baber/WOPTO huggingface dataset:
Patent DE-4038735-A1 (DE)
Title: Gas separator for sepg. gases from gas mixt. selectively - has 1st wall section of partition of piezoelectric crystal with electrodes and 2nd wall section forms adjustable gap
Inventor: WEISSBERG ROMAN
IPC: B01D53/32
Filed: 1990-12-05
Abstract: In a gas separator having a gas-tight housing connected to a vacuum pump, the housing (1) is partitioned (4) into first and second chambers (2,3), the first chamber (2) having a gas inlet opening (5) and the second chamber (3) being connected to the vacuum pump. A first wall section (7) of the partition (4) consists of a piezoelectric crystal equipped with electrodes (9,10) and forms, with a second wall portion (8) of the partition (4), a gap (15) whose width is adjustable by voltage application to the electodes. ADVANTAGE - The separator separates gases from gas mixts. with adjustable selectivity and does not require regeneration.
Patent DE-4040312-A1 (DE)
Title: Spring contact pin for contacting electrical or electronic test pieces e.g. PCB, integrated circuit - has doubled spiral spring coiled round section of shaft projecting from conductive sleeve
Inventor: KRUEGER GUSTAV DR
IPC: H01R11/18
Filed: 1990-12-17
Abstract: A conductor contact element is axially guided in a conductive sleeve (2). A double coiled spiral spring (5, 19) serves as the spring element for the contact element (3). The spiral spring can be formed from two neighbouring ones (20, 21) bunched to describe the same working path. - At least at one end region, but pref. at both (22, 23) the spring windings lie on each other. The shaft (7) of the contact element penetrates the sleeve. In the unloaded condition of the contact pin (1), a shaft end (13) protrudes from the sleeve to enter an extension piece (14) which can be in the form of an end tube (15) fitted to shaft end, e.g. at a laser-welded point (16).
Patent DE-4100143-A1 (DE)
Title: Rainfall measurer using beaker - has graduated ring rotatably mounted on annular section and cooperating with other graduations on container
IPC: G01W1/14
Filed: 1991-01-04
Abstract: The beaker, open at the top, has at least one annular section on a side wall. A ring (22) is rotatably mounted on the annular section (10). A first marking (30) is provided either on the ring or the side wall (6) of the container (2). A second marking (32) is provided on the other part, i.e. ring or side wall. The relative position of the markings is variable by rotation of the ring. One of these markings can be a scale so that, by rotation of the ring relative to the beaker, the indicated scale value can be increased, e.g. by the amt. of daily rain fall, to display a total value. The side wall can have a circumferential shoulder (8) enabling the container to be releasably supported on a carrier ring (10) with a fixing section (12). ADVANTAGE - Rain fall can be measured over long period.
Patent DE-4102316-A1 (DE)
Title: Distribution device for electrical plant in air and space travel - has base with retained distributor elements for accommodation and connecting of electrical connections
Inventor: KIRMA SAFA
IPC: H01R9/24
Filed: 1991-01-26
Abstract: The base comprises two segments (12) consisting of distributor components, partic. flat plugs, bushes, or pins, and in the area of the ends (6,7) of the base an end piece (8) is arranged. The distributor components extend with contact longitudinal axes (20) crossways to a base longitudinal axis (5). At least one of the end pieces (8) has at least one pin which is accommodated in a recess in the region of the base. At least some of the distributor components are surrounded by insulators which extend along the contact longitudinal axes. It is also possible for there to be two rows of distributor components which extend along the base longitudinal axis (5), pointing in opposite directions to one another. The base is formed from module-type interconnectable elements which have recesses for accommodation of rod-shaped connecting components coupling the base elements together, and fits on to an assembly rail. ADVANTAGE - Improved distributor for electrical plant in air and space travel applications, with which at low outlay it is possible to match distributor capacity to concrete requirements.
