baber/WOPTO huggingface dataset:
Patent GB-1182200-A (GB)
Title: Process for the Continuous Production of Addition Products of Propylene Oxide.
IPC: C07C41/02
Filed: 1967-08-31
Abstract: 1,182,200. Products of propylene oxide. HENKEL & CIE G.m.b.H. 31 Aug., 1967 [1 Sept., 1966], No. 39781/67. Heading C2C. The continuous production of addition products of propylene oxide with alcohols, phenols or addition products of ethylene oxide or propylene oxide with an alcohol or phenol is effected in a process in which propylene oxide and the reactive hydrogen-containing compound are passed, in a molar ratio of from 1:1 to 4:1 in the presence of one of the usual catalysts and under a pressure such that the reaction mixture remains liquid, through an elongated tube-like reactor having a small cross-sectional area, said reactor being surrounded by a heat exchanger such that the reaction mixture reaches a temperature of from 170-260 C. in the first portion of said reactor and a maximum temperature of from 260-350 C. in the second portion of said reactor, the time between which the reaction mixture attains its maximum temperature and leaves the reactor being not more than 5-30% of the total reaction time which is from 8 to 150 seconds, the pressure being such that the reaction mixture remains in liquid form, the product being cooled to a temperature of less than 180 C. immediately after leaving the reactor. Specified examples produce the adduct of 2 mols propylene oxide to 1 mol lauryl alcohol, 2 mols propylene oxide to 1 mol oleyl alcohol, 2 mols propylene oxide to 1 mol of the addition product formed from reacting 2 mols ethylene oxide with a C 12-14  alcohol mixture, 3 mols propylene oxide to 1 mol of the addition product formed from reacting 2 mols ethylene oxide with a C 12-14  alcohol mixture, and 2 mols propylene oxide with 1 mol nonylphenol. Sodium methylate is the catalyst used in each example.
Patent GB-1193359-A (GB)
Title: Check Valve
IPC: F16K15/03
Filed: 1968-08-22
Abstract: 1,193,359. Valves. GRAY TOOL CO. 22 Aug., 1968 [29 Nov., 1967], No. 40262/68. Heading F2V. A valve includes a housing 14, Fig. 2, having a through passageway 36 with a chamber 22 delimited at one end by a radially directed annular seat, a valve disc 58 having two aligned trunnions 60 laterally offset from a diameter of the disc and received in slots 32, 34 axially longer than the diameter of the trunnion, sockets 28, 30 communicating with the slots and containing compression springs 92 resiliently pressing the trunnions upstream against the housing, and further spring means 78 resiliently pressing the disc against the seat, whereby upstream fluid flowing against the disc moves the disc downstream by compressing the springs 92 and rotates the disc against the restoring force of the further spring means 78. The latter may be made from Inconel (Registered Trade Mark) and has a tip 88 connected by lateral coils to horizontal legs received in parallel grooves in the upper face of the disc 58. The seat is provided with an annular groove containing an O-ring 54 for engagement with the lower face of the disc. The body may consist of two parts in threaded engagement with each other and have a corrosion resistant cladding of stainless steel in a carbon steel jacket. Each part has an external flange for engagement by a clamp connector and an internal conical face to receive a sealing ring inserted between the valve and adjoining pipe section. Fig. 11 shows a further modification, for low pressure applications in which the springs engaging the trunnions 260 are omitted and a spring 278 anchored on a retainer ring 279 resists both longitudinal and pivotal movement of the disc 258. Guide ears 272 having surfaces 273 curved about the trunnion axis and a point below the trunnion axis bear against a shoulder 246 during displacement of the disc to ensure smooth operation. The Specification includes examples of dimensions for some of the valve parts.
Patent GB-1123919-A (GB)
Title: Warning flasher device
IPC: B60Q11/00
Filed: 1966-09-09
Abstract: 1,123,919. Flashing lamps. W PRIESEMUTH 9 Sept., 1966 [14 Oct., 1965], No. 40390/66. Heading G4Q. With switch SN in the unoperated position shown, direction indicating lights HR, VR and HL, VL on the right and left sides of the vehicle respectively are energized via flasher unit BG and the direction indicating switch SF; however in the event of an emergency all lights can be made to flash simultaneously by operation of switch SN which includes a section 18 which maintains the emergency flashing even when the ignition switch Z is turned off. The flasher unit is of the type which increases its flash frequency when the load drops below a set value hence a further tell-tale lamp KN is provided which in the event of up to 3 of the lamps failing, maintains the load above this set value and hence the flash frequency constant.
