baber/WOPTO huggingface dataset:
Patent EP-0016979-A1 (EP)
Inventor: BULST WOLF-ECKHART DIPL-PHYS
IPC: H03H9/64
Filed: 1980-03-03
Abstract: An acoustic wave filter comprising a piezoelectric substrate body upon which at least two digital structures are formed and which comprise input and output transducers and form a selective wave reflective pair with at least one of the digital structures having a wide band amplitude characteristic F1 and at least one of the other digital structures having a narrower frequency band amplitude characteristic and wherein the center frequency f1 of the wider band F1 digital structure is displaced relative to the center frequency f2 of the digital structure which has a narrower frequency band F2 by a frequency of  DELTA f on either side of the center frequency f1 so that one of the zero locations fR1'2 of the distortion signal FR of interdigital reflections is placed close to the value of the center frequency f0 of the filter.
Patent EP-0017941-A1 (EP)
Inventor: HEINZ LAMPERT
IPC: B65D35/28
Filed: 1980-04-12
Abstract: 1. A tube 1 consisting exclusively of at least two plastic foils (3; 35, 36; 80, 81) for receiving a substance which may be squeezed out, said tube having a sac and an outlet portion, characterised in that between the outlet portion (4; 37, 38; 83, 84) and the sac (15; 48; 99) there is a flexibly compressible space designed as a springless pump (5; 42; 88), and in that at least one of the foils (3; 35, 36) is, at least in the outlet portion (4; 37, 38; 83, 84), prestressed so as to press flexibly against the other foil.
Patent EP-0021295-A1 (EP)
Inventor: KOBAYASHI HIROTO
IPC: F02M9/08
Filed: 1980-06-14
Abstract: In a carburetor for furnishing fuel to internal combustion engines and utilizing a cylindrical rotary throttle valve as the venturi of the mixing passage, the addition of a fuel retaining means (68) of absorbent material to store a sufficient amount of auxiliary fuel, delivered by a primer pump (72), in order to start the engine.
Patent EP-0021479-A1 (EP)
Inventor: VAN GRINSVEN PETRUS FRANCISCUS
IPC: C07C7/148
Filed: 1980-05-28
Abstract: Process for the continuous removal of acidic components from lower boiling point hydrocarbons in a liquid phase by contacting them in an extractor 10 with a solvent which contains at most 30%w of water, flashing the hydrocarbons absorbed by the solvent at reduced pressure in a flash-vessel 34, and recycling them to the extractor 10 after reliquefaction. The treated hydrocarbons emerging from the extractor are preferably water-washed.
Patent EP-0018143-A1 (EP)
Title: Air driven diaphragm pump
Inventor: WILDEN JAMES K
IPC: F04B43/073
Filed: 1980-04-03
Abstract: A diaphragm pump has opposed pump cavities (29, 31), a pump drive assembly (10, 12, 14) between said cavities (29, 31) forming an inner wall of each of said cavities (29, 31), pump chamber housings (28, 30) meeting with said pump drive assembly (10, 12, 14) to form the outer wall of each of said cavities (29, 31), an inlet manifold (128) extending to and in communication with each of said cavities (29, 31) and an outlet manifold (136) extending to and in communication with each of said cavities (29, 31), said inlet and outlet manifolds (128, 136) being diametrically opposed. 
     Means (148) forcibly drawing said manifolds (128, 136) toward one another are provided and said manifolds (128, 136) and said pump chamber housings (28, 30) include mating surfaces there between lying in planes at an acute angle to the line of force drawing said manifolds toward one another, said manifold mating surfaces each being outwardly of each associated pump chamber housing mating surface. 