Patent DE-4104399-A1 (DE)
Title: Mixer assembly - has charge and discharge funnel located outside the main mixer drive shaft
Inventor: RUBERG SEN BERNHARD
IPC: B01F7/16
Filed: 1991-02-14
Abstract: A mixer assembly in a drum with a powered cell has blades and is secured to a frame so that it may be rotated about an axle. A mixer drum is joined to a funnel which serves to both charge ingredients and discharge mixed products to and from a standard sized drum; the funnel is located outside the main mixer drive shaft on the mixer drum. The charge and discharge is pref. achieved by gravity and change of drum position with an articulated support. USE/ADVANTAGE - The arrangement enables the mixer to discharge mixed products into standard drums without first discharging into another intermediate vessel
Patent DE-4105897-A1 (DE)
Title: Prepn. of 4,4'-di:alkoxy-2,2'-bi:thiophene used for oxidn. stable polymers - by reacting 3-alkoxy:thiophene with metallo-organic cpd., then tri:methyl:chloro:silane using copper halide catalyst and acid hydrolysis
Inventor: WEGENER PETER DR
IPC: C07D333/32
Filed: 1991-02-26
Abstract: Prepn. of 4,4'-dialkoxy-2,2'-bithiophenes of formula (I) comprises reacting a 3-alkoxythiophene with a metalorganic cpd. then reacting with trimethylchlorosilane (TMCS) and metallising the trimethylsilyl-3-alkoxythiophene in position 5 - under the catalytic action of a copper (II) halide in 5,5'-ditrimethylsilyl-4,4- dialkoxy-2,2'-bithiophene then acid hydrolysis with cleavage of the trimethylsilyl gp. to give (I). In (I) R1 = opt branched 1-12C alkoxy or -O(CH2CH2O)nCH3; n= 1-4; and R2 = H, halogen or opt. branched 1-12C alkyl. Pref. the 3-alkoxythiophene is reacted with butyllithium, esp. in a stoichiometric ratio. USE/ADVANTAGE - Electropolymerisation or chemical oxidn. of (I) provides intrinsic electroconducting polymers with stability and capacity properties, e.g. esp. high optical transmission. Polymerisation of (I) (alkoxy = methoxy) gives high positive charge per thiophene-units. Polymers from it, have better oxidn. stability than the 3,3'-derivs.
Patent DE-4106664-A1 (DE)
Title: Battery charge indicator for all types of sizes of battery - has microencapsulated display crystal which undergoes colour change according to charge of connected battery
Inventor: LUECKE HANNS W
IPC: G01R31/36
Filed: 1991-03-02
Abstract: A battery charge indicator, which can be integrated during battery mfr. or added later, contains a microencapsulated display crystal which undergoes colour changes when carrying current as a result of being connected to the battery terminals. The colour changes indicate the present charge capacity. The connection arrangement enables current flow from the positive battery terminal to the crystals and back to the negative terminal. USE/ADVANTAGE - The charge indicator is suitable for all types and sizes of battery from domestic batteries through vehicle batteries up to large batteries and accumulators.
Patent DE-4110934-A1 (DE)
Title: Control system for hydraulic or thermohydraulic pipeline network
Inventor: RAEHDER CHRISTIAN DR
IPC: F24D10/00
Filed: 1991-04-02
Abstract: The control system provides setting parameters for the circulation pump and the pressure or flow control elements, dependent on the relationship between the pressure and volumetric flows at different points in the pipeline network. Pref. the measured parameters are provided by spaced pressure, volumetric flow and temp. sensors.
Patent DE-4116299-A1 (DE)
Title: Doubling table for draw-frame - has continuous prodn. ensured using separate feed for reserve sliver
Inventor: FISCHER ROLAND
IPC: D01G23/00
Filed: 1991-05-17
Abstract: Appts. for supplying fibre sliver, pulled to a textile machine via an intake table has a transport belt for the fibre, and a reserve line in a position ready to be taken up if the fibre sliver breaks or comes to the end.  The starting belt of the reserve line runs in the space between the individual transport belts.  The length (t) of the starting belt is less than that of the length (n) of the transport belt. ADVANTAGE - The new sliver can be joined on to the old without difficulty even when the alignment of the new sliver is not the same as the original.
Patent DE-4125859-A1 (DE)
Title: Simple, cheap water scale magnetic dispersion appts. - has two=part tubular housing with linked inner channel and ring outer channel
Inventor: SCHULZE ELFRIEDE
IPC: C02F1/48
Filed: 1991-08-03
Abstract: The housing parts contg. a magnet assembly to prevent scale formation and build-up in water pipes, has one housing part as an inner section with a channel forming the housing axis, covered by the second housing part at least over part of its length. A ring channel is formed between the outer surface of the inner housing and the inner surface of the outer housing part, linked to the inner channel by at least one opening. The housing parts each have a connection opening separately into the two channels. The magnet assembly is fitted round the outer housing part. ADVANTAGE - The appts. gives a trouble-free operation, in a simple structure which can be produced cheaply.
