responds well to the goals set.
  • FIG. 1A is a schematic plan view of the clamp, open branches,
  • FIG. 1B shows the clamp, closed branches
  • FIG. 2A is a schematic side view of the device according to the invention
  • FIG. 2B is a schematic front view of the seashell held on the base without the clamp.
  • FIG. 2C is a schematic side view of the device according to the invention according to a particular embodiment.
  • Figure 1A is shown according to the schematic plan view the clamp 3 in position 5 open.
  • Each of the branches comprises on one side a lower part 5c allowing their gripping and at the other end a lug 5a intended for the attachment of the clamp on the support cradle of the shell.
  • the branches are linked together by a yoke 7 consisting of two flanges enclosing above and below the branches, which are articulated in rotation each along an axis 7a further connecting the two flanges of the yoke 7.
  • a blade 4 slides between the flanges of the yoke, the movement of the blade is generated by two rods 8 articulated in rotation by a common axis 4a at the level of the blade and by an axis 5b at each branch 5.
  • a spring 9 is placed between the yoke 7 and the rods 8 at their common axis 4a. Rear stops 7b limit the movement of the blade 4 and the opening of the branches 5.
  • FIG. 1B shows the clamp 3, branches 5 closed, the spring 9 compressed.
  • the lower parts 5c of the branches are joined.
  • a coating inserts the lower parts 5c of the branches in the manner of the handle of a knife in order to facilitate the maneuvers of the branches 5.
  • the blade 4 is in the extended position.
  • the amplitude of the movement is of the order of 25 to 30 mm, which is sufficient to yield the hinge.
  • the deployed blade measures approximately 60 mm, connecting the two shells, which makes it possible to cut the muscle.
  • the device according to the invention is shown in a diagrammatic view 2A from the side, consisting of the cradle forming a base 1 on which the shell 2 is positioned and maintained.
  • the shell is supported by two or three spacers 6 holding the two metal sections of circular section apart constituting the cradle forming a base 1.
  • a substantially horizontal plate 1c is fixed to a first end 1a of the cradle, at the ends of the profiles serving both as a spacer and facilitating the retention of the shell on the spacers 6.
  • the thumb exerts pressure on the shell, and to do this the other fingers rest on the underside of this horizontal plate 1 c.
  • the clamp 3 seen in profile shows the total thickness of the clamp consisting of three thicknesses successively from 2 to 3 mm in food-grade stainless steel, the flange of the underside of the yoke 7 with rods 8, the branches 5 provided with the blade 4, the bottom flange of the yoke 7 with links 8.
  • the clamp 3 thus formed is inclined by about 30 ° relative to the horizontal plane on which the base 1 rests. This position facilitates the penetration of the blade into the hinge.
  • this hinge is not entirely on the approximate axis separating the shell into two parts. It is generally, especially for oysters, deported to the left, the device seen in plan. Consequently, the opening of the shell is facilitated by tilting the clamp about 30 ° and moving the shell slightly to the right. In this position, the pins 5a resting on the ramp 1b of the base make it possible to maintain the arched shell between the blade 4 and the spacers 6. Thus the effort required for the blade to penetrate the shell hinge is reduced.
  • Figure 2B is shown in a front view ramp side the seashell held on the base.
  • the shell rests on the interposed and indented spacers 6 conforming to the shape of the shell so as to absorb the force exerted by the blade produced by the clamping of the branches 5 of the clamp 3.
  • the device according to the invention constituted by the combination of a base 1 and a clamp 3 responds well to the objectives set: ease of use, security and inexpensive.
  • FIG. 2C illustrates a particular embodiment of the invention according to which, the cradle constituting the base 1 has in its first end 1a a stop 10, formed of a connecting piece connecting said first ends of said profiles and inclined towards said second end.
  • the shell 2 comes to bear against the stop 10 when the blade 4 is driven by the perforation means, or clamp 3 against the joint of the shell 2.

Abstract

The invention concerns a device for opening clamshells, in particular oysters. It comprises: a base (1) consisting of a longitudinal cradle, having a first end (1a) comprising a stop (10) and a second end (1b) comprising first catching means, a shell (2) being capable of being positioned between said two ends (1a, 1b) pressed against said stop (10); and perforating means (3) comprising a longitudinal blade (4), having one first end forming a pointed tip and means driving said blade (4) in translation, said driving means comprising second catching means (5a).

Description

Dispositif destiné à l'ouverture des coquillages bivalves tels que les huîtresDevice for opening bivalve shells such as oysters
La présente invention concerne un dispositif destiné à l'ouverture des coquillages bivalves et notamment mais non exclusivement les huîtres, les praires, les clams ou les coquilles Saint -Jacques.The present invention relates to a device intended for opening bivalve shells and in particular, but not exclusively, oysters, meadows, clams or Saint-Jacques shells.
L'ouverture de ces coquillages usuellement faite par des professionnels est difficile voire dangereuse lorsque pratiquée par des amateurs. Les amateurs de ces coquillages sont de plus en plus nombreux tant et si bien que toutes sortes de dispositifs ont vu le jour. Ces dispositifs font appel à des techniques variées dont les plus usitées consistent à faire en sorte que le coquillage s'entrouvre suffisamment pour qu'il soit possible d'introduire une lame de couteau pour couper le muscle liant les deux coquilles.The opening of these shells usually made by professionals is difficult or even dangerous when practiced by amateurs. The amateurs of these shells are more and more numerous so much so that all kinds of devices have emerged. These devices use a variety of techniques, the most common of which are to make the shell half-open enough so that it is possible to introduce a knife blade to cut the muscle connecting the two shells.
