baber/WOPTO huggingface dataset:
Patent FR-2306436-A1 (FR)
Title: Automatically balanced weighing machine - uses force on large diameter piston to move small diameter piston proportional distance
IPC: G01G5/04
Filed: 1975-04-04
Abstract: To overcome difficulties of automatically balancing a balanced arm weighing machine the load to be measured is applied to a large diameter piston or compression chamber which communicates with a small diameter cylinder whose piston moves proportionally to the applied load. A load (Q) is applied to a platform (1) supported by four compression cylinders (2) in which is piston supporting the platform compresses a membrane covering a chamber. The chamber is connected by pipes (7, 8, 9) to a fixed cylinder (10) in which a piston (11) is displaced by pressure in the compression cylinders. The piston shaft (12) moves a frame (13) carrying a band (14) which rotates a wheel (15) to drive a rack (19) and pinion (17) against a small load (22) presenting reactive torque. A disc (D) on the pinion shaft (16) indicates weight of load.
Patent FR-2270203-A1 (FR)
Title: High strength carbon sealing rings - made from coil of carbon fibres on which carbon is deposited from a gas phase
IPC: F16J15/32
Filed: 1975-05-06
Abstract: In mfg. a ring-shaped carbon composite, where continuous carbon fibres are wound on a mandrel to form a ring substrate which is then subjected to a carbon consolidation process, the consolidation process consists of heating the substrate in a gas contng. carbon using a temp. and pressure so that carbon is pptd. from the gas phase to form a filler or envelope on the substrate. The mandrel may be made of metal, esp. polished steel, or of material contng. carbon or a carbonisable material, esp. a cardboard tube with an outer layer of carbon fabric and the process is pref. used to make a wide variety of sealing rings or nuts. Used for the mfr. of rings for e.g. piston-rings or seals, e.g. for high-temp. use. The seals are more durable and more elastic than those hitherto available and the mfg. process is simple and economic.
Patent FR-2270426-A1 (FR)
Title: Sliding door guide - using guide rail and set of three rollers two at one end third one at other end
IPC: E05D15/10
Filed: 1975-05-07
Abstract: The door is moved from an open position, into a closed one, by moving and lowering it into tight contact with the wall. The door is suspended, at one top end of the rail, by two rollers, with a similar roller at the other end. The rail has a full or hollow rounded profile. In the end region of the rollers, corresponding to the closed position, of the door, the rail profile is recessed in a waiste-like fashion on the side away from the wall.
Patent FR-2310227-A1 (FR)
Title: Combined lettering set and ruler - has dovetail slot for sliding strip of characters viewed through slot down middle
IPC: B43L7/00
Filed: 1975-05-05
Abstract: A stencilling set for numbers, letters, etc., for tracing the characters in straight lines on a document or drawing consists of a ruler along which the strip (11) of characters can slide without requiring any further guide. The ruler has a dovetail slot (8) on its underside into which the strip fits, and a slot (4) down the centre, through which the strip (11) can be seen. The edges of the rule carry sets of markings (9) so that it may be used in the conventional manner as a ruler. The strip of characters can be exchanged for another with different characters. In an alternative design, the ruler has two parallel slots for two side-by-side strips of characters.
Patent FR-2272812-A1 (FR)
Title: Welded and trapped base or closure for thermoplastic containers - involving concentric profiles of undulating form
IPC: B29C65/18
Filed: 1975-05-28
Abstract: A process is claimed for welding a closure piece on to the end of a tubular thermoplastic body by providing the end of the body profile (1) with an internal step (2) crowned with longitudinal extrusion of the body wall, the closure (4) being sized to fit within the extended body and butt against the internal step. The joint is located by a pointed tongue-and-groove (6-3) engagement between the two faces (4/2), and the joint is welded by use of preheating, spin welding, etc. The closure has an external skirt which fits within the extended body; subsequently the concentric parts are mutually deformed to longitudinally undulating profiles (7/8) which trap the closure in position in the end of the body.