Patent DE-4126708-A1 (DE)
Title: Plastics or plastics coated pipe coupling - has cage forming groove to hold even rigid inflexible sealing rings
Inventor: WEINHOLD KARL DIPL ING
IPC: F16L23/16
Filed: 1991-08-13
Abstract: The cage (11) can be a ring collar whose pipe section (10) forms the base of the groove. Its collar (12) forms one side flank, and a shoulder (9) on the coupling half forms the opposite flank of the groove. On the inside of the cage there are pref. circumferentially spaced out webs whose ID is slightly less than the OD of the end section of the pipe half (1) on which the cage is axially fitted. USE/ADVANTAGE - Pipe coupling. The sealing rings can either be pushed together with the cages onto the pipe halves or can first be pushed onto the pipe halves, followed then by the cages. The sealing rings need not be elastically deformed.
Patent DE-4128192-A1 (DE)
Title: Automatically erectable antenna esp. for mobile radio - is deployed by natural resilience of spring steel liberated from catch by operation of transceiver switch
Inventor: PFISTER HEINZ ING GRAD
IPC: H01Q1/24
Filed: 1991-08-24
Abstract: The antenna includes a rod (1) of spring steel, curved at right angles to its length and screwed (20) into a plastic holder (11) and wound partially around the housing (2) of the appts. until it's free end enters a snap fastening (3) at the far side. The antenna is erected on release of a slider (7) with an integral catch (6) acted upon by one or more compression springs (9). The release key (14) switches on the transceiver. ADVANTAGE - Simple antenna forms part of housing of electronic equipment, and its erection does not impair watertightness of housing.
Patent DE-4135943-A1 (DE)
Title: Compressed-air automotive brake cylinder - has bayonet-coupling lugs each in two parts divided by rib
IPC: B60T17/08
Filed: 1991-10-31
Abstract: The brake cylinder has an annular supporting section with compressed-air union and onto which a pot-shaped cylinder section of thin sheet-metal fits. The two are secured together by a bayonet coupling, with lugs evenly spaced round the periphery, cut out from the sheet-metal of the cylinder and bent inwards. These bear against mating faces formed on the supporting section. The lugs of the cylinder are each divided into two, so that each mating face on the supporting section is opposite two half-lugs (19,20) separated by a rib(18). The dimension of the double lug(14) in the peripheral direction can be the same as that of the mating face. This brake cylinder forms the spring-brake cylinder of a combined single-chamber cylinder. ADVANTAGE - Strength and light weight.
Patent DE-4136199-A1 (DE)
IPC: H01H13/04
Filed: 1991-11-02
Abstract: A push-button switch is proposed having a housing (11) and having a push-button plunger which can be displaced essentially in the axial direction from its outer limit position into the housing (11) as far as an inner limit position, and back out therefrom, and in this case opens at least one switch contact which is arranged inside the housing (11), is interrupted after the displacement of the push-button plunger from its outer limit position and is held in the interrupting state independently of the stroke positions following this in the movement direction of the inner limit position. At the same time, a switch mounting device (14) is arranged on the housing (11). <IMAGE>
Patent DE-4200603-A1 (DE)
Title: Dispensing of charges of medium with specified measurement parameter demand value - using dispensing system with measurement transducer and adjustable extraction device
Inventor: SCHILLINGS MICHAEL DIPL ING
IPC: G01G11/08
Filed: 1992-01-13
Abstract: The method involves using a dispensing system with a transducer monitoring the measurement parameter or its rate of change and a widely adjustable medium extraction device. The output rate is set according to the desired value at the start of the dispensing process and reduced towards the end of the process according to a defined programme. The fill level and residual vol. of a container are compared with the desired value. When the desired level is approached the rate is reduced independently of the defined programme until it is null when the maximum container fill level is reached. USE/ADVANTAGE - E.g. for filling a tank by vol. or wt. Certain human errors, e.g. wrongly specifying the fill quantity leading to overflows, are eliminated.
Patent DE-4204326-A1 (DE)
Title: Solar cell battery pack for lap-top or note-book computer - has cover with solar cells on inner and outer surfaces for maximum charge effect
Inventor: REICHERT JUN OTTO
IPC: G06F1/16
Filed: 1992-01-15
Abstract: The laptop or notebook computer has a base containing the computer (1) and keyboard (4). Hinged to this to a monitor (4) that can be laid flat when not in use. Electrical power is provided by a battery pack that is maintained in a charged conductor by solar energy cells. The solar energy cells cover the inner and outer surfaces of a cover (3). This enables charging to take place when the unit is in use as well as when being inactive. ADVANTAGE - Improves battery charging process.