Patent GB-904081-A (GB)
Title: Improved electrically driven lawnmower
IPC: A01D69/02
Filed: 1960-11-24
Abstract: 904,081. Rotary-scythe lawnmowers. WOLFGERATE G.m.b.H. Nov. 24, 1960 [Nov. 25, 1959; Sept. 8, 1960], No. 40472/60. Class 6(3). In a rotary-scythe mower wherein the prime mover is an electric motor M mounted on and insulated from the mower frame 1 and the upwardly-projecting part of the motor is protected by an insulating cowling 4, the cutter blade 6 being mounted on the motorspindle 11 by means of a hub 7, 8 which insulates the spindle from contact with electrical conductors. The motor is mounted on the frame 1 by rubber bushes 2 having integral studs which are engaged by nuts 3, there being no electrical contact between the motor and the nuts 3. The plastic cowling 4 is in two parts, the upper part having ducts 10 for ventilation, an airstream being produced by integral vanes 8<SP>11</SP> on a dish-shaped part of the hub 8. The blade 6 is sandwiched between the member 8 and a cap 7 with an integrallyembedded screw 9 which engages the spindle 11. In Fig. 3, the hub-portion 28 has labyrinthinl portions 29 which mate with similar portions 30 on the lower part 5<SP>11</SP> of the motor cowling.
Patent GB-1247305-A (GB)
Title: Improvements in or relating to a fluidic control arrangement for a reciprocable valve member
IPC: F15C1/00
Filed: 1969-08-13
Abstract: 1,247,305. Fluid logic switching circuits. W. KRAUT [trading as BIZERBA-WERKE WILHELM KRAUT K. G. |, Aug. 13, 1969 |Aug.29, 1968|, No.40485/69. Heading F1P. Opposite sides 23, 24 of a compressed air operated diaphram 19 Fig. 1 for reciprocating the piston valve 14 of a known milking machine pulsator are connected by passages 31, 32 to the outlet channels 38, 39 Fig.3 of a fluid logic switch 35 having a constant compressed air supply channel 37, leading to a nozzle 42 and a chamber 43 from which diverge the channels 38, 39 and vent passages 44, 45; the arrangement being that when the air supply is directed along channel 38 to side 23 the initial pressure rise in side 24 and hence in channel 39 stabilizes the flow in channel 38 and at the end of the downward stroke of diaphram 19 the pressure rise in side 23 and channel 38 deflects the air issuing from nozzle 42 into channel 39 and side 24 to effect the return stroke. In a modification the upward return stroke is effected by a spring 47 and the side 24 instead of being connected to channel 39 Fig.4 is vented to atmosphere, vent 45 is omitted and channel 39 is vented to atmosphere at 48. At the end of the downward stroke the pressure rise in channel 38 deflects the air jet along channel 39 and through vent 48. The diaphram is then returned by spring 47 and the decrease in pressure in channel 39 results in the jet being returned to channel 38.