     The actuator valve comprises a valve piston (48), a control rod (15) fixed to reciprocate with the air driven reciprocating device, and a housing (36) having a cylinder (50) closed at each end and enclosing said valve piston (48), a passageway through which said control rod (15) extends, an air inlet (52) to said cylinder (50) spaced from the ends of said cylinder (50), valve piston vent passages (82, 84) extending from the ends of said cylinder (50) to said passageway, and control rod vent passages (112, 114) extending from said passageway to atmosphere, said valve piston (48) cooperating with said housing (36) to include means (78, 80) for directing incoming air to the ends of said valve piston (48) and means (58, 60) for selectively directing incoming air to and exhausting outgoing air from the air driven reciprocating device. 
     There is an axial passage (110) in said control rod (15) positioned between said valve piston vent passages (82, 84) to vent selectively each of said valve piston vent passages (82, 84) to said control rod vent passages (112. 114).
Patent EP-0031772-A1 (EP)
Title: Procédé et dispositif pour la fabrication de verre par flottage
Inventor: EISCHEN GASTON
IPC: C03B18/18
Filed: 1980-12-19
Abstract: L'invention a pour objet un procédé et un dispositif pour la fabrication du verre plat par flottage. Selon ce procédé, on déverse du verre fondu sur un bain de métal en fusion, on le fait avancer sous forme d'un ruban de verre sur ledit bain de métal et on confére au ruban, par accélération une vitesse d'extraction finale, ce qui provoque un entraînement de métal suivant un courant aval qui se réfléchit pour former un courant amont, et suivant l'invention on laisse le courant aval libre de s'écouler régulièrement et on interrompt totalement ou presque et uniquement les parties latérales du courant amont au moins dans la zone d'étirage du verre. L'invention s'applique notamment à la fabrication de verre mince.
Patent EP-0025001-A1 (EP)
Inventor: DU MANOIR DE JUAYE PIERRE
IPC: C22B9/02
Filed: 1980-08-19
Abstract: The invention concerns an apparatus for active filtration and treatment of liquid metals and alloys and particularly to the purification of aluminum, magnesium, or alloys based on aluminum or magnesium, prior to molding. It comprises a detachable cartridge, closed at at least one end by a porous block based on grains of fritted flux and filled with grains of flux, solid at the temperature of the metal to be filtered. The cartridge may include a means for injecting an active or inert gas into the grains; it may be arranged in a heated, heat insulated ladle.
Patent EP-0039337-A1 (EP)
Inventor: RUPP JOSEF
IPC: G03C1/498
Filed: 1980-09-26
Abstract: La couche contient un sel d'argent photoresistant. Pour obtenir avec une image au noir contraste un fond blanc, on utilise un sel metallique d'acides gras avec au moins 14 atomes de carbone et en particulier le palmitate de zinc.
Patent EP-0040228-A1 (EP)
Inventor: KUMMER JAN
IPC: G01F3/26
Filed: 1980-11-07
Abstract: Un dispositif de mesure du lait sert a mesurer le volume de lait, que donne une vache. Le dispositif de mesure possede des godets de mesure (4) produisant un signal electronique qui est envoye a un dispositif de comptage lorsqu'ils sont remplis de lait. Une fois le remplissage effectue, le lait en alimentation continue se deverse dans le godet de mesure suivant (4). Le godet (4) peut etre vide dans un reservoir par basculement ou par une vanne de fond (227, 228). Un godet de deversement peut etre prevu dans un seul godet de mesure pour economiser l'espace. Le dispositif de mesure de lait peut avoir un dispositif de correction pour la quantite d'air present dans le lait lorsque celui-ci s'ecoule au travers du dispositif de mesure, sous la forme d'un flotteur (304) dans le godet mesure (301).
Patent EP-0040318-A1 (EP)
Inventor: HAUGHEY DOUGLAS PETERSON
IPC: C01B15/043
Filed: 1981-04-10
Abstract: Alkali metal or alkaline earth metal peroxides, for example, particularly, calcium peroxide, is produced by recovering a moist peroxide product from an aqueous mixture, formed by reacting hydrogen peroxide and a hydroxide of the alkali metal or alkaline earth metal, and drying the moist product by means of a pneumatic conveyer drier. The peroxide so produced is suitable for granulation. Alternatively, particulate substances, such as seed, are coated with the peroxide by blending with the moist peroxide product and passing the blend through the pneumatic conveyor drier.