Patent DE-4208415-A1 (DE)
Title: Bottle with opening closure for single hand handling - has rocker lever with one arm forming closure, and second arm parallel to outside wall of bottle.
Inventor: HERING ROLF
IPC: B65D47/26
Filed: 1992-03-16
Abstract: The second arm (22) of the lever (20) lies in an outside wall of the bottle which can be pressed to squeeze out the contents.  The closure part (18) can be a slide bolt movable across the outlet opening of the bottle and provided with a detent nose for locking in the closed position. The rocker lever can be set in an indentation in the bottle body (12).  The outside edge of the second arm pref. adjoins a bearing face of the bottle body.  The second arm is pref. at least partly spring elastic in a region from its outer edge to the rotary axis of the lever. ADVANTAGE- For cosmetics etc.,with easy,low force opening and closing.
Patent DE-4210169-A1 (DE)
Title: Hard cardboard cigarette box with hinged lid - has swivel flaps connecting lid faces with box faces to form obtuse recess opening upwards for easier access to contents.
Inventor: PAUL JAN
IPC: B65D5/66
Filed: 1992-03-26
Abstract: When the box is closed the swivel flaps (30) lie flat between the planes of each box face (16,18) and each lid face (24,26). When the box is opened the flaps lie between the said two faces in a plane therewith. The flaps are wedge-shaped with their tops coinciding roughly with one of the adjoining corner points (40,) of the box (10). The box is made from a blank with suitable fold lines and incisions. USE/ADVANTAGE- When opened the lid of the cigarette box makes no effort to spring back which would hamper access.
Patent DE-4213115-A1 (DE)
Title: Collapsible connector plug with retractable pins for 220 volts, i.e. mains supply - has pins mounted on carrier that locates with housing and released to present pins for connection
IPC: H01R27/00
Filed: 1992-04-21
Abstract: The unit has a housing (1) that receives a pair of retractable electrical connector pins (12) supported at the ends on a cross member (10). When fully retracted the pins locate with the U-shaped cross-section of a pair of hinged (5) guide elements. The cross member locates in a slot in a tubular section guide pin (6). The outer sections of the U-shaped guides are flexible (8). When released the pins project from the front of the housing for insertion into a socket. USE/ADVANTAGE - Reduced space requirement esp. useful for installing inside electrical appts. to achieve miniature and narrow construction, e.g. pocket electric shaver.
Patent DE-4216787-A1 (DE)
Title: Steering mechanism for nose-wheel of aircraft - by moving one end of wheel spindle in forward or rearward direction
Inventor: GROB BURKHART DIPL ING
IPC: B64C25/50
Filed: 1992-05-21
Abstract: The nose-wheel of an aircraft, in particular a powered glider, is mounted on bearings supported on a hollow shaft (21) which is in turn supported on an inner solid shaft (1). One end (3) of the inner shaft (1) is supported in a frame (24) which is rigidly attached to the undercarriage. The other end (4) of the inner shaft is supported in a lever (18) which can be swung about an axis which is eccentric to the shaft axis. The movement of the lever (18) causes the end (4) of the inner shaft (1) to be moved either forwards or rearwards whilst the other end (3) remains stationary. USE/ADVANTAGE - Steerable nose-wheel for an aircraft by a relatively simple mechanism.
Patent DE-4217157-A1 (DE)
Title: Water jet cutting machine - consists of tool holding and guiding frames set in three stations which move together or independently in three directions
Inventor: HOFFMANN JUERGEN DR
IPC: B23Q39/04
Filed: 1992-05-23
Abstract: The stations (1, 2, 3) are set at right angles to each other in the same plane surrounding on three sides a workpiece carrier. The carrier is in the form of a revolving round table (4) and holds four pieces of work to be processed (30-33). There are four planetary round revolving work tables (5, 5', 5'', 5''') located on the main table (4) and set opposite each of the cutting stations (1, 2, 3). There are two jet nozzle cutters (26, 26'; 27, 27'; 28, 28') to each station that can operate independently in any direction. Each jet nozzle is set in an articulated head (23, 23'; 24, 24'; 25, 25'), enabling it to be directed radially as well as in a linear direction. ADVANTAGE - Its flexibility allows a higher throughput and is a more compact construction.
Patent DE-4223344-A1 (DE)
Title: Support system for printed sheets - has curved bars that maintain sheets clear of stack until ink has dried to prevent smudging
Inventor: STEINHILBER FRIEDHELM
IPC: B65H29/34
Filed: 1992-07-16
Abstract: Printers using liquids produce sheets that do not dry instantly and can be smudged if a second sheet is deposited. The printed sheets (10) leaves the printer feed roller (9) and passes onto the curved surfaces (3) of support bars. The sheet is moved fully clear of the printing area by a mechanism that has pivot bars (4) and is displayed by a rack and pinion mechanism (7). At a specific point the bars are separated for the sheet to be deposited on the output stack. ADVANTAGE - Provided support for printer output to prevent smudging.
