baber/WOPTO huggingface dataset:
Patent FR-2613306-A1 (FR)
Title: Linking device forming a passage corridor between two railway carriages, particularly very wide carriages
Inventor: MORIN ALAIN
IPC: B61D17/22
Filed: 1987-04-03
Abstract: Device characterised in that it comprises at the end 10 of each carriage a vertical frame 12 whose outline corresponds substantially to the cross sectional shape of a carriage, which is rotationally mounted about a mean vertical axis 14 on the end 10 of the carriage and is fitted with a peripheral tubular bead 16 made from an elastically deformable material such as rubber, fixed to the face of the frame 12 pointing towards the other carriage, and flexible means 18 forming a sealed annular wall between the frame 12 and the end 10 of the carriage. Application particularly to very wide railway carriages.
Patent FR-2612957-A1 (FR)
Title: Clothes drier
IPC: D06F57/08
Filed: 1987-03-27
Abstract: The clothes drier is noteworthy in that it has a spreading element in the form of a rigid frame mounted pivotally in its middle zone with respect to a folding support 3, with the possibility of locking the said element with respect to the support in numerous desired angular positions.
Patent FR-2596825-A1 (FR)
Title: Piece de fixation a emboitement quart de tour, notamment pour relier amoviblement un panneau a un support
Inventor: FUCCI JOSEPH G
IPC: F16B21/02
Filed: 1987-04-06
Abstract: UNE PIECE DE FIXATION QUART DE TOUR 10, DEVANT ETRE RELIEE SELECTIVEMENT A UN ELEMENT DE SUPPORT 58 PAR L'INTERMEDIAIRE D'UN TROU 62, PRESENTE UN CORPS COMPRENANT UNE TETE 12 ET UNE TIGE RIGIDE 24 ALLONGEE AXIALEMENT. DES LAMELLES ELASTIQUES 32 DEPASSENT RADIALEMENT VERS L'EXTERIEUR DE LA TIGE. CES LAMELLES PEUVENT FLECHIR AISEMENT VERS LA TETE 12, MAIS OPPOSENT UNE RESISTANCE NOTABLE AU FLECHISSEMENT A L'OPPOSE DE CETTE TETE. DES PARTIES DE BUTEE 46 EN FORME D'AILETTES ESPACEES CIRCONFERENTIELLEMENT DES LAMELLES 32 SONT RELIEES A LA TIGE 24 POUR CENTRER LA PIECE DE FIXATION 10 DANS LE TROU 62, ET POUR LIMITER SA ROTATION AUTOUR DE L'AXE DE LA TIGE A UNE SEULE ET UNIQUE DIRECTION PREDETERMINEE.
Patent FR-2613661-A1 (FR)
Inventor: GLEMET MICHEL
IPC: B29C48/07
Filed: 1987-04-09
Abstract: The invention is a process for the manufacture of sections of thermoplastic resin reinforced with continuous fibers and the equipment for carrying out the process. The process consists of coating rovings, having their fibers previously arranged in the form of a sheet, in a coating zone fed with a molten thermoplastic, then, to ensure impregnation of each of the fibers of the rovings, the coated rovings are passed into a forced impregnation zone prior to passing into the channel for shaping the final product.
Patent FR-2614008-A1 (FR)
Title: Dispositif de conditionnement pour produits d'alimentation humaine, notamment du type presentant une texture solide ou hautement visqueuse
Inventor: MITREAU PHILIPPE
IPC: B65D85/72
Filed: 1987-04-17
Abstract: DISPOSITIF DE CONDITIONNEMENT POUR PRODUITS D'ALIMENTATION HUMAINE, NOTAMMENT DU TYPE PRESENTANT UNE TEXTURE SOLIDE OU HAUTEMENT VISQUEUSE, PRESENTES EN PORTIONS OU PARTS INDIVIDUELLES, COMPRENANT UNE PLURALITE DE CONTENEURS ASSOCIES POUR FORMER UN " REGROUPEMENT ". CHAQUE PART OU PORTION EST ENVELOPPEE, INDIVIDUELLEMENT, SUR AU MOINS UNE PARTIE DE SA SURFACE LATERALE PAR UN CONTENANT 11 EVENTUELLEMENT MUNI D'UN COUVERCLE ET EN CE QUE AUXDITS CONTENANTS EST ASSOCIE EN COMBINAISON UN PLATEAU-SUPPORT 10 MENAGEANT DES ZONES PRE-ETABLIES DE RECEPTION 13 DE CHACUNE DESDITES PARTS OU PORTIONS ET DE LEUR CONTENANT ET DES MOYENS DE FORME CONJUGUEE DE CELLE DE CHAQUE CONTENANT POUR LE POSITIONNEMENT ET LE MAINTIEN DE CELUI-CI JUSQU'A L'UTILISATION D'UNE PART OU PORTION.