Patent FR-2319047-A1 (FR)
Title: Snap hook with automatic double lock - has locks requiring simultaneous manual action for release
Inventor: HARDY PIERRE
IPC: A62B35/04
Filed: 1975-07-24
Abstract: A self locking snap hook for e.g. attaching parachute release cords to the fixed release cable in an aircraft, has a double safety lock mechanism, the two locking actions taking place sequentially and automatically when the hook is attached. To release the locks, they must again be operated sequentially and by deliberate manual action. The hook has a body (1) with a hooked end (11) carrying a pivoted (3) hook closure link (2). the latter has two notches (18, 19) which register with a spring (8) to hold the link closed or open. When closed, a slot (21) in the link disengages from a pin (6) fixed in a sliding sleeve (4). This frees the sleeve to slide a certain distance on the body, limited by the length of a slot in the body. As the sleeve slides, it allows other locking springs (9, 10) to register in recesses (20, 15) holding the sleeve in the extended position. direct manual action on these locks (9, 10) is required before the hook can be released.
Patent FR-2319958-A1 (FR)
Title: Control rod for fast neutron reactor - has spherical lower end forming a sliding seal in the sleeve bore to concentrate coolant flow round absorbent elements
IPC: G21C7/10
Filed: 1975-07-31
Abstract: A guide element for a control rod, partic, for a fast neutron, sodium-cooled nuclear reactor, has a central casing contg. the neutron absorbent elements and provided at its lower end with a hollow rod through which the flow of coolant for the absorbent elements is admitted. At its upper end the casing has a gripper head ensuring the displacement of the control rod in a fixed sleeve and carrying a cylindrical foot at its lower end. The hollow rod provided at the lower end of the casing (I) slides in an axial bore in the sleeve formed in an extension of the foot and (II) exhibits a spherical sweeling preferably at its lower end of diameter equal to that of the bore so as to form a seal for the cooling liquid in the space between the external surface of the hollow rod and the internal surface of the axial bore in the sleeve. Device allows the control rod to slide in its sleeve without risk of jamming, and leaves the upper part of the sleeve free.
Patent FR-2324964-A1 (FR)
Title: Adjustable ball cock valve - has seal carrier screwed into offset operating arm to reduce lever length
IPC: F16K31/18
Filed: 1975-09-18
Abstract: The float is carried on a short arm screwed into a transverse operating arm which is pivoted in the forked end of the jet head. The latter is axially offset from the support to accentuate the reduction of travel of the operating arm. A tapped hole in the end of the arm accepts the threaded end of the seal carrier which can thus be precisely adjusted relative to the jet head. When adjusted, it is locked in position by a nut, a large washer being interposed to act as a jet breaker. Additional adjustment is possible by screwing the float arm in or out of its attachment to the operating arm. Pressure of the seal on the jet exit is increased by forming the latter with a conical surface.
Patent FR-2326138-A1 (FR)
Title: Sugar beet root cleaner - consists of drive mechanism conveying roots by centrifugal force along coaxial grille type cylinders forming annular passages
IPC: A01D19/14
Filed: 1975-10-03
Abstract: The root cleaner consists of a rotating plate which is preferably a grille, with cylindrical dirt-removers forming between them annular passages which intercommunicate by openings. The soil-removers consist of a number of grilles in the passages. The grilles are preferably comb-shaped with parallel, curved bars. The bars are free at one end and fixed at the other end to a rod adjustable in position. The rod is preferably clamped into a socket attached to an axle in turn inserted into another socket forming part of the chassis. The bottom rotating plate is in the form of a circular grid divided into different areas by annular stips joined together by a series of bars. The roots are poured onto the central hub of the first passage bars, and are conveyed by centrifugal force round it into the second passage.
Patent FR-2331463-A1 (FR)
Title: Elevating upper deck of car transporter - using four folding support posts mounted with sliding action powered by ram
Inventor: DESCHAMP ROGER
IPC: B60P3/08
Filed: 1975-11-12
Abstract: The levers are for elevating platforms which are the upper deck of a car carrying vehicle. The platform can be raised so as to be parallel to the lower one or inclined down towards the rear. The four support posts can fold and each support the upper platform at two points. Each support post is mounted with sliding action which is powered by a ram on the upper platform. The posts have a safety device to prevent sudden descent. This consists of a rack and pawl mechanism. The base of each post can be hinged at the bottom in either a round or elongated hole.