Pour ce faire certains dispositifs mettent en oeuvre un perçage d'une des coquilles permettant d'introduire une lame destinée à couper le muscle. D'autres dispositifs entrouvrent le coquillage sur le côté, ces dispositifs laissent en général des débris de coquilles qu'il faut enlever avant consommation.To do this, certain devices use a piercing of one of the shells making it possible to introduce a blade intended to cut the muscle. Other devices open the shell on the side, these devices generally leave shell debris that must be removed before consumption.
Il existe également des machines ou des installations originales réservées à des professionnels telles que appareil à dépression brutale ou machine hydraulique comportant un bâti sur lequel est monté un vérin muni d'un couteau (Brevet NICOLAS FR.A.2.542.596). L'ouverture du coquillage par la charnière ne laisse pas de débris mais l'effort nécessaire à son ouverture est très important, de sorte que cette technique est dangereuse notamment lorsque le coquillage n'est pas maintenu en place par un support quelconque indépendant. On ne retiendra de l'art antérieur que les dispositifs permettant l'ouverture du coquillage au niveau de la charnière, seuls susceptibles d'éviter les débris de coquille et plus particulièrement concernés par la présente invention. Afin de produire l'effort important nécessaire pour faire céder la charnière, les dispositifs de l'art antérieur analysés comportent le plus souvent une structure de maintien du coquillage combinée à un dispositif d'ouverture.There are also original machines or installations reserved for professionals such as a brutal vacuum device or a hydraulic machine comprising a frame on which is mounted a jack fitted with a knife (NICOLAS patent FR.A.2.542.596). The opening of the shell by the hinge does not leave debris but the effort required to open it is very large, so that this technique is dangerous especially when the shell is not held in place by any independent support. It will be retained from the prior art that the devices allowing the opening of the shell at the hinge, the only ones capable of avoiding shell debris and more particularly concerned with the present invention. In order to produce the significant effort necessary to cause the hinge to yield, the devices of the prior art analyzed most often comprise a shell-holding structure combined with an opening device.
La demande de brevet ACHART 95.14.534 décrit une structure de maintien constituée d'une pince à deux branches, le dispositif d'ouverture constitué d'un couteau à huîtres est articulé sur l'une des deux branches de la structure de maintien.The patent application ACHART 95.14.534 describes a holding structure consisting of a clamp with two branches, the opening device consisting of an oyster knife is articulated on one of the two branches of the holding structure.
Le brevet RICARD FR.A.2.717.668 décrit un réceptacle autobloqué sur lequel est maintenu le coquillage, un levier articulé sur ce réceptacle comporte une lame constituée d'un bec chargé de forcer le talon du coquillage.The RICARD patent FR.A.2.717.668 describes a self-locking receptacle on which the shell is held, a lever articulated on this receptacle comprises a blade consisting of a spout responsible for forcing the heel of the shell.
Le brevet MARQUIS FR.A.2.489.127 concerne un dispositif constitué d'un socle et d'un talon formant butée sur lequel est positionné le coquillage et d'un levier articulé sur ce socle par intermédiaire d'une branche de réglage. Le levier comporte un coin destiné à pénétrer entre les bords des coquilles et à les écarter.The MARQUIS patent FR.A.2.489.127 relates to a device consisting of a base and a heel forming an abutment on which the shell is positioned and of a lever articulated on this base by means of an adjustment branch. The lever has a wedge intended to penetrate between the edges of the shells and to separate them.
Le brevet RIEHM FR.A.2.432.289 décrit un bac formant support sur lequel sont fixés deux lamelles verticales et un poussoir à ressort destinés à maintenir le coquillage. Un levier articulé sur le bac est muni d'un couteau comportant une articulation sphérique destinée à faciliter son encastrement dans les deux coquilles.Patent RIEHM FR.A.2.432.289 describes a tray forming a support on which are fixed two vertical strips and a spring plunger intended to hold the shell. A lever articulated on the tank is provided with a knife comprising a spherical articulation intended to facilitate its embedding in the two shells.
Le brevet PIERSON FR.A.2.630.316 concerne un dispositif comportant une embase fixe dont les échancrures permettent de maintenir le coquillage en place et des fentes horizontales destinées à guider la lame d'un couteau équipé d'une garde de protection.The PIERSON patent FR.A.2.630.316 relates to a device comprising a fixed base, the notches of which allow the shell to be held in place and horizontal slots intended to guide the blade of a knife fitted with a protective guard.
Le brevet CHAILLOU FR.A.2.764.177 décrit un dispositif constitué d'un corps creux lié à une cage formant butée destinée à maintenir le coquillage, d'une lame guidée dans ledit corps et actionné axialement par un organe de type pince à deux branches permettant l'introduction de la lame dans le talon de façon à provoquer le déboîtement des deux coquilles. Les brevets LAVENTURE FR.A.463.601 et 2.484.813 concernent une pince dont une branche sert de butée, l'autre branche mobile est munie d'une pointe de couteau laquelle introduite dans le talon provoque l'ouverture du coquillage par action de la branche mobile de la pince. Le brevet LIEUTARD FR.A.2.758.449 décrit un dispositif constitué d'une pince dont une branche sert de butée l'autre branche est munie d'un coin destiné à s'introduire dans le talon du coquillage pour provoquer son ouverture par action sur la branche mobile de la pince.The CHAILLOU patent FR.A.2,764,177 describes a device consisting of a hollow body linked to a cage forming an abutment intended to hold the shell, of a blade guided in said body and actuated axially by a two-pinch type organ. branches allowing the introduction of the blade in the heel so as to cause the dislocation of the two shells. The LAVENTURE patents FR.A.463.601 and 2.484.813 relate to pliers, one branch of which serves as a stop, the other movable branch is provided with a knife point which, introduced into the heel, causes the shell to open by action movable branch of the clamp. Patent LIEUTARD FR.A.2,758,449 describes a device consisting of a clamp of which one branch serves as a stop, the other branch is provided with a wedge intended to be introduced into the heel of the shell to cause its opening by action on the movable branch of the pliers.