Patent GB-1247780-A (GB)
Title: Pneumatic governor for a fuel injection pump of an internal combustion engine
Inventor: AVRAMENKO ALEXANDR KUZMICH
IPC: F02D1/00
Filed: 1969-08-13
Abstract: 1,247,780. Fluid-pressure servomotor systems. MASHINOSTROITELNY ZAVOD IMENI F. E. DZERZHINSKOGO. Aug.13, 1969, No.40504/69. Heading G3P. A governor for a fuel injection pump 18 of an I.C. engine comprises a housing 1 having five chambers 2, 3, 4, 5, and 6 separated respectively by diaphragms 12, 13, 14, and 15, an output shaft 16 of the governor being connected to the diaphragm 12 and the adjustment rack 17 of the pump, the chambers 2 and 4 being connected with atmosphere via ports 19, 21, respectively, and the chambers 3 and 6 communicating with each other via a conduit 20, the diaphragm 13, 14, 15 being connected by a rigid portion 29 having a nozzle 32 which establishes communication between the chambers 5 and 6, a spring-biased valve 33 controlling communication between the chamber 6 and atmosphere via a filter 35, the chamber 5 communicating with the intake manifold 23 of the engine, and spring 36, 37, and 38 connecting the diaphragm 12 with the rigid portion 29. In operation, manifold vacuum is transmitted to the chamber 5 via a chamber 43, in a housing 42, and a conduit 22. Vacuum in the chamber 5 forces the assembly 13, 14, 15, and 29 to the left, to lift nozzle off valve 33 and communicate the vacuum to the chambers 6 and 3, to move the diaphragm 12 and rack 17 to the right. Movement of the diaphragm 12 is transmitted to the rigid member 29 via spring 36, 37, and 38, which have different rates, to open valve 33 and connect chambers 3, 6 to atmosphere and allow the diaphragm 12 to be moved back by the springs to repeat the cycle until equilibrium is established. The housing mechanism 42 adjusts the rack 17 when the engine is changed from a low power setting a full power. Reduced pressure in the chamber 43 moves diaphragm 45 against the action of a spring 47 to pivot a lever 53 and move the rack and a pin 57. If, a manual mixture enriching lever 56 is operated, a valve 51 connects conduit 22 and chamber 5 to atmosphere and allows the rack to be moved.
Patent GB-1174534-A (GB)
Title: Shoe Horn with an Elongated Handle
Inventor: BREITHOR JOACHIM-HANS
IPC: A47G25/82
Filed: 1968-08-26
Abstract: 1,174,534. Shoe horn. J. H. BREITHOR. 26 Aug., 1968, No. 40744/68. Heading A3B. [Also in Division A5] A long-handled shoe horn 1 has a wide portion 111 which is used as a shoe horn, a long tapered handle 4, a hook 2 attached to the narrow end 1<SP>1</SP> and a comb shaped web 3 extending across the back of the wide portion 1<SP>11</SP>. The hook 2 may be used for closing sliding clasp fasteners e.g. at the back of a dress, and the comb shaped web 3 may be used as a massage device e.g. for massaging the back.
Patent GB-1382216-A (GB)
Title: Rotary tower crane
IPC: B66C23/30
Filed: 1973-08-30
Abstract: 1382216 Self-erecting tower cranes H LIEBHERR 30 Aug 1973 [27 Oct 1972] 40771/73 Heading B8B A rotary tower crane with a rotatable head 6 carrying a jib 7 comprises a tower made up of three portions 1, 2, 3 of progressively decreasing cross-section, each portion having a number of detachable sections within that portion. A hollow frame structure forming a climbing sleeve 4 has a slewing ring 5 on its top supporting a head 6 carrying a jib 7 and a counter-jib 8. Additional sections are added to the top of the tower by the sleeve 4 climbing up the tower, crab 9 and load hook 10 being used to lift the sections. The sleeve 4 engages the tower through guide members, provided at three levels 12, and adjustable with respect to the sleeve 4 to allow the sleeve 4 to climb at least two different portions, 2, 3, of the tower of mutually different cross-sections.
Patent GB-894324-A (GB)
Title: Improvements in or relating to directly registering recording apparatus
IPC: A61B5/0432
Filed: 1959-12-02
Abstract: 894,324. Recording-apparatus. HELLIGE & CO. G.m.b.H., FRITZ. Dec. 2, 1959 [Dec. 3, 1958], No. 40892/59. Class 106 (4). In recording-apparatus in which a recording- arm 4, moved in accordance with an electrical variable, presses an ink ribbon 2 against a record strip 1 where they pass over a support 3, the ink ribbon 2 is vibrated in the plane of recording whilst colour transfer is taking place. The ribbon 2 may be driven parallel to the record strip 1 but in the opposite direction or it may be driven transversely to the path of the strip either at right-angles thereto or deviating from the right-angle by a small angle. A motor 8a drives the ribbon winding-on roller 8 and another motor 10, or a pair of such motors, vibrates the whole ribbon feed assembly in a direction transverse to the direction of feed of the ribbon. A protective strip 15 may be fixed between the recording-arm 4 and ribbon 2 to prevent the arm vibrating in sympathy. In another embodiment, Fig. 5, a carbon paper strip 22 is drawn from a supply roll 29 and rewound on a roller 28, after passing round two slim guide rollers 30, 31 connected to a crossbar 32. The bar 32 carries an armature 32a working in two coils 34a, 34b receiving current from an oscillation generator 35. Preferably, the amplitude of vibration should lie between 0.1 and 0.5 mm. and the frequency between 100 and 300 cycles per second.