Patent FR-2615181-A1 (FR)
Title: Procede de soutirage des eaux minerales riches en acide carbonique
Inventor: SADIKOV YAKOV SAMOILOVICH
IPC: B67C3/10
Filed: 1987-05-15
Abstract: LE PROCEDE DE SOUTIRAGE DES EAUX MINERALES RICHES EN ACIER CARBONIQUE CONSISTE, AVANT LE REMPLISSAGE EN EAU MINERALE D'UN RECIPIENT, A ELIMINER L'AIR DE CE RECIPIENT JUSQU'A UNE PRESSION MAXIMUM RESIDUELLE DE 150 PA, A REMPLIR LE RECIPIENT DE DIOXYDE DE CARBONE GAZEUX JUSQU'A UNE PRESSION DE 0,1 A 0,3 MPA ET A Y ADMETTRE DE L'EAU MINERALE SATUREE PAR DU DIOXYDE DE CARBONE JUSQU'A UNE VALEUR ASSURANT UNE PRESSION PARTIELLE DU DIOXYDE DE CARBONE DANS LE RECIPIENT QUI SOIT COMPRISE ENTRE 0,5 ET 1,2 MPA. APPLICATION AU SOUTIRAGE DES EAUX MINERALES POUR L'INDUSTRIE ALIMENTAIRE OU LES UTILISATIONS MEDICALES.
Patent FR-2616192-A1 (FR)
Title: Valve with a rotary plug
Inventor: ROLLOT ANDRE
IPC: F16K1/226
Filed: 1987-06-05
Abstract: Valve with a rotary plug, characterised in that the seat of the valve consists of a solid removable seal 6 held in the body 1 of the valve so as to be able to be moved with respect to the axis of the body and the axis of rotation of the plug 3. The seat is housed in a recess 5 in the body the diameter of which is greater than the outer diameter of the said seat 6. The seat is held by a plurality of screws 8 passing through a ring 9 axially immobilised with respect to the body.
Patent FR-2616288-A1 (FR)
Title: Sound-rigging method and device including the distributing of sound to a plurality of loudspeakers from another plurality of sources
IPC: H04R27/00
Filed: 1987-06-05
Abstract: The present invention is in the field of acoustics and its subject is more particularly a sound-rigging method and device. A sound-rigging method of the invention employing a first plurality of loudspeakers 1 to 8 distributed at various points in a room and a second plurality of music or sound sources, is mainly characterised in that at least one of the said sources 13 can be directed successively towards at least two of the loudspeakers. The distributor 14 for implementing this method is characterised in that each source taking the form of an analogue electrical input signal is associated with a plurality of units for monitoring the output level, the said plurality of units being equal to the plurality of loudspeakers, each unit of a certain level being connected electrically to a common circuit.
Patent FR-2600708-A1 (FR)
Title: Arrangement of a member forming a plate for windows and doors
Inventor: HORIKI YOSHIO
IPC: E05F11/38
Filed: 1987-06-26
Abstract: The invention relates to an arrangement of a member forming a plate. <??>According to the invention, it comprises a member forming a plate 2, a support member 3 in contact with the member forming a plate in order to firmly hold a part thereof and a means for firmly connecting the member forming a plate to the support member, this means comprising an extension member 4 which projects directly from the member forming a plate, towards the outside, into the support member, the projecting member being independent of the support member. <??>The invention applies in particular to the fastening of plane or arc-shaped window panes or glass panels.
Patent FR-2617534-A1 (FR)
Title: Dispositif de pompage d'un fluide dans le fond d'un puits
Inventor: CHOLET HENRI
IPC: E21B43/12
Filed: 1987-06-30
Abstract: Le dispositif comporte un tubage 4 dont l'extrémité inférieure est solidaire d'un siège 5 sur lequel repose la pompe à engrenage 6. La pompe 6 comporte une enveloppe de pompe 10 dont la partie inférieure 10a est engagée dans un alésage 5b du siège de pompe 5. La partie 10a comporte un prolongement 20 constituant un corps pesant facilitant la mise en place et le maintien de la pompe 6 sur le siège 5. La présente invention peut être appliquée au pompage des fluides pétroliers.