Tous ces dispositifs sont souvent complexes et ne procurent pas les résultats espérés c'est une des raisons pour lesquelles aucun de ces dispositifs ne s'est imposé au détriment des autres. Ils sont, en outre, chers et demandent une bonne expérience dans leur maniement.All these devices are often complex and do not provide the hoped-for results, which is one of the reasons why none of these devices has imposed itself at the expense of the others. They are also expensive and require good handling experience.
La présente invention se propose de pallier les inconvénients et lacunes de l'art antérieur évoqué ci-dessus. A cet effet, le dispositif destiné à l'ouverture des coquillages bivalves, notamment des huîtres, comprend : un socle constitué d'un berceau longitudinal, présentant une première extrémité comportant une butée et une seconde extrémité comportant des premiers moyens d'accrochage, un coquillage étant susceptible d'être disposé entre lesdites deux extrémités en appui contre ladite butée ; des moyens de perforation comportant une lame longitudinale présentant une première extrémité formant pointe et des moyens d'entraînement en translation de ladite lame, lesdits moyens d'entraînement comportant des deuxièmes moyens d'accrochage ; et lesdits moyens de perforation sont susceptibles d'être engagés dans ladite seconde extrémité du berceau, lesdits deuxièmes moyens d'accrochage coopérant avec lesdits premiers moyens d'accrochage pour immobiliser en translation dans des directions opposées lesdits moyens d'entraînement et ledit berceau, ladite première extrémité formant pointe de ladite lame étant disposée contre ledit coquillage qui est lui-même en appui contre ladite butée, de façon que la commande des moyens d'entraînement insère à force ladite lame dans ledit coquillage, par quoi les deux valves sont au moins partiellement désolidarisées.The present invention proposes to overcome the drawbacks and shortcomings of the prior art mentioned above. To this end, the device intended for the opening of bivalve shells, in particular oysters, comprises: a base consisting of a longitudinal cradle, having a first end comprising a stop and a second end comprising first hooking means, a shell being capable of being disposed between said two ends in abutment against said stop; perforation means comprising a longitudinal blade having a first end forming a point and means for driving in translation of said blade, said drive means comprising second attachment means; and said perforation means are capable of being engaged in said second end of the cradle, said second attachment means cooperating with said first attachment means to immobilize in translation in opposite directions said drive means and said cradle, said first tip end of said blade being disposed against said shell which is itself in abutment against said stopper, so that the control of the drive means forcibly inserts said blade into said shell, whereby the two valves are at least partially separated.
Ainsi, le dispositif selon l'invention, destiné à l'ouverture des coquillages bivalves tels que huîtres comporte en combinaison un socle formant butée sur lequel est maintenu le coquillage et des moyens de perforation, ou pince, munis d'une lame s'appuyant sur le socle, destinée à écarter les coquilles. Ce dispositif est caractérisé en ce que le socle formant butée est constitué d'un berceau dont la première extrémité, ou côté, sert à maintenir le coquillage en position et dont la seconde extrémité, ou l'autre côté, comporte des premiers moyens d'accrochage servant d'appui aux deuxièmes moyens d'accrochage de la pince munie de la lame pour permettre à ladite lame de se déplacer axialement et pénétrer entre les coquilles au niveau de la charnière lorsque les moyens d'entraînement de la pince sont actionnés. De façon particulièrement avantageuse, ledit berceau longitudinal comporte deux profilés rigides, présentant chacun une première extrémité et une deuxième extrémité, lesdits profilés étant maintenus sensiblement parallèles entre eux par des entretoises, les premières et les deuxièmes extrémités respectivement en regard l'une de l'autre, la partie médiane desdits profilés définissant un plan moyen.Thus, the device according to the invention, intended for the opening of bivalve shells such as oysters comprises in combination a base forming an abutment on which the shell is held and perforation means, or pliers, provided with a blade resting on the base, intended to spread the shells. This device is characterized in that the base forming a stop consists of a cradle whose first end, or side, serves to hold the shell in position and whose second end, or the other side, comprises first means of attachment serving as support for the second attachment means of the clamp provided with the blade to allow said blade to move axially and penetrate between the shells at the hinge when the forceps for driving the clamp are actuated. In a particularly advantageous manner, said longitudinal cradle comprises two rigid sections, each having a first end and a second end, said sections being held substantially parallel to one another by spacers, the first and second ends respectively facing one of the other, the middle part of said sections defining a mean plane.
Ainsi, le socle formant butée est constitué d'un berceau réalisé à l'aide de deux profilés rigides métalliques de section circulaire maintenus écartés par au moins deux entretoises constituées de tôles échancrées et dentées destinées à maintenir le coquillage en position et servant de butée sur l'un des côtés du berceau lorsque la lame de la pince est introduite dans la charnière du coquillage de façon à réalisé l'arc- boutement du coquillage entre les entretoises et la lame pénétrant dans la charnière lorsque lesdits moyens d'entraînement sont actionnés.Thus, the base forming a stop consists of a cradle produced using two rigid metal profiles of circular section kept apart by at least two spacers made of scalloped and toothed sheets intended to hold the shell in position and serving as a stop on one of the sides of the cradle when the blade of the pliers is inserted into the hinge of the shell so as to effect the arching of the shell between the spacers and the blade penetrating into the hinge when said drive means are actuated.