Patent GB-974968-A (GB)
Title: Standing wave amplifier
IPC: H03F7/04
Filed: 1960-12-01
Abstract: 974,968. Parametric amplifiers. INTERNATIONAL BUSINESS MACHINES CORPORATION. Dec. 1, 1960 [Dec. 23, 1959], No. 41279/60. Heading H3B. In a parametric amplifier, a signal of frequency f is transmitted over a line section including conductors 1, 2, and a non-linear dielectric 3 and a pumping voltage of frequency 2f is connected in the same phase to different points along the line section. Arcuate line conductors 1, 2 are connected to the pump by conductors 9, 10 having the shape of a segment of a circle. A voltage pump 14, Fig. 4, may be connected to closely spaced points on a straight line section 13 over connections, all having the same transmission time. A separate oscillator 15, 16 &c., Fig. 5, may be used for each point. The dielectric material may be tri-glycene sulphate or barium titanate and the conductor may be sprayed, painted or orherwise deposited thereon. The device is preferably operated at the Curie temperature of the dielectric at which temperature, the non-linearly of the capacitance is very pronounced.
Patent GB-1270664-A (GB)
Title: Improvements in or relating to the production of electroforms
Inventor: MADDOCKS HERBERT FERNYHOUGH
IPC: B23H3/04
Filed: 1968-08-30
Abstract: 1,270,664. Electro-forming. H. F. MADDOCKS. Dec. 1, 1969 [Aug. 30, 1968], No. 41442/68. Heading C7B. An electro-form e.g. an electro-machining electrode is produced by electro-depositing one or more coatings of metal or alloy e.g. Cu from a Cu pyrophosphate on a mould or mandrel produced from a Zn/Sn alloy having a lower melting point than the coating metal or alloy and removing the mould or mandrell from the coating (s) by immersing the coated mould or mandrel in a liquid e.g. oil having a temperature between the melting points of the coating (s) and mould or mandrel alloy. The electro-form is preferably rotated in the hot liquid and any residue remaining thereon may be eliminated by washing in caustic soda or HCl solution. The Zn/Sn alloy may comprise 92% Sn and 8% Zn, each Œ0À2%, impurities not exceeding 0À05%.
Patent GB-1057059-A (GB)
Title: Improved casement window or ventilator flap
IPC: E06B3/34
Filed: 1964-10-12
Abstract: 1,057,059. Window pivots. R. L. SCARLETT. Oct. 11, 1965 [Oct. 12, 1964], No. 41507/ 64. Heading E2F. A window sash is pivoted along its lower edge by a groove 15 in the sash engaging an iron or steel tube 8 screwed to the lower member 6 of the fixed frame by screws 9 projecting outwardly from the tube bore. U-shaped brackets 16 passing round the tube are fixed to the sash by bolts 18 engaging nuts 22 on a securing plate 19. The window can be pivoted to a variety of different positions and clamped by a screw (27 Fig. 1 not shown) engaging a slotted member 26 (not shown).