Patent FR-2618029-A1 (FR)
Title: Dispositif d'antiparasitage d'un moteur a courant continu a inducteur a aimants permanents
Inventor: RUDI ALAIN
IPC: H02K11/02
Filed: 1987-07-09
Abstract: Ce dispositif d'antiparasitage est caractérisé en ce qu'il comporte au moins une varistance 3 connectée en parallèle entre les bornes d'alimentation du moteur 1. Avantageusement, il comporte une varistance en parallèle sur chaque paire de balais du moteur.
Patent FR-2617965-A1 (FR)
Title: Device with guided elastic waves for detecting the presence of a liquid
Inventor: DIEULESAINT EUGENE JEAN
IPC: G01F23/296
Filed: 1987-07-10
Abstract: The device comprises a guide 11 for elastic waves, placed transversely to the lateral wall 5 of the container 1, and having a first free end 23 situated inside the container 1 at a predetermined level N, and a second free end 22 situated outside the container 1 and on which are placed transducer means for emitting and receiving an elastic wave 101. The transducer emission means 101 are arranged so as to emit an internal longitudinal compression wave propagating to the first free end 23 of the guide 11, and the guide 11 is made so as to have good impedance matching when its first free end 23 is immersed in the liquid 2 whose presence is to be detected.
Patent FR-2604396-A1 (FR)
Title: Talon de pneu radial pour vehicule routier a usage intensif
Inventor: TSUKAGOSHI TETSUHITO
IPC: B60C15/06
Filed: 1987-09-30
Abstract: POUR EMPECHER UN MOUVEMENT DU TALON SOUS L'EFFET D'UNE CHARGE LOURDE OU POUR AMELIORER LA DURABILITE DU TALON SANS AUGMENTER LE POIDS DU PNEU NI REDUIRE LA PRODUCTIVITE, ON PLACE LA CARCASSE K EN SANDWICH ENTRE DEUX COUCHES DE RENFORCEMENT 10, 20 AU VOISINAGE DU TALON DE FACON QUE LES CABLES METALLIQUES DE LA CARCASSE ET DES DEUX COUCHES DE RENFORCEMENT, QUI S'ETENDENT DANS TROIS DIRECTIONS DIFFERENTES, CONSTITUENT UNE STRUCTURE DE RENFORCEMENT TRIANGULAIRE. LA DISTANCE RADIAL H DE LA PREMIERE COUCHE DE RENFORCEMENT VIS-A-VIS DE LA JANTE EST DE 0,3 A 0,7 H, OU H EST LA DISTANCE RADIALE ENTRE LA JANTE ET LA POSITION DE LARGEUR DE PNEU MAXIMALE; LA DISTANCE RADIALE H DE LA PREMIERE COUCHE DE RENFORCEMENT EST DE 0,25 A 0,6 H; LA DISTANCE RADIALE H ENTRE H ET H EST DE 0,05 H OU PLUS; ET LA DISTANCE DE CHEVAUCHEMENT RADIAL A ENTRE LES DEUX COUCHES DE RENFORCEMENT EST DE 0,1 H OU PLUS. EN OUTRE, LA LONGUEUR DE CHEVAUCHEMENT L ENTRE LES DEUX COUCHES EST DE 0,25 L, OU PLUS, OU L DESIGNE LA LARGEUR DE LA PREMIERE COUCHE DE RENFORCEMENT.
Patent FR-2622274-A1 (FR)
Inventor: DIEUDONNE GERARD
IPC: F16L41/08
Filed: 1987-10-23
Abstract: The present invention relates to a fixing device for a non-return valve, or the like, in particular for jacuzzis. The device is characterised in that it is substantially formed by a support (6) which is concentric to the axis of the bore (3) of the air injection apertures and provided with an internal thread interacting with an external thread provided on the body (1) of the non-return valve, or the like, and by a reinforcing material (7) surrounding the support (6) and fixing it on the external face of the jacuzzi (2) or on a reinforcement (8) thereof.
