baber/WOPTO huggingface dataset:
Patent EP-0295481-A3 (EP)
IPC: F02B23/06
Filed: 1988-05-30
Abstract: Pistons for internal combustion engines, particularly 
compression ignition engines are described. The pistons 
have insulating crowns and comprise a crown having a cap (11) 
thereon extending over the crown surface area, the crown 
cap (11) being composed of an iron-based or a nickel-based 
alloy and having on the underside thereof ribs which are 
encast into an aluminium alloy which forms the piston 
body.  
     In alternative embodiments the crown cap (11) may further 
include a ceramic insert (30) encapsulated therein. The 
ceramic insert (30) may also be leached out by chemical means 