Patent FR-2295843-A1 (FR)
Title: Ink drop printing machine - has modification unit varying drop electrostatic charge to counteract disturbances
IPC: G06K15/10
Filed: 1975-12-23
Abstract: An entry pattern source determines the programmed charge present on a drop if it is to be used for printing, and a modification unit varies, preferably reducing, the value of a charge. This counteracts the effect, on an electrostatic field producing the drop charge, of the variation of the state of charge of one or more preceding drops in relation to the programmed charge. It also counters the effect on the point of drop deposition resulting from modified aerodynamic action on its trajectory of at least one of the preceding drops, compensates for the effect due to a variation in the electrostatic repulsion or attraction level on the point of deposition of this drop, resulting from a variation in the state of charge of one or more of the preceding or subsequent drops in relation to the programmed charge.
Patent FR-2345988-A1 (FR)
Title: Belt for urine bag and vesicular tube - has right and left hand clips for fastening tube and positions plate with pins for holding bag
IPC: A61F5/44
Filed: 1976-03-30
Abstract: The belt holds a urine bag and its vesicular tube, permitting the patient to walk about. It comprises a rectangular plate (9), made from plastics, which has a slot (4) each end for positioning the belt (7). This latter has a quick release fastening (8). Pins (1) on the lower edge of the plate hold the bag by its suspension eyelets. A flexible tube (6) connects into the vesicular tube, its other end emptying in the bag. To prevent kinking, sets of clips (2, 3) are provided, one right hand and one left hand. The tube is fastened to either set, ensuring a wide sweep to the tube.
Patent FR-2346423-A1 (FR)
Title: Brilliant emulsion paint mfr. - by mixing a pigment paste and a binder thickener mixt. separately then adding pigment paste to binder
IPC: C09D131/02
Filed: 1976-04-02
Abstract: Method of mfr. of a brilliant emulsion paint is claimed in which at least one mixing step to mix a pigment paste with a binder in aq. emulsion, is characterised in that after prepn. of the pigment paste on one hand and the binder on the other, the pigment paste is introduced into the binder, with agitation. The ratio of binder to pigment paste is >=1 (1.5-3) and the mixing is effected slowly at ambient temp. in a mixer at 600-800 rpm so as not to break down the emulsion. The pigment is pref. a brilliant pigment, and the emulsion contains a vinyl versatate acrylate. The paint has improved brightness after application.
Patent FR-2347440-A1 (FR)
Title: Continuously operating centrifuge for sugar prodn. - has accelerator dish and bell rapidly draining and washing product
IPC: C13B30/10
Filed: 1976-04-06
Abstract: The surface has an upright basket rotating on a vertical shaft. The basket opens conically upwards and is fitted with a sieve. On a hub projecting into the basket there is an accelerator dish, with a number of distributor pegs arranged parallel to the axis of rotation, and close to the inner wall of the dish. From beneath the accelerator dish, an accelerator bell extends downwards opening conically towards the bottom of the basket. This bell acts as a preliminary separator and has drains to waste the 'green liquor', the bottom of the basket serving as a washing zone. Some distance from the upper rim of the basket, a damming ring is arranged to form with the rim an outlet slot for the sugar. This slot faces the flange of a delivery ring rotating synchronously with the basket on an inclined axis. The delivery ring can be lifted and lowered and positions the outlet for the sugar at a definite point where a collector causing no damage, connects to the basket. A continuously working centrifuge ensuring an economical output per unit of time, of white sugar of good and consistent quality, without syrup residues and without damage to the crystalline structure. The quality of the sugar can be supervised constantly during prodn.
Patent FR-2350753-A1 (FR)
Title: Generation of telephone signalling frequencies - uses cyclical addressing of programmed memory at time base signal rate
Inventor: CHAVERON XAVIER
IPC: H04M19/02
Filed: 1976-05-03
Abstract: Telephone signalling between exchanges requires a signal composed of two frequencies from six. A replay signal comprises a seventh frequency. These frequencies are generated using a programmed memory and addressing circuits. A signalling frequency generator comprises a time base circuit which generates time base signals at a particular frequency. These are applied to an address counter which provides addresses cyclically at the time base signal rate. A memory comprises elements containing binary of or 1 logic which are addressed by the counter. The relevant memory element contents are then applied to dividers at a rate determined by the period of time base frequency to produce output frequencies.