Patent GB-1306015-A (GB)
IPC: F28D15/02
Filed: 1971-09-06
Abstract: 1306015 Cooling rotary kilns FIVES LILLECAIL 6 Sept 1971 [9 Sept 1970 11 June 1971] 41529/71 Heading F4B A rotary kiln or heat exchanger comprises a ring 14 fixed to the cylindrical body 10 of the apparatus by one or more annular webs, a sealed annular chamber formed between the ring 14 and the body 10 and scoops 20 integral with the ring 14 and arranged to pour liquid contained in the chamber over the surface of the kiln body 10 so that evaporated liquid condenses on the inner surface of the ring 14 and runs down to the bottom of the chamber, so reducing the thermal stresses between the ring and the body. The chamber may be closed by the annular webs 16 supporting the ring, Fig. 2, and pyrometers 21 directed to the joins between the webs and the body 10 enable the process to be monitored. In a modification, Fig. 4, tubes or hollow plates 22 are arranged to open into the chamber through the webs 16 and have external fins to increase the cooling effect. The internal walls of the chamber may be lined with porous or capillary material, e.g. braided wire, glass or metal fibre or porous metal or be grooved to facilitate the return of condensed coolant.
Patent GB-968380-A (GB)
Title: Improved gas-liquid contact process and apparatus
IPC: B01D47/06
Filed: 1960-12-05
Abstract: 968,380. Washing gases. J. P. TAILOR. Dec. 5, 1960 [Dec. 11, 1959], No. 41825/60. Heading B1R. Gas to be washed enters an annular chamber formed between inner and outer cylindrical shells 15 and 31 through a tangentially arranged inlet 17 and passes through perforations in the wall of the shell or baffle 31, over which streams of washing liquid are flowing, to a gas outlet 22. Washing liquid is supplied by sprays 28 and 29 to flow over the inner and outer surfaces of the baffle 31 and the upper and lower ends of the annular chamber are sealed by washing liquid from spray 29 filling the space between Venturi-shaped extensions of the inner and outer shells and by the liquid in the sump 24 the level of which is controlled by a controller 47. The straight portion of the Venturi-shaped extension of the inner shell is also perforated and it may have a downwardly directed conical baffle 70 as shown in Fig. 4. The perforations in the inner shell may be ¢ inch diameter holes punched on 1 inch centres or rectangular holes 1 inch in length and “-# inch in width.
Patent GB-1363033-A (GB)
Title: Derivatives of 22-fluoro-digoxins
IPC: A61K31/585
Filed: 1972-09-08
Abstract: 1363033 22-Fluorodigoxin derivatives DR KARL THOMAE GmbH 8 Sept 1972 [11 Sept 1971] 41889/72 Heading C2U The invention comprises compounds of formula wherein one of R 1  and R 2  is H and the other is C 1-3  alkyl; or R 1  is H and R 2  is C 1-5  aliphatic carboxylic acyl; or R 1  and R 2  together represent >C(A)(B) where A and B are each H or alkyl (at least one being alkyl), or A, B and the intervening carbon atom together represent a 5- or 6-membered alicyclic ring; or R 1  and R 2  together represent >C(OR 3 )(R 4 ) where R 3  is alkyl and R 4  is H or a C 1-4  alkyl group. Compounds (I) are prepared from 22-fluorodigoxin by alkylation, acetalization, ketalization, esterification or orthoesterification. Preferably, the 3<SP>111</SP>-monoesters are prepared via the 3<SP>111</SP>,4<SP>111</SP>-orthoesters. 22-Fluorodigoxin is prepared as described in Specification 1,320,361. Compounds (I), with the exception of those wherein R 1  and R 2  represent >C(OR 3 )(R 4 ), are said to be cardioactive, and may be made up with carriers into pharmaceutical compositions fororal, rectal and parenteral administration. Reference has been directed by the Comptroller to Specification 1,320,361.
Patent GB-926365-A (GB)
Title: Air-cooled internal combustion engine unit
IPC: F01P5/02
Filed: 1959-12-09
Abstract: 926,365. Cooling cylinders; driving-gear. KLOCKNER - HUMBOLDT - DEUTZ A.G. Dec. 9, 1959 [Dec 11, 1958], No. 41897/59. Class 7(2) A fan 14 blows air over Vee-engine cylinder blocks 1, 7 and over heat-exchangers 17, 18 for the operating liquid of a hydraulic gear and/or clutch (not shown) driven by the engine and located on the other side of the engine flywheel 19 therefrom. Fig. 1 (not shown) illustrates a prior arrangement of a single heat-exchanger in the fan inlet duct. Reference is also made to a prior engine having air blown into an annular chamber from which it flows in opposite axial directions over the engine cylinders and a hydraulic transmission cooler respectively.