Patent EP-0043968-A1 (EP)
Inventor: TRIER LOTHAR
IPC: E06B3/26
Filed: 1981-06-27
Abstract: 1. A composite section, particularly for windows, doors, façades or the like, consisting of at least two metal sections (1, 2) which are fastened to one another in spaced relation by at least heat-insulating section (9), the insulating sections of which comprise projections (10) for positive engagement in corresponding recesses (6) in the metal sections and are first inserted with clearance in the recesses in the metal sections whereupon the projections are secured immovably in the recesses with positive locking by means of deformable webs (7, 27) on the metal sections and/or on the insulating sections, or additional pressure elements (21), the composite section having a surface coating obtained under heat treatment, characterized in that the projections (10) of the insulating sections (9) providing the positive engagement consist partially of a heat-sealing adhesive (12) which is stable in shape before the processing and which can be activated at the temperature of the final heat treatment for the surface coating of the composite section.
Patent EP-0054628-A1 (EP)
Inventor: FOTTINGER WALTER DR
IPC: D06M17/00
Filed: 1981-09-24
Abstract: 1. A process for continuously consolidating a nonwoven and simultaneously coating it with a binder and with an adhesive composition, in which process the binder is synchronously counter-printed from one side against the adhesive composition, printed on from the other side, in the form of matching part-surfaces, the part-surfaces being spaced apart from one another, characterised in that a binder crosslinkable by ultraviolet radiation is printed onto the nonwoven from the underside by means of a relief-printing, planographic printing or gravure-printing cylinder having a soft, resilient rubber covering, that a thermoplastic adhesive composition ist printed onto the nonwoven from the upper face by the powder dot or screen printing process and that subsequently the nonwoven is irradiated with light which contains 10 to 30% of its total energy in the form of ultraviolet radiation, the total power being so chosen that the binder becomes crosslinked and the geometrical distribution of the adhesive composition becomes intrinsically stabilised, after which the nonwoven receives a final treatment by drying and/or sintering of the adhesive composition.
Patent EP-0052381-A1 (EP)
Inventor: PIGEON RAYMOND
IPC: C08F299/00
Filed: 1980-01-14
Abstract: Procédé de préparation de compositions organopolysiloxaniques par mélange à une température de 5 à 180°C, d'huiles αωdihydroxydiorganopolysiloxaniques A, de silanes B de formule Z(G)SiRaQ3-a dans laquelle Z représente CH2= C (R') - COO ou HS, G un radical alcoylène, R et R' des radicaux hydrocarbonés, Q des radicaux alcoxyles, a une valeur allant de 0 à 2, et de catalyseurs C dérivés du titane ou de l'étain. Ce procédé est caractérisé en ce que les huiles A ont une viscosité s'étalant de 70 à 500 mPa.s à 25°C, que les huiles A et les silanes B sont mélangés de telle façon que le rapport molaire radicaux hydroxyles des huiles/radicaux Q des silanes s'étale de 0,1 à 0,95, et que les réactifs sont maintenus en contact le temps nécessaire pour éliminer au plus 45 % de la quantité théorique de l'alcool QH devant se former à partir des huiles A et des radicaux Q des silanes B. Les produits obtenus à partir de ce procédé servent de matière première, en association avec des dérivés de la benzoïne, de la xanthone ou de la thioxanthone pour des compositions photopolymérisables en revêtements anti-adhérents de matières solides.
Patent EP-0043736-A1 (EP)
Inventor: BAXTER ANDREW JOHN GILBEY
IPC: C07D335/06
Filed: 1981-07-08
Abstract: Propanolamine derivatives of the formula:
     wherein  R 2 is CH 3S O or CH 3 S0 2 ; R 3  is hydrogen, methyl or methoxy; or R 2  and R 3  are together -S(O) m (CH 2 ) 4 - or -(CH 2 ) n S(O) m - (where m = 1 or 2 and n = 3 or 4); R 4  is hydrogen or alkyl C 1-4 ; Z is -(CH 2 ) 2 - or
     and their non-toxic salts. 