Patent FR-2312118-A1 (FR)
IPC: H01L23/485
Filed: 1976-05-18
Abstract: Gang bonding bumps, for making electrical connection to a metallic intraconnect pattern of metallization on an integrated circuit semiconductive device, are adhered to the interconnect pattern via the intermediary of a series of transition layers. These transition layers include a first layer of chromium, vacuum evaporated over the metallic interconnect pattern for providing a tightly adherent connection thereto. A layer of aluminum and chromium is vacuum evaporated over the chromium layer. A second layer of chromium is vacuum evaporated over the aluminum and chromium layer and a gold layer is deposited overlaying the chromium layer. The gold layer interfaces with the electroplated layers of the bump, which in a preferred embodiment consists of a lower layer of nickel covered by a layer of copper.
Patent FR-2312963-A1 (FR)
Title: Butter vacuum treatment - by multistrand extrusion on belt conveyor in vacuum tunnel with screw conveyor discharge lock
IPC: A01J15/18
Filed: 1976-06-03
Abstract: Butter is treated in a vacuum during its continuous mfr. in a kneading machine by extracting it through the perforated mouthpiece of the kneader into a tunnel which is kept at a vacuum of 300-700 millibar. An endless belt conveyor or in the tunnel is driven at such a speed that the butter is exposed to the vacuum for 1- mins. before an airlock with a screw conveyor discharges it. No mechanical working is applied to the butter once it has left the mouthpiece. This prevents excessive working which can turn the butter into an ointment. The butter retains its spreadability independent of the seasonal variation of the olefin and stearine content in the butter fat.
Patent FR-2360477-A1 (FR)
Title: Filler spout for jerry-cans - has telescopic pourer retained by integral ring and safety seal on outside of cap
IPC: B65D47/06
Filed: 1976-08-02
Abstract: The jerry can has a filler hole which has a shaped collar (6) integral with the can. The collar has a small diameter (7). This diameter is the same as the diameter of the pourer (3). The pourer is retained in position between two flanges (3a) and (3b). An air vent (15) is fitted to the side of the pourer. The upper part of the outside of the collar is fitted with a thread (8) by which the filler cap is held into place. The cap has an internal cone which locates the pourer when it is stowed. A tear off seal (13) joins the filler cap to the collar (14). The collar is hooked under the ring (10) of the collar on the can.
Patent FR-2328056-A1 (FR)
Inventor: ODA YOSHIO
IPC: C08J5/22
Filed: 1976-10-15
Abstract: In a process for producing an alkali metal hydroxide which comprises electrolysis of an aqueous solution of an alkali metal chloride in an electrolytic cell having an anode compartment and a cathode compartment which are partitioned by a fluorinated cation exchange membrane, the improvement which comprises a fluorinated cation exchange membrane made of a fluorinated copolymer having carboxylic acid groups as the ion exchange group and having an ion exchange capacity of 0.5 to 2.0 meq/g dry polymer and a concentration of carboxylic acid groups of 8 to 30 meq/g water absorbed by the membrane when contacted with an aqueous solution of the alkali metal hydroxide having about the same concentration of alkali metal hydroxide as that of catholyte during said electrolysis.
Patent FR-2331091-A1 (FR)
IPC: G04B11/00
Filed: 1976-11-02
Abstract: A stepping gear is rotatably mounted with freedom of axial movement and formed with an axially facing shoulder and with teeth and tooth spaces defined by said teeth. A rotatably mounted pawl roller has first and second peripheral rings. A spring urges said pawl roller against said stepping gear. The first peripheral ring is adapted to enter one of said tooth spaces to oppose a rotation of said stepping gear. The second peripheral ring radially overlaps said shoulder to limit the freedom of axial movement of said stepping gear.
Patent FR-2380381-A1 (FR)
Title: Underground valve spindle protective device - comprises oblong component fitting over spindle and with cage at top
IPC: E03B7/09
Filed: 1977-02-09
Abstract: The protective device is for the square drive spindle end of a valve mounted in an underground pipe, at the bottom of a shaft leading to ground level and closed by an inspection cover. It comprises an oblong component (6a) shaped at one end (7) to fit over the square spindle end (3), while at the other it is covered by a basket (9) of diameter roughly equal to that of the shaft (4), and open towards the inspection cover (5). The component length can be adjustable, and there can be a handle extending above the basket. This ensures that the spindle end is always accessible, any dirt, gravel etc. being caught by the basket, while rainwater drains away through it and the surrounding soil.