Selon un mode particulier de mise en œuvre de l'invention, lesdits premiers moyens d'accrochage sont formés par les deux deuxièmes extrémités desdits profilés, recourbées d'un même côté dudit plan moyen, vers lesdites premières extrémités desdits profilés.According to a particular embodiment of the invention, said first attachment means are formed by the second two ends of said profiles, curved on the same side of said mean plane, towards said first ends of said profiles.
Ainsi, les profilés rigides métalliques de section circulaire maintenus écartés par des entretoises servant d'appui, sur l'autre côté du berceau, aux deuxièmes moyens d'accrochage, constituent une rampe de forme arrondie servant à positionner la pince, ou moyens de perforation, de façon à réaliser l'arc-boutement du coquillage entre les entretoises de la lame pénétrant dans la charnière lorsque lesdits moyens d'entraînement sont actionnés. Préférentiel lement, ladite butée est formée d'une pièce de liaison reliant lesdites premières extrémités desdits profilés et inclinée vers ladite seconde extrémité.Thus, the rigid metal profiles of circular section kept apart by spacers serving as support, on the other side of the cradle, to the second attachment means, constitute a ramp of rounded shape used to position the clamp, or perforation means , so as to achieve the buttressing of the shell between the spacers of the blade penetrating the hinge when said drive means are actuated. Preferably, said abutment is formed of a connecting piece connecting said first ends of said sections and inclined towards said second end.
De la sorte, l'extrémité de la rampe comportant la pièce de liaison formée d'une plaque de tôle sensiblement horizontale sert à la fois d'entretoise et à faciliter le maintien en position du coquillage sur les entretoises, le pouce posé sur le coquillage, les autres doigts s'appuyant sur la face inférieure de la plaque de tôle.In this way, the end of the ramp comprising the connecting piece formed by a substantially horizontal sheet metal plate serves both as a spacer and to facilitate the holding in position of the shell on the spacers, the thumb placed on the shell , the other fingers resting on the underside of the sheet metal plate.
Selon un autre mode particulier de mise en œuvre de l'invention, lesdits moyens d'entraînement comprennent : des moyens de guidage de ladite lame présentant une extrémité de travail et une extrémité de commande, ladite première extrémité de la lame formant pointe étant susceptible de faire saillie de ladite extrémité de travail et la seconde extrémité de la lame étant susceptible de faire saillie de ladite extrémité de commande ; deux branches dont chacune des premières extrémités est montée articulée de chaque côté desdits moyens de guidage, susceptibles de pivoter l'une vers l'autre et vers ladite extrémité de commande ; et, deux biellettes dont les premières extrémités sont montées pivotantes sur ladite seconde extrémité de la lame et dont chacune des secondes extrémités est montée articulée sur une branche de façon que lesdites biellettes forment un angle supérieur à 90° avec ladite lame, et un angle inférieur à 180° entre elles. Avantageusement, lesdits deuxièmes moyens d'accrochage sont constitués de deux ergots prolongeant respectivement lesdites premières extrémités desdites deux branches dans des direction opposées l'une de l'autre de façon à faire saillie dans le pourtour desdits moyens de guidage.According to another particular embodiment of the invention, said drive means comprise: means for guiding said blade having a working end and a control end, said first end of the blade forming a point being capable of projecting from said working end and the second end of the blade being capable of projecting from said control end; two branches, each of the first ends of which is articulated on each side of said guide means, capable of pivoting towards one another and towards said control end; and, two links, the first ends of which are pivotally mounted on said second end of the blade and each of the second ends of which is articulated on a branch so that said links form an angle greater than 90 ° with said blade, and a lower angle 180 ° between them. Advantageously, said second attachment means consist of two lugs respectively extending said first ends of said two branches in opposite directions from one another so as to project into the periphery of said guide means.
Ainsi, selon cette autre caractéristique, la pince, ou moyen de perforation comprenant la lame et les moyens d'entraînement, est constituée de deux branches mobiles comportant sur chacune de ces branches un ergot permettant à la branche de s'appuyer sur la rampe de forme arrondie du socle.Thus, according to this other characteristic, the clamp, or perforation means comprising the blade and the drive means, consists of two movable branches comprising on each of these branches a lug allowing the branch to rest on the ramp rounded shape of the base.
Préférentiel lement, les branches de la pince sont insérés et articulées en rotation chacune selon un axe au niveau des ergots dans les moyens de guidage, ou chape, servant de guide et de butée à la lame.Preferably, the arms of the clamp are inserted and articulated in rotation each along an axis at the level of the pins in the guide means, or yoke, serving as a guide and as a stop for the blade.
Ainsi, la lame, guidée dans la chape, comporte les deux biellettes articulées de part et d'autre de la lame et sur chacune des branches de la pince de façon qu'au serrage des branches ladite lame se déplace axialement laquelle introduite dans la charnière du coquillage y pénètre en formant coin et provoque l'ouverture du coquillage.Thus, the blade, guided in the yoke, comprises the two articulated links on either side of the blade and on each of the arms of the clamp so that when the arms are clamped, said blade moves axially which introduced into the hinge shell enters it forming a corner and causes the opening of the shell.