Patent GB-1032598-A (GB)
Title: Improvements in or relating to heating apparatus
IPC: C03C10/00
Filed: 1964-10-14
Abstract: 1,032,598. Incandescent gas fires; heat distributers. FUJI SHASHIN FILM KABUSHIKI KAISHA. Oct. 14, 1964 [Oct. 14, 1963], No. 42018/64. Heading F4W. A heating apparatus comprises a source of radiant heat and a plate of heat resistant crystalline glass spaced from the source, the glass comprising SiO 2 , Al 2 O 3 , Li 2 O and ZrO 2  and having a thermal expansion coefficient less than 20 x10<SP>-7</SP> <SP>‹</SP>C.<SP>-1</SP>. In a gas heating appliance, the burner, the spacing of the plate from the source, or a supplementary fuel supply is arranged so that the maximum temperature in the space between the source and the plate is at least 800‹ C., so that the wavelength of the radiant heat falls outside the absorption band of the glass plate. Crystalline glasses of the composition described in Specification 1,010,513 may be used.
Patent GB-1162306-A (GB)
Title: Process for the Preparation of Thiobis Phenols
IPC: C07C319/20
Filed: 1967-09-15
Abstract: 1,162,306. Thiobisphenols. ETHYL CORP. 15 Sept., 1967 [16 Sept., 1966], No. 42116/67. Heading C2C. [Also in Division C5] Sterically hindered thiobisphenols are prepared by reacting a sterically hindered halophenol with a metal sulphide in a mutual solvent. The mutual solvent is such that both reactants are sufficiently soluble in it to give a reasonable reaction rate under the conditions employed. Mixtures of water and alcohols, ketones or ether alcohols. Preferred halophenols are of the formula where R 1  is an alpha-branched alkyl group of 3-20 carbon atoms, an alpha-branched aralkyl group of 8-20 carbon atoms or a cycloalkyl or alkylcycloalkyl group of 6-20 carbon atoms, R 2  is an alkyl group of 1-20 carbon atoms, an aralkyl group of 7-20 carbon atoms or a cycloalkyl or alkylcycloalkyl group of 6-20 carbon atoms and X is Cl, Br or I.
Patent GB-1396315-A (GB)
Title: Fasteners
IPC: B21J15/02
Filed: 1971-09-10
Abstract: 1396315 Riveting; making blind riveting mandrels; drills; jointing by forging; TUCKER FASTENERS Ltd 11 Sept 1972 [10 Sept 1971] 42272/71 Headings B3U B3A B3C and B3H [Also in Division F2] A self-drilling, blind riveting, mandrel device comprises a setting collar 26 positioned between a stem 24 and a coaxial stalk 28 which receives an axially extending recess in a drill element D. The mandrel M is formed by upsetting a steel wire to form a collar 26 between a stalk 28 and a pulling stem 24 which receives the tubular rivet R. The stem 24 is formed with a neck 32 at which the stem 24 breaks in the setting operation. The stalk 28 may be knurled by rolling (Fig. 8, not shown), swaged to form two fillets (42) (Fig. 7, not shown), or formed into a substantially square cross-section (Fig. 9, not shown). The drill element D is made (Figs. 1-4, not shown), by die forming a steel blank (34) to produce an annular flange (36) and a recess (30), after which the blank is swaged between dies as described in Specifification 1,195,246, to form a drill tip having an elliptical cross-section and two longitudinal flutes. The cutting edges of the drill tip are carbonized after removing waste metal (38, 40). The flange (36) of the drill element D is broken off when the element D is forced on to the mandrel stalk 28. The mandrel stalk 28 may be glued in the recess (30) of the drill element D with adhesive and the stalk 28 and recess (30) may be screw threaded. Alternatively, the stalk 28 may have a frusto-conical (Fig. 6, not shown), or cruciform shape (Fig. 11, not shown), to facilitate detachment of the drill element D after rivet setting. In another embodiment (Figs. 12 and 13, not shown), the drill element D is formed around the mandrel stalk 28 by swaging the end of a steel tube (60), heated by coils (62), on to the stalk 28.