Patent FR-2606267-A1 (FR)
Title: Guidance, positioning and drilling probe for intramedullary nail
IPC: A61B17/72
Filed: 1987-11-16
Abstract: The subject of the present invention is a guidance, positioning and drilling probe associated with an intramedullary nail. This probe is characterised in that it comprises a shaft 8, which is at least partially flexible and capable of rotating and being displaced axially in a tubular guidance element 9, the said shaft 8 carrying, at a distal end, a drill head, and at its proximal end, means 13 for coupling to a rotary motor 14, whereas the said tubular guidance element 9 interacts with a guidance and positioning head 15 formed at its distal head and defining a passage 17 which, in combination with a straight bore formed in the said tubular guidance element 9, guides the said shaft 8. Application to fitting an intramedullary nail.
Patent FR-2623916-A1 (FR)
Title: Support for an optical element
Inventor: GRESSLY ANDRE
IPC: G02B7/00
Filed: 1987-11-30
Abstract: The support comprises a frame 2 which includes a base 6 and a part 8 integral with the base, a plate 62 for receiving an optical component 42, such as a mirror, a lens, a grating, a diaphragm or other component, fixing screws 10, 12 for pressing the plate 62 onto the part 8 and grooved rods 120, 122 for elastically urging the optical component towards the plate 62. It furthermore comprises a ring 64 arranged between the plate 62 and the optical element 42, the latter not being in contact with the plate 62. This ring can move with the optical element 42 in the plane of the plate 62; its position is adjusted by means of adjustment screws 100, 102 associated with a spring 104.
Patent FR-2625151-A1 (FR)
Title: Anti-theft device for motor vehicles
IPC: B60R25/00
Filed: 1987-12-29
Abstract: Anti-theft device for motor vehicles, of the sort making it possible to block one or more of the pedals necessary for starting up and driving the said vehicles, characterized in that it comprises a collar 1 consisting of at least two parts 1a, 1b joined together by means of a joint 2, and two rigid manoeuvring and blocking bars 4, 5 each secured to one of the articulated parts 1a, 1b of the said collar 1, and the free ends of which are provided with complementary locking means 4a-10, 8-9a.
Patent FR-2631379-A1 (FR)
Title: Appts. for pumping fluids from bottom of borehole - partic. from deep zone which is either highly deviated, or even horizontal
Inventor: CHOLET HENRI
IPC: E21B43/12
Filed: 1988-05-11
Abstract: A pump is fixed to one end of a string of tubing, introduced into the borehole; the fluid being pumped from an inlet aperture situated at the free end of the pump.  At the level of this inlet aperture there is also an extension, mounted along the axis of the pump, and furnished with orifices, distributed over its entire surface to direct the fluid to the inlet. USE/ADVANTAGE - Prodn. of hydrocarbons from deep formations in highly deviated or horizontal boreholes, partic. when high sand prodn. poses a problem. Use of the perforated tailpipe to direct fluids towards the pump-inlet  eliminates the ingress of sand blocks into the pump body. This reduces the wear and tear on the moving elements within the pump and increases the pumping efficiency.
Patent FR-2631960-A1 (FR)
Inventor: WAKSELMAN CLAUDE
IPC: C07C51/377
Filed: 1988-05-27
Abstract: The invention relates to dihalogeno-3,3 fluoro-2 propenol-1 having the formula X<1>X<2>C=CF-CH2OH (I), wherein X<1> and X<2>, which may be identical or different, represent a fluorine, a chlorine or a bromine atom providing that X<1> and X<2> do not represent both a chlorine atom. These compounds may be prepared by reaction of an alcohol having the formula HCH<1>X<2>-CFX<3>-CH2OH (II), X<1> and X<2> have the meaning given hereabove and X<3> is a fluorine, chlorine or bromine atom, similar to or different from X<1> and/or X<2>, with an organolithian compound. They may be used to prepare halides of the fluoro-2 acrylic acid and of the dihalogeno-3,3 fluoro-2 acrylic acids or their esters.
Patent FR-2631544-A1 (FR)
Title: Device for assembling together an element made of ceramic material and a metallic element, in particular for joint prostheses
IPC: A61F2/00
Filed: 1988-05-20
Abstract: This device is noteworthy in that the element 1 has, axially from the bottom of a housing 1b, a stud 1c intended for centering and firm holding of the element 2 which has, axially, for this purpose an inner fitting surface 2c or 4 which follows the conical fitting part.