Selon une caractéristique avantageuse, lesdits moyens de guidage comportent de chaque côté une butée limitant l'ouverture desdites deux branches. De la sorte, la chape comporte de chaque côté de la lame une butée limitant l'ouverture des branches de la pince de façon que la lame soit apparente et permette l'introduction de la lame dans la charnière du coquillage. Préférentiellement, lesdits moyens de perforation comprennent des moyens élastiques susceptibles d'écarter les deux branches l'une de l'autre. Selon une variante de réalisation un ressort s'appuyant sur les biellettes et sur l'extrémité de la chape, ou moyens de guidage, maintient les branches de la pince ouvertes. Par ailleurs, de façon particulièrement avantageuse, toutes les pièces constituant le dispositif sont métalliques réalisées en acier inoxydable de qualité alimentaire.According to an advantageous characteristic, said guide means comprise on each side a stop limiting the opening of said two branches. In this way, the yoke comprises on each side of the blade a stop limiting the opening of the branches of the clamp so that the blade is visible and allows the introduction of the blade in the hinge of the shell. Preferably, said perforation means comprise elastic means capable of separating the two branches from one another. According to an alternative embodiment, a spring resting on the rods and on the end of the yoke, or guide means, keeps the branches of the clamp open. Furthermore, in a particularly advantageous manner, all the parts constituting the device are metallic made of food-grade stainless steel.
Ainsi le dispositif selon l'invention utilise un berceau pour positionner et maintenir le coquillage. Ce berceau sert en outre de support à une pince dotée de lame.Thus the device according to the invention uses a cradle to position and maintain the seashell. This cradle also serves as a support for pliers with a blade.
Avant de positionner le coquillage sur le berceau, la lame de la pince est introduite au niveau de la charnière du coquillage. Le coquillage est positionné sur le berceau, les ergots des branches de la pince s'appuient sur la rampe du berceau. En fermant les branches de la pince, la lame formant coin pénètre dans le coquillage et fait céder la charnière. Il suffit alors de saisir le coquillage d'une main et de l'autre de maintenir fermées les deux branches de la pince pour utiliser la lame pour sectionner le muscle liant les deux coquilles. Ainsi le coquillage est ouvert par la charnière et ne laisse aucun débris à l'intérieur. L'effort à produire est relativement faible. Il n'y a pas de risque de blessure.Before positioning the shell on the cradle, the pliers blade is inserted at the hinge of the shell. The shell is positioned on the cradle, the lugs of the pliers' branches rest on the ramp of the cradle. By closing the arms of the pliers, the wedge blade penetrates into the shell and causes the hinge to yield. It is then enough to grasp the shell with one hand and with the other to keep closed the two branches of the forceps to use the blade to cut the muscle connecting the two shells. Thus the shell is opened by the hinge and leaves no debris inside. The effort required is relatively low. There is no risk of injury.
Le disipositif selon l'invention répond bien aux buts fixés.The device according to the invention responds well to the goals set.
D'autres caractéristiques et avantages apparaîtront mieux à la lecture de la description qui va suivre d'un mode de réalisation du dispositif selon l'invention donné à titre illustratif non limitatif en regard des dessins annexés sur lesquels :Other characteristics and advantages will appear better on reading the following description of an embodiment of the device according to the invention given by way of nonlimiting illustration with reference to the appended drawings in which:
- la figure 1A est une vue schématique en plan de la pince, branches ouvertes,FIG. 1A is a schematic plan view of the clamp, open branches,
- la figure 1 B présente la pince, branches fermées, - la figure 2A est une vue schématique de côté du dispositif conforme à l'invention ;- Figure 1B shows the clamp, closed branches, - Figure 2A is a schematic side view of the device according to the invention;
- la figure 2B est une vue schématique de face du coquillage maintenu sur socle sans la pince ; et,- Figure 2B is a schematic front view of the seashell held on the base without the clamp; and,
- la figure 2C est une vue schématique de côté du dispositif conforme à l'invention selon un mode particulier de réalisation. Sur la figure 1A on montre selon la vue schématique en plan la pince 3 en position 5 ouvertes. Chacune des branches comporte d'un côté une partie inférieure 5c permettant leur préhension et à l'autre extrémité un ergot 5a destiné à l'accrochage de la pince sur le berceau support du coquillage. Les branches sont liées entre elles par une chape 7 constituée de deux flasques enserrant dessus et dessous les branches, lesquelles sont articulées en rotation chacune selon un axe 7a liant en outre les deux flasques de la chape 7. Une lame 4 coulisse entre les flasques de la chape, le déplacement de la lame est engendrée par deux biellettes 8 articulées en rotation par un axe commun 4a au niveau de la lame et par un axe 5b au niveau de chaque branche 5. Un ressort 9 est placé entre la chape 7 et les biellettes 8 au niveau de leur axe commun 4a. Des butées arrières 7b limitent le mouvement de la lame 4 et l'ouverture des branches 5. On montre sur la figure 1 B la pince 3, branches 5 fermées, le ressort 9 comprimé. Les parties inférieures 5c des branches sont jointives. Bien que non représenté un revêtement insère les parties inférieures 5c des branches à la manière du manche d'un couteau afin de faciliter les manoeuvres des branches 5. La lame 4 est en position sortie. L'amplitude du déplacement est de l'ordre de 25 à 30 mm, ce qui est suffisant pour faire céder la charnière. La lame déployée mesure environ 60 mm, liant les deux coquilles, ce qui permet de sectionner le muscle.- Figure 2C is a schematic side view of the device according to the invention according to a particular embodiment. In Figure 1A is shown according to the schematic plan view the clamp 3 in position 5 open. Each of the branches comprises on one side a lower part 5c allowing their gripping and at the other end a lug 5a intended for the attachment of the clamp on the support cradle of the shell. The branches are linked together by a yoke 7 consisting of two flanges enclosing above and below the branches, which are articulated in rotation each along an axis 7a further connecting the two flanges of the yoke 7. A blade 4 slides between the flanges of the yoke, the movement of the blade is generated by two rods 8 articulated in rotation by a common axis 4a at the level of the blade and by an axis 5b at each branch 5. A spring 9 is placed between the yoke 7 and the rods 8 at their common axis 4a. Rear stops 7b limit the movement of the blade 4 and the opening of the branches 5. FIG. 1B shows the clamp 3, branches 5 closed, the spring 9 compressed. The lower parts 5c of the branches are joined. Although not shown, a coating inserts the lower parts 5c of the branches in the manner of the handle of a knife in order to facilitate the maneuvers of the branches 5. The blade 4 is in the extended position. The amplitude of the movement is of the order of 25 to 30 mm, which is sufficient to yield the hinge. The deployed blade measures approximately 60 mm, connecting the two shells, which makes it possible to cut the muscle.