     Processes for the preparation and pharmaceutical compositions thereof. The compounds exhibit both β-adrenoreceptor antagonist activity and vasodilator activity and are indicated for use in the treatment of hyperten- sion.
Patent EP-0047139-A1 (EP)
Inventor: BEERY JACK
IPC: B65H9/06
Filed: 1981-08-27
Abstract: A sheet feeding apparatus including a means (76) to feed a sheet from a supply (61,62) in a forward direction, sheet registrating means (22) for registering a sheet, the sheet feed means (76) and sheet registration means (22) being separated by a distance less than the feeding dimension of the sheet being fed, means to activate the sheet feed means (76) to feed a sheet forward toward the registration means (22) and to form a buckle in the sheet and a sheet guide (93) comprising a baffle pivotally mounted to be articulated within the path of the sheet being fed such that when it is contacted by the short edge of the sheet buckle and initiates tension in that edge it articulates reducing the tension on the short edge of the buckle and advances toward contact and the initiation of tension with the long edge of the sheet , buckle. By articulation the baffle (93) tends to equalize the tension on both edges of the sheet and thereby minimizes skewed sheet feed.
Patent EP-0050091-A1 (EP)
Inventor: MEYER HARTMUT DR-ING
IPC: H02K11/26
Filed: 1981-09-23
Abstract: The windings of electrical machines and appliances are often constructed from coils (1). To achieve protection against shock voltages, voltage-dependent resistors (7) are connected in parallel with the turns (4) of at least one coil (1) located in each case at the start of the winding. Metal oxide resistors are used for this purpose, preferably zinc oxide resistors. These resistors can also be arranged within the main insulation (5) of the coil (1). <IMAGE>
Patent EP-0054012-A1 (EP)
Inventor: HUMBERT MAURICE EMILE
IPC: G01N21/67
Filed: 1981-10-08
Abstract: 1. A method of preparing a steel sample for spectrographic analysis in order to produce a local zone of purified steel flush with the surface of a face of said sample, wherein the sample is subjected to an electric arc established between an electrode (11) and a face of the sample (10) within an enclosure (3) in which an inert atmosphere is maintained, characterized by the following steps : the sample is first subjected to a rapid metal crust removal operation thereby to remove the superficial oxides, and then placed on a cooled metal support (1), the sample is subjected to a local melting using an electric arc, said local melting being maintained during a sufficient time interval such that the inclusions (0) which are contained in the zone (II) adjacent to the impact area of the electric arc are gathered within the zone (I) subjected to the local melting but said time interval being insufficient for the sample being pierced, applying a rapid surfacing of the sample face which was subjected to said local melting thereby to remove said zone (I) within which the inclusions have been gathered and to produce a zone of purified steel (II) flush with the surface of the sample.
Patent EP-0065081-A1 (EP)
Inventor: ADAMS HERIBERT DIPL-LANDW
IPC: A01B59/043
Filed: 1982-03-05
Abstract: 1. An implement-attachment device for agricultural tractors with a power lift serving to move two lift arms (21), which are secured fast in rotation on the ends of a transversely-mounted lifting shaft, up and down in the same direction, wherein, for the attachment of a working implement, two spaced-apart lower links engage pivotably on the tractor approximately at axle level, which links are articulatedly connected each by a lift rod (26) and a universal joint (20) with the free ends of the lift arms (21), while, for the setting of a free motion in the force flux between the lift arms (21) and the lower links, a part (24) comprises a slot (23) and an adjoining part (25) comprises a pivot journal (22) engaging displaceably in the slot (23) and securable by a U-shaped locking member (30) which is seated with its two legs (33, 34) rotatable on the pivot journal (22), characterised in that the slot (23) is arranged in a part (24) of the universal joint (20) ; that the locking member (30) is retained on the journal (22), which engages in the slot (23), pivotably and/or displaceably out of a free motion position into a locking position and vice versa, and that shoulders (37, 38) are arranged on both sides on the part (24) having the slot (23) as support for the ends of the two legs (33, 34) of the locking member (30) which are remote from the bores (31, 32) for the pivot journal (22) in the locking position.