Patent DE-4225690-A1 (DE)
Title: Conical yarn guide roll - has hinged yarn guide enclosing the roll to allow it to be swung out of the way for removing yarn wraps
Inventor: BAUSS KARL-HEINZ
IPC: D01H13/04
Filed: 1992-08-04
Abstract: The conical yarn guide roll (1) has a yarn guide (8) which encloses the roll coaxially in a plane at right angles to the roller aixs, pref. at the face end, without touching it. The yarn guide (8) is hinged about an axis (9.1) which is normal to the roller axis. The guide (8) can be toroidal or ring shaped. The hinge axis (9.1) can be part of an L-shaped stirrup mounted on the roller shaft (2). USE/ADVANTAGE - The guide can be swung out of the way so that yarn wraps arising from end breaks can be easily removed over the roller face.
Patent DE-4225965-A1 (DE)
Title: Spindle for ring spinning machine - has spindle wharve with shoulder facing contact surface on top section and contact surface and/or shoulder are bevelled
Inventor: LATTION ANDRE
IPC: D01H7/10
Filed: 1992-08-06
Abstract: A spindle for a ring spinning machine has a spindle shank (2), on which a spindle wharve (5) and a top section (6) are pressed. The spindle wharve (6) features a shoulder (11) which faces a contact surface (12) of the top section (6). The contact surface (12) and/or the spindle wharve shoulder (11) are bevelled. ADVANTAGE - The design results in a space that widens outwards between the spindle wharve shoulder and the contact surface so that even in the case of the most marked of diagonal positions of the top section, the top section is not pushed away from the spindle during an imbalance.
Patent DE-4227017-A1 (DE)
Title: Multiple circuit vehicle braking system - uses series of safety valves in brake lines containing pressure sensors
Inventor: REPPERT RUDI G DIPL ING
IPC: B60T11/32
Filed: 1992-08-14
Abstract: The vehicle braking system has at least two braking circuit lines (10,12,14) each containing a safety valve (56,58,60) and subject to a control element (132). The safety valves remain in the open position when equality of pressure prevails. A pressure balance necessary to open a safety valve after closure is provided downstream by a flow throttle (18,19,20). After switching off the brake fluid feed the brake fluid pressure reservoirs (72,102,124) are connected to each other via the throttles. Pressure sensors (74,106,126) are fitted in the brake lines. USE/ADVANTAGE - Space saving multicircuit vehicle braking system where with a defect or leak in one circuit the remaining circuit or circuits remains or remain functional.
Patent DE-4227531-A1 (DE)
Title: Corner-connector for the rails of a switch cabinet - Has central threaded tube with radial metal "wings", staggered axially, which are inserted into ends of hollow rails
Inventor: KERN FRANZ
IPC: H02B1/01
Filed: 1992-08-20
Abstract: A metal corner connecting piece is used to join three rails (1) in the frame of a switch cubicle. The rails have identical cross-sections and are made up of pairs of multi-angle inner and outer sections joined together to give a hollow profile. The rails are in orthogonal directions. The connecting piece has a central threaded tube (18) with plug-in "wings" (17) protruding from the side. These are inserted in the ends of the hollow rails. The wings are bent over at their ends and are staggered in axial position. Two wings are made from a single plate bent around the threaded tube, whereas the two other wings are welded on separately afterwards. ADVANTAGE- Simplifies the construction of the frame.
Patent DE-4236396-A1 (DE)
Title: Mixer taps for wash hand basin - has extra fitting section for use with low pressure water heater
Inventor: KAHLE DIETER
IPC: E03C1/04
Filed: 1992-10-28
Abstract: The mixer tap has a housing with a fitting section (30) for connection to a low pressure water heater. Two tubes are fitted sealed into the section. The first tube (31) is for cold water feed. The second tube (32) has a cold water channel (321) for flow to the low pressure water heater, and a warm water channel (322) for return of the hot water from the heater to the fitting section. The hot water is fed directly from the fitting section to the outlet, or to a mixer chamber (33) in the section. The second tube opens into a distributor under the basin. USE/ADVANTAGE  - Suitable for connection to low pressure water heater, and for use in normal operation with cold and hot water mains connections.