On montre selon une vue schématique 2A de côté le dispositif selon l'invention constitué du berceau formant socle 1 sur lequel est positionné et maintenu le coquillage 2. Le coquillage est supporté par deux ou trois entretoises 6 maintenant écartés les deux profilés métalliques de section circulaire constituant le berceau formant socle 1. Une plaque sensiblement horizontale 1c est fixée sur une première extrémité 1a du berceau, aux extrémités des profilés servant à la fois d'entretoise et facilitant le maintien du coquillage sur les entretoises 6. Le pouce exerce une pression sur le coquillage, et pour ce faire les autres doigts s'appuient sur la face inférieure de cette plaque horizontale 1 c.The device according to the invention is shown in a diagrammatic view 2A from the side, consisting of the cradle forming a base 1 on which the shell 2 is positioned and maintained. The shell is supported by two or three spacers 6 holding the two metal sections of circular section apart constituting the cradle forming a base 1. A substantially horizontal plate 1c is fixed to a first end 1a of the cradle, at the ends of the profiles serving both as a spacer and facilitating the retention of the shell on the spacers 6. The thumb exerts pressure on the shell, and to do this the other fingers rest on the underside of this horizontal plate 1 c.
La pince 3 vue de profil montre l'épaisseur totale de la pince constituée de trois épaisseurs successivement de 2 à 3 mm en acier inoxydable de qualité alimentaire, le flasque de dessous de la chape 7 avec des biellettes 8, les branches 5 munies de la lame 4, le flasque de dessous de la chape 7 avec des biellettes 8.The clamp 3 seen in profile shows the total thickness of the clamp consisting of three thicknesses successively from 2 to 3 mm in food-grade stainless steel, the flange of the underside of the yoke 7 with rods 8, the branches 5 provided with the blade 4, the bottom flange of the yoke 7 with links 8.
La pince 3 ainsi constituée est inclinée d'environ 30° par rapport au plan horizontal sur lequel repose le socle 1. Cette position facilite la pénétration de la lame dans la charnière.The clamp 3 thus formed is inclined by about 30 ° relative to the horizontal plane on which the base 1 rests. This position facilitates the penetration of the blade into the hinge.
En outre cette charnière n'est pas tout à fait sur l'axe approximatif séparant le coquillage en deux parties. Elle est en général, notamment pour les huîtres, déportée vers la gauche, le dispositif vu en plan. En conséquence l'ouverture du coquillage est facilitée en inclinant la pince de 30° environ et en déplaçant le coquillage légèrement vers la droite. Dans cette position les ergots 5a s'appuyant sur la rampe 1b du socle permettent de maintenir le coquillage arc-bouté entre la lame 4 et les entretoises 6. Ainsi l'effort nécessaire pour que la lame pénètre dans la charnière du coquillage est réduit. Sur la figure 2B on montre selon une vue de face côté rampe le coquillage maintenu sur le socle. Le coquillage repose sur les entretoises 6 dentrées et échancrées apousant la forme du coquillage de façon à encaisser la force exercée par la lame produite par le serrage des branches 5 de la pince 3. Le dispositif selon l'invention constitué par la combinaison d'un socle 1 et d'une pince 3 répond bien aux objectifs fixés : facilité d'emploi, sécurité et peu onéreux.In addition, this hinge is not entirely on the approximate axis separating the shell into two parts. It is generally, especially for oysters, deported to the left, the device seen in plan. Consequently, the opening of the shell is facilitated by tilting the clamp about 30 ° and moving the shell slightly to the right. In this position, the pins 5a resting on the ramp 1b of the base make it possible to maintain the arched shell between the blade 4 and the spacers 6. Thus the effort required for the blade to penetrate the shell hinge is reduced. In Figure 2B is shown in a front view ramp side the seashell held on the base. The shell rests on the interposed and indented spacers 6 conforming to the shape of the shell so as to absorb the force exerted by the blade produced by the clamping of the branches 5 of the clamp 3. The device according to the invention constituted by the combination of a base 1 and a clamp 3 responds well to the objectives set: ease of use, security and inexpensive.
La figure 2C illustre un mode particulier de réalisation de l'invention selon lequel, le berceau constituant le socle 1 présente dans sa première extrémité 1a une butée 10, formée d'une pièce de liaison reliant lesdites premières extrémités desdits profilés et inclinée vers ladite seconde extrémité. De la sorte, le coquillage 2 vient en appui contre la butée 10 lorsque la lame 4 est entraînée par les moyens de perforation, ou pince 3 contre la jointure du coquillage 2.FIG. 2C illustrates a particular embodiment of the invention according to which, the cradle constituting the base 1 has in its first end 1a a stop 10, formed of a connecting piece connecting said first ends of said profiles and inclined towards said second end. In this way, the shell 2 comes to bear against the stop 10 when the blade 4 is driven by the perforation means, or clamp 3 against the joint of the shell 2.