Patent FR-2632423-A1 (FR)
Title: Dispositif de commutation optique
Inventor: ARDITTY HERVE JACQUES
IPC: G02B6/35
Filed: 1988-06-06
Abstract: Dispositif de commutation optique bistable dans lequel un composant optique 4 peut être déplacé d'une position d'équilibre stable à une autre, par rapport à au moins une fibre optique 3, par l'action d'une première pièce mobile 11 le composant optique 4 étant actif dans l'une des positions stables et inactif dans l'autre du type comportant : - un boîtier 1, - des moyens de fixation 2 des fibres 3 optiques sur le boîtier 1, - une deuxième pièce 5 mobile par rapport au boîtier 1 et portant le composant optique 4 dans lequel une lame élastique 12 de section approximativement semi-circulaire relie la première pièce mobile 15 à la deuxième 11, caractérisé en ce que la deuxième pièce mobile 11 est mobile par rapport à un axe de rotation 6 solidaire du boîtier 1, qu'elle est rigide et constitue un élément distinct de la lame élastique 12.
Patent FR-2634783-A1 (FR)
Title: Aperitif liquor based on wine, alcohol, sugar, and branches of Prunus spinosa
IPC: C12G3/04
Filed: 1988-07-28
Abstract: Industrial process for the manufacture of an aperitif liquor based on Prunus spinosa. The invention relates to a process for the manufacture of an aperitif liquor based on young Prunus spinosa shoots in view of an industrial production of a product which develops a maximum amount of kernel flavourings. The process consists in respecting the proportions of the various constituents, wine, alcohol, sugar and branches of Prunus spinosa during controlled fresh maceration for 48 hours. The Prunus spinosa is cultivated in order to solve the problem of collecting the branches. The process makes it possible to obtain a quality product for a wide distribution.
Patent FR-2636765-A1 (FR)
Title: Device for reducing losses from analog memories using sample-and-hold circuits
IPC: G11C27/02
Filed: 1988-09-22
Abstract: Device for reducing losses from analog memories using sample-and-hold circuits. This analog memory comprises a first sample-and-hold circuit 10 connected to an inverting second sample-and-hold circuit 30. The inverting second sample-and-hold circuit 30 is connected to an inverting amplifier circuit 4. A circuit 50 carrying out a summation is connected, on the one hand, via an input E7 to the output S4 of the inverting amplifier circuit 40 and, on the other hand, via an input E6 to the output S1 of the first sample-and-hold circuit 10. The signal delivered during the off time of the sample-and-hold circuits 10, 30, on an output S6 of the circuit 50 carrying out a summation, is proportional to a signal to be stored delivered on an input of the first sample-and-hold circuit 10.
Patent FR-2639080-A1 (FR)
Title: Long stroke drive member for a rod-type pumping installation for a well, particularly an oil well
Inventor: KARAEV ISLAM KARIM OGLY
IPC: F04B47/02
Filed: 1988-11-16
Abstract: The invention relates to a long stroke drive member for a rod-type pumping installation for a well. According to the invention, it includes a load-bearing tower 20 to which is fixed a motor 14, two main cylindrical drums 8 and 9 mechanically connected to the motor 14 and two strips 10 and 11 made from an elastic material and one end of which is connected to the corresponding main cylindrical drum 8, 9; a fixing assembly 24, 43 is connected to another end of each strip 10, 11; the fixing assemblies 24, 43 are connected to a crosspiece 27 and to a counterweight 38 respectively; the width of each strip 10, 11 corresponds to the length of the drum 8, 9 which is connected to it. The invention applies in particular to the extraction of the liquid from oil wells.