Patent EP-0065168-A1 (EP)
Title: Process for the purification of epsilon caprolactam
Inventor: RULKENS PETER FRANCISCUS MARIA
IPC: C07D201/16
Filed: 1982-05-03
Abstract: ,,7 Process for the purification of «e-caprolactam, obtained through rearrangement of cyclohexanone oxime by means of sulphuric acid or oleum, by subjecting the caprolactam to be purified to distillation under reduced pressure, with separation of low-boiling and high-boiling impurities. The destillation is carried out in two steps with at least in the 1st step an evaporator with a rectification column containing packing material with a pressure drop of less than 2.5 mbar per theoretical tray. The caprolactam to be purified is supplied to the rectification column of the 1st step, the low-boiling impurities are carried off from this column, the bottom product remaining in the 1st step is supplied to the 2nd step and in this step the high-boiling impurities are carried off as bottom product. The purified caprolactam is recovered as top product.
Patent EP-0082327-A1 (EP)
Inventor: GRONAU JUERGEN
IPC: B66F9/07
Filed: 1982-11-23
Abstract: In a warehouse, commissioning points (28), at which the goods removed from the shelves (23) are combined with one another and rearranged (commissioned) to form groups of goods, are arranged so that they can be reached by all the storage and retrieval units which move along rails in the warehouse. The individual goods are taken from the shelves (23) to the commissioning point (28). The remaining goods are then taken back to the shelf again by the storage and retrieval unit.   <IMAGE>
Patent EP-0072586-A1 (EP)
Title: Magnetic tape cassette apparatus
Inventor: SCHIJVEN LUCAS WILHELMUS MARTI
IPC: G11B15/18
Filed: 1982-07-28
Abstract: O In a magnetic-tape cassette apparatus a pressure roller (7) and a magnetic head (6) are arranged on a head support (8). There is further provided a cassette compartment for receiving a magnetic-tape cassette (4), in which compartment an ejection lever (52) is pivotally mounted. This lever is pivoted upon insertion of a cassette into the cassette compartment and actuates switching means (12) for moving the head support towards the cassette and also tensions an ejection spring (69) which is kept in a tensioned condition by latching means. The switching means comprise a movable play member (65) and a pause spring (85) which is connected thereto and which is tensioned when the ejection lever is pivoted. The play member is latched by a pause latch (89) in the tensioned condition of the pause spring. The pause latch can be actuated independently of the latching means for enabling a pause mode without the necessity of releasing the ejection spring.
Patent EP-0061822-A1 (EP)
Inventor: PANEK EDWARD J
IPC: C08G65/28
Filed: 1982-01-25
Abstract: Polyethers having molecular weights of about 1000 to about 75,000 modified with alpha-olefin oxides having about 12 to about 18 carbon atoms exhibit increased thickening efficiency in aqueous systems. About 1 to about 20 percent by weight based upon the weight of the polyether is required, the proportion of alpha-olefin oxide modifier varying inversely with the molecular weight of the polyether. Modified polyethers, processes for the preparation of thickened aqueous systems, and thickened aqueous compositions are disclosed. The modified polyether thickening agents of the invention are particularly useful for thickening water or water-glycol mixtures which are useful as hydraulic fluids.
Patent EP-0087527-A1 (EP)
Inventor: KAWAGUCHI KIYOSHI
IPC: B29C51/08
Filed: 1982-02-26
Abstract: The peripheral portion (10b) of a flat, molecularly orientable material stock (10) of substantially uniform thickness having a temperature below the upper limit of the molecularly orientable temperatures of the plastic material is clamped, and the central portion (10a) of the plastic material stock (10) is introduced into a die cavity (3b) while compressing the central portion (10a) of an upper plunger (1) and a lower plunger (2), thereby forming a hollow preform (5') having a sidewall portion (5'b) made from the plastic material which has been forced out from between the upper plunger (1) and the lower plunger (2), while the sidewall portion (5'b) is kept in contact with the side surface (1b) of the upper plunger (1) kept at about molecularly orientable temperature. 