En outre, on comprend que la position de la lame 4 est susceptible d'être adaptée à la forme du coquillage, grâce à la forme recourbée de la seconde extrémité du berceau. De plus, les deuxième moyens d'accrochage étant en appui contre la seconde extrémité recourbée, ils sont aisément désolidarisâmes du berceau dès que cesse l'effort sur les moyens d'entraînement. Les modifications susceptibles d'être apportées par l'homme de l'art au dispositif décrit ci-dessus qui, sans en altérer les dispositions originales, n'en seraient que de simples équivalents techniques, entrent également dans le cadre de la présente invention. In addition, it is understood that the position of the blade 4 may be adapted to the shape of the shell, thanks to the curved shape of the second end of the cradle. In addition, the second attachment means being in abutment against the second curved end, they are easily detached from the cradle as soon as the effort on the drive means ceases. The modifications likely to be made by those skilled in the art to the device described above which, without altering the original provisions, would only be simple technical equivalents, also fall within the scope of the present invention.

Claims

REVENDICATIONS
1. Dispositif destiné à l'ouverture des coquillages bivalves, notamment des huîtres, caractérisé en ce qu'il comprend :1. Device intended for the opening of bivalve shells, in particular oysters, characterized in that it comprises:
- un socle (1 ) constitué d'un berceau longitudinal, présentant une première extrémité (1a) comportant une butée (10) et une seconde extrémité (1b) comportant des premiers moyens d'accrochage, un coquillage (2) étant susceptible d'être disposé entre lesdites deux extrémités (1a, 1b) en appui contre ladite butée (10) ;- a base (1) consisting of a longitudinal cradle, having a first end (1a) comprising a stop (10) and a second end (1b) comprising first hooking means, a shell (2) being capable of be disposed between said two ends (1a, 1b) bearing against said stop (10);
- des moyens de perforation (3) comportant une lame longitudinale (4) présentant une première extrémité formant pointe et des moyens d'entraînement en translation (5, 7, 8) de ladite lame (4), lesdits moyens d'entraînement (5, 7, 8) comportant des deuxièmes moyens d'accrochage (5a); et en ce que, lesdits moyens de perforation (3) sont susceptibles d'être engagés dans ladite seconde extrémité du berceau (1b), lesdits deuxièmes moyens d'accrochage (5a) coopérant avec lesdits premiers moyens d'accrochage (1 b) pour immobiliser en translation dans des directions opposées lesdits moyens d'entraînement (5, 7, 8) et ledit berceau, ladite première extrémité formant pointe de ladite lame (4) étant disposée contre ledit coquillage (2) qui est lui-même en appui contre ladite butée (10), de façon que la commande des moyens d'entraînement (5, 7, 8) insère à force ladite lame (4) dans ledit coquillage (2), par quoi les deux valves sont au moins partiellement désolidarisées.- perforation means (3) comprising a longitudinal blade (4) having a first end forming a point and means for translational drive (5, 7, 8) of said blade (4), said drive means (5 , 7, 8) comprising second attachment means (5a); and in that, said perforation means (3) are capable of being engaged in said second end of the cradle (1b), said second attachment means (5a) cooperating with said first attachment means (1b) for immobilizing in translation in opposite directions said drive means (5, 7, 8) and said cradle, said first tip end of said blade (4) being disposed against said shell (2) which is itself pressed against said stop (10), so that the control of the drive means (5, 7, 8) forcibly inserts said blade (4) into said shell (2), whereby the two valves are at least partially separated.
2. Dispositif destiné à l'ouverture des coquillages bivalves selon la revendication 1 , caractérisé en ce que ledit berceau longitudinal comporte deux profilés rigides, présentant chacun une première extrémité et une deuxième extrémité, lesdits profilés étant maintenus sensiblement parallèles entre eux par des entretoises, les premières et les deuxièmes extrémités respectivement en regard l'une de l'autre, la partie médiane desdits profilés définissant un plan moyen.2. Device for opening bivalve shells according to claim 1, characterized in that said longitudinal cradle comprises two rigid sections, each having a first end and a second end, said sections being held substantially parallel to one another by spacers, the first and second ends respectively opposite one another, the middle part of said sections defining a mean plane.
3. Dispositif destiné à l'ouverture des coquillages bivalves selon la revendication 2, caractérisé en ce que lesdits premiers moyens d'accrochage (1b) sont formés par les deux deuxièmes extrémités desdits profilés, recourbées d'un même côté dudit plan moyen, vers lesdites premières extrémités desdits profilés.3. Device for the opening of bivalve shells according to claim 2, characterized in that said first hooking means (1b) are formed by the two second ends of said sections, curved on the same side of said mean plane, towards said first ends of said sections.
4. Dispositif destiné à l'ouverture des coquillages bivalves selon la revendication 2 ou 3, caractérisé en ce que ladite butée (10) est formée d'une pièce de liaison reliant lesdites premières extrémités desdits profilés et inclinée vers ladite seconde extrémité (1b).4. Device for opening bivalve shells according to claim 2 or 3, characterized in that said stop (10) is formed of a connecting piece connecting said first ends of said profiles and inclined towards said second end (1b) .