Patent FR-2633359-A1 (FR)
Title: Amortisseur elastomere a remplissage de fluide
Inventor: ROTH STEPHEN F
IPC: B60K5/12
Filed: 1989-02-09
Abstract: Cet amortisseur comprend une pièce intérieure rigide 12-14, une enveloppe extérieure rigide à axe parallèle à celui de la pièce intérieure 12-14, un bloc élastique d'absorption des vibrations 16, interposé entre cette pièce intérieure et l'enveloppe extérieure 10 et comportant une première chambre 28, renfermant un fluide, une seconde chambre 30, renfermant un fluide, qui communique avec la première chambre de fluide 28, cette seconde chambre 30 étant délimitée entre le bloc élastique 16 et l'enveloppe extérieure 10, un corps rigide 40, monté mobile dans le premier passage 32 de façon à se déplacer perpendiculairement à l'axe de l'amortisseur afin de contrôler l'écoulement de fluide entre la première 28, et la seconde 30 chambres et qui, dans ses deux positions extrêmes de déplacement, bloque sensiblement tout écoulement de fluide entre ces première 28 et seconde 30 chambres, des moyens 70-76-80-86, 170 fournissant un second trajet pour l'écoulement du fluide à partir de la première chambre de fluide 28 et un premier diaphragme 64 qui offre une relation avec la seconde chambre de fluide 30, 130 permettant la communication du fluide. Application à l'isolation d'un moteur par rapport à son châssis support.
Patent FR-2628122-A1 (FR)
Title: Structure de fibres carbonees avec revetement en materiau mineral
Inventor: MCCULLOUGH FRANCIS P JR
IPC: D01F11/12
Filed: 1989-02-28
Abstract: Les fibres carbonées, revêtues de céramique et/ou de métal, thermiquement stables, se présentent sous forme de nappe, de mèches de fibres, de filé, ou de tissu ou tricot, qui conservent leur tenue, présentent un certain degré d'élasticité et un certain degré de stabilité en présence de différentes concentrations d'oxygène à températures élevées. L'invention permet d'obtenir des structures résistant à haute température, utilisées pour les filtres pour fours, comme structure isolante ou pour la fabrication de bobinage pour moteurs électriques.
Patent FR-2646467-A1 (FR)
Title: Aube de stator a calage variable a coupelle rapportee
Inventor: NAUDET JACKY
IPC: F01D17/16
Filed: 1989-04-26
Abstract: Une aube à calage variable pour turbomachine comporte une platine de raccordement pale/pivot-tige de tête constituée d'une coupelle cylindrique 15 rapportée dont la paroi cylindrique tourillonne dans un lamage du carter et qui comporte une rainure rectangulaire 15c diamètrale d'entraînement coopérant avec une languette rectangulaire 13 taillée dans le prolongement de la pale de l'aube. Application aux turboréacteurs.
Patent FR-2647924-A1 (FR)
Inventor: UGON MICHEL
IPC: G06F21/22
Filed: 1989-06-06
Abstract: A method and a system for cheking the integrity of a message, such as software or data, in relation to an original message to which they are supposed to correspond. By applying an algorithm (A) to at least one part of the original message, at least one signature (S1,S2... Sm) of this part is calculated and memorized in a storage area (10) of a portable object (1) which contains processing circuits (11) capable of implementing the algorithm (A). In order to check the integrity of a message, at least one signature of one part of the message is calculated by the processing circuits (11) of the portable object, by implementing the algorithm (A), and is compared with a signature of the original message to which it is supposed to correspond and memorized in the storage area (10).
Patent FR-2649304-A1 (FR)
Title: Child's seat
IPC: A47D15/00
Filed: 1989-07-07
Abstract: The present invention relates to a child's seat comprising a footrest 4 and a supporting frame 5 of adjustable height, characterised in that it also comprises a reproduction of a character 8 positioned on one side, at least two of whose limbs 8c/8d embrace the seat 2/3 to prevent the child from falling. For use in public or private places.
Patent FR-2651151-A1 (FR)
Title: Process for the development and storage of a mixture of freon and carbon dioxide
Inventor: CLAUDE GIBOT
IPC: B01F3/04
Filed: 1989-08-24
Abstract: Process for the development and storage of a mixture of a chlorofluorinated hydrocarbon known as "freon" and carbon dioxide by dissolving gaseous carbon dioxide in a mass of "freon" in the liquid form and under pressure, according to which dissolution of the carbon dioxide takes place substantially at ambient temperature by injection of gaseous carbon dioxide under pressure withdrawn from a carbon dioxide tank (2) and where, simultaneously with the injection of gaseous carbon dioxide, a refrigerating flow, to substantially compensate for the heat of dissolution, is transferred into the liquid mass, characterised in that the said "freon" being in a bottle (1) with a metal wall (17), the transfer into the liquid mass of the refrigerating flow is carried out between the external atmosphere and the mass of "freon" in the bottle of elongate shape (1) through the thermally conducting wall (17) of the said bottle (1). Application especially to the manufacture of foamed plastic.