     Thereafter, while the upper plunger (1) is returning, a fluid under pressure is supplied into the hollow preform (5') to expand radially the sidewall portion (5'b), so that the sidewall portion (5'b) is brought into contact with the inner surface (3b,) of the die cavity (3b) kept at a temperature below the lower limit of the molecularly orientable temperatures for cooling and solidifying. 
     Thus, the sidewall portion (5b) of a plastic hollow article (5) is formed from the sidewall portion (5'b) of the hollow preform (5'), and a plastic hollow article (5) having a flange portion (5a), the sidewall portion (5b) which is molecularly oriented, and a bottom wall portion (5c) is made.
Patent EP-0072347-A1 (EP)
Inventor: MEYER WILLY
IPC: C07D239/52
Filed: 1982-08-02
Abstract: N-Phenylsulfonyl-N'-pyrmidinyl- und -triazinyl-harnstoffe der allgemeinen Formel <IMAGE> und die Salze dieser Verbindungen mit Aminen, Alkali- oder Erdalkalimetallbasen oder mit quaternären Ammoniumbasen haben gute pre- und postemergent-selektive herbizide und wuchsregulierende Eigenschaften. In dieser Formel bedeuten A einen durch Halogen, C1-C4-Alkoxy, C1-C4-Alkylthio, C1-C4-Alkylsulfinyl, C1-C4-Alkylsulfonyl, C1-C4-Halogenalkoxy, C1-C4-Halogenalkylthio, C1-C4-Halogenalkylsulfinyl oder C1-C4-Halogenalkylsulfonyl substituierten C1-C6-Alkylrest, oder einen durch die aufgezahlten Reste substituierten C2-C6-Alkenylrest, E die Methingruppe oder Stickstoff, X Sauerstoff, Schwefel, eine Sulfinyl- oder Sulfonylbrucke, Z Sauerstoff oder Schwefel, m die Zahl eins oder zwei, R1 Wasserstoff, Halogen, C1-C5-Alkyl, C2-C5-Alkenyl oder einen Rest -Y-R5, R2 Wasserstoff, Halogen, C1-C5-Alkyl, C2-C5-Alkenyl C1-C4-Halogenalkyl, oder einen Rest -Y-R5, -COOR6, -NC oder -CO-NR7-R8, R³ Wasserstoff, C1-C4-Alkyl, C1-C4-Alkoxy, C1-C4-Alkylthio, C1-C4-Halogenalkyl, Halogen, C1-C4-Halogenalkoxy oder Alkoxyalkyl mit höchstens 4 Kohlenstoffatomen, R4 C1-C4-Halogenalkoxy oder C1-C4-Halogenalkylthio, R5 und R6 je C1-C5Alkyl, C3-C5-Alkenyl oder C2-C6-Alkinyl, R7 und R8 unabhängig voneinander Wasserstoff, C1-C5-Alkyl, C2-C5-Alkenyl oder C2-C6-Alkinyl und Y Sauerstoff, Schwefel, eine Sulfinyl- oder Sulfonylbrücke. wobei A auch für den unsubstituierten C2-C6-Alkenylrest steht kann wenn gleichzeitig X Sauerstoff bedeutet.
Patent EP-0075540-A1 (EP)
Inventor: LEE PING I DR
IPC: C08L71/02
Filed: 1982-09-17
Abstract: Membrane-forming polymeric systems, which comprise the molecular association product of a polymeric carboxylic acid having at least 10% of the monomer units containing free carboxylic groups with an ethoxylated nonionic surfactant, allow the release of volatile and water-soluble active agents at a controlled, uniform rate and over a prolonged period of time into the environment of use.