5. Dispositif destiné à l'ouverture des coquillages bivalves selon l'une quelconque des revendications 1 à 4, caractérisé en ce que lesdits moyens d'entraînement comprennent : - des moyens de guidage (7) de ladite lame (4) présentant une extrémité de travail et une extrémité de commande, ladite première extrémité de la lame formant pointe étant susceptible de faire saillie de ladite extrémité de travail et la seconde extrémité de la lame étant susceptible de faire saillie de ladite extrémité de commande ; - deux branches (5c) dont chacune des premières extrémités est montée articulée de chaque côté desdits moyens de guidage, susceptibles de pivoter l'une vers l'autre et vers ladite extrémité de commande ; et,5. Device for opening bivalve shells according to any one of claims 1 to 4, characterized in that said drive means comprise: - guide means (7) of said blade (4) having one end working and a control end, said first end of the tip blade being capable of projecting from said working end and the second end of the blade being capable of projecting from said control end; - Two branches (5c), each of the first ends of which is articulated on each side of said guide means, capable of pivoting towards one another and towards said control end; and,
- deux biellettes (8) dont les premières extrémités sont montées pivotantes sur ladite seconde extrémité de la lame (4a) et dont chacune des secondes extrémités est montée articulée sur une branche de façon que lesdites biellettes (8) forment un angle supérieur à 90° avec ladite lame (4), et un angle inférieur à 180° entre elles.- two links (8) whose first ends are pivotally mounted on said second end of the blade (4a) and each of whose second ends is hinged on a branch so that said links (8) form an angle greater than 90 ° with said blade (4), and an angle less than 180 ° therebetween.
6. Dispositif destiné à l'ouverture des coquillages bivalves selon la revendication 5, caractérisé en ce que lesdits deuxièmes moyens d'accrochage (5a) sont constitués de deux ergots prolongeant respectivement lesdites premières extrémités desdites deux branches (5c) dans des direction opposées l'une de l'autre de façon à faire saillie dans le pourtour desdits moyens de guidage (7).6. Device for opening bivalve shells according to claim 5, characterized in that said second attachment means (5a) consist of two lugs extending respectively said first ends of said two branches (5c) in opposite directions from one another so as to project into the periphery of said guide means (7).
7. Dispositif destiné à l'ouverture des coquillages bivalves selon la revendication 5 ou 6, caractérisé en ce que lesdits moyens de guidage7. Device for the opening of bivalve shells according to claim 5 or 6, characterized in that said guide means
(7) comportent de chaque côté une butée limitant l'ouverture desdites deux branches.(7) have on each side a stop limiting the opening of said two branches.
8. Dispositif destiné à l'ouverture des coquillages bivalves selon l'une quelconque des revendications 5 à 7, caractérisé en ce que lesdits moyens de perforation (3) comprennent des moyens élastiques (9) susceptibles d'écarter les deux branches (5c) l'une de l'autre.8. Device for the opening of bivalve shells according to any one of claims 5 to 7, characterized in that said perforation means (3) comprise elastic means (9) capable of spreading the two branches (5c) one from the other.
9. Dispositif destiné à l'ouverture des coquillages bivalves selon l'une quelconque des revendications 1 à 8, caractérisé en ce que toutes les pièces constituant le dispositif sont métalliques réalisées en acier inoxydable de qualité alimentaire. 9. Device for opening bivalve shells according to any one of claims 1 to 8, characterized in that all the parts constituting the device are metallic made of food grade stainless steel.
EP01904034A 2000-02-02 2001-02-02 Device for opening clamshells such as oysters Withdrawn EP1253840A1 (en)

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FR0001306A FR2804307B1 (en) 2000-02-02 2000-02-02 DEVICE FOR OPENING BIVALVE SHELLS SUCH AS OYSTERS
FR0001306 2000-02-02
PCT/FR2001/000317 WO2001056433A1 (en) 2000-02-02 2001-02-02 Device for opening clamshells such as oysters

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FR1203045A (en) * 1958-05-22 1960-01-14 Instant and automatic oyster opening device
FR1261971A (en) * 1960-04-13 1961-05-26 Process for opening structures with shells or scales, including fruits and crustaceans, and the resulting manual devices
FR2432289A1 (en) 1978-08-02 1980-02-29 Riehm Eugene Oyster opener screwed on table - has trough containing side and top grips, with knife mounted on lever
FR2484813A2 (en) 1980-06-23 1981-12-24 Laventure Daniel Tool for opening oysters - has main adjustable position handle and swing handle with blade fitting between shells
FR2489127B1 (en) 1980-08-26 1986-05-23 Marquis Joseph DEVICE FOR OPENING MOLLUSCS ATTACHABLE TO A SUPPORT
FR2542596A1 (en) 1983-03-18 1984-09-21 Nicolas Rene Hydraulic machine for opening oysters
FR2630316A1 (en) 1988-04-22 1989-10-27 Pierson Leo Device designed for opening shellfish and, more particularly, oysters
FR2717668B1 (en) 1994-03-24 1996-04-26 Pierre Ricard Shell openers.
FR2758449A1 (en) 1997-01-21 1998-07-24 Marie France Lieutard Manual device for opening oysters
FR2758961B1 (en) * 1997-02-06 1999-04-30 Alain Briant APPARATUS FOR EASY OPENING OF BIVALVES, ESPECIALLY OYSTERS
FR2764177B3 (en) 1997-06-10 1999-08-20 Claude Chaillou DEVICE FOR OPENING SHELLS WITH TWO VALVES, SUCH AS OYSTERS, PRAIRES AND THE LIKE
FR2784565B1 (en) * 1998-10-16 2000-12-29 Alain Robert Melanie Ma Cheret DEVICE FOR OPENING OYSTERS

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Title
See references of WO0156433A1 *

Also Published As

Publication number Publication date
FR2804307A1 (en) 2001-08-03
FR2804307B1 (en) 2002-09-27
WO2001056433A1 (en) 2001-08-09
AU2001231962A1 (en) 2001-08-14
US20030013400A1 (en) 2003-01-16

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