Patent FR-2387178-A1 (FR)
Title: Piece goods pallet loading system - has fork inserted sideways under conveyor to lift row of items clear
IPC: B65G57/24
Filed: 1977-05-04
Abstract: The system loads pallets with piece goods, particularly packets or sacks. The items are delivered by conveyor onto a transfer plate parallel to it, this being then moved sideways while the layer of items is held in position by a strip so as to deposit them on the pallet. The items are delivered in rows one behind the other to the conveyor, and a number of them equal in length to the pallet are lifted off the conveyor by a fork inserted horizontally underneath and transported away. The fork is then lowered again and the row of items already on it thrust towards its end furthest from the conveyor, whereupon it is inserted and lifted again to pick up another row, and so on until a complete layer is formed.
Patent FR-2355566-A1 (FR)
Title: Traitement de composes de metaux de transition pour leur utilisation comme constituant d'un catalyseur de polymerisation des olefines
IPC: C08F10/00
Filed: 1977-06-17
Abstract: Cette invention concerne le traitement de composés de métaux de transition. On broie un composé de métal de transition contenant du chlorure d'aluminium associé à ce composé en présence d'un composé organique contenant du soufre et d'un liquide qui est un solvant du chlorure d'aluminium ou d'un complexe de chlorure d'aluminium avec le composé organique contenant du soufre, puis ce solvant est éliminé et le broyage est poursuivi en l'absence de liquide. On peut également prévoir pendant le broyage un acide de Lewis tel que le tétrachlorure de titane. Le liquide peut être un hydrocarbure aromatique comme le toluène. Le solvant peut être éliminé par évaporation, décantation, filtration ou lavage avec un liquide plus volatil, qui est ensuite évacué par évaporation. Le broyage peut être effectué dans un broyeur à boulets, tel qu'un broyeur vibrant ou rotatif. Le produit obtenu convient en vue d'une utilisation comme constituant d'un catalyseur pour polymériser les oléfines comme le propylène.
Patent FR-2354838-A1 (FR)
Title: Dispositif indicateur de l'alignement d'une piece a usiner sur un tour
IPC: G01B5/00
Filed: 1977-06-17
Abstract: L'invention concerne un dispositif indicateur de l'alignement d'une pièce à usiner sur un tour. Ledit dispositif est destiné à déterminer la position précise de l'axe d'une pièce cylindrique à usiner de manière à pouvoir régler la position de l'axe de cette dernière pour l'aligner sur l'axe de rotation du tour. Ledit dispositif est monté d'une façon amovible sur le chariot d'avance du tour pour être déplacé radialement au contact de la pièce et est destiné à déterminer la position relative des axes de la pièce et de la machine selon des lignes horizontale et verticale de coordonnées. Application à l'alignement de l'axe d'une pièce cylindrique à usiner sur l'axe de rotation d'un tour, notamment pour tourner des cylindres de laminage
Patent FR-2398013-A1 (FR)
Title: Carpet laying or take=up device - consists of roller mounted on frames with swivel arms and carpet guiding rod
IPC: B65H16/06
Filed: 1977-07-20
Abstract: A fixed or movable roll-up or roll-off installation is used. It is either hand operated or automatic. It can be operated by one person and it is intended for the rolling up or off of bands of great length such as textiles, carpets and esp. floor coverings used for gymnastics or sports purposes. The installation consists of one cylinder shaped roller (1) freely rotatable to hold the bands etc. to be rolled up with its ends located on a support frame (3) which is either rigid or movable. Two equal movable arms have a swivel connection on the frame which have a rod connecting them at right angles.
Patent FR-2361154-A1 (FR)
Title: Catalyseur de traitement de residu par l'hydrogene et procede employant un tel catalyseur
Inventor: SHERRY HOWARD SAMUEL
IPC: B01J27/04
Filed: 1977-07-29
Abstract: La présente invention a pour objet un catalyseur comprenant les oxydes et/ou sulfures de métaux des Groupes VIB et VIII associes à un support d'alumine et initiés par une quantité atteignant 2,5 % en poids d'un oxyde de métal alcalin Il est caractérisé en ce qu'au moins 25 % du volume des pores de ce catalyseur sont représentés par des pores ayant un diamètre compris entre 30 et 100 Angstrom , moins de 15 % du volume de ses pores sont représentés par des pores ayant un diamètre supérieur à 300 Angstrom les pores ayant des diamètres supérieurs à 300 Angstrom représentent 0,450 à 0,550 cm**3/g de catalyseur. Elle se rapporte à un catalyseur permettant l'elimination des métaux et de soufre d'huiles de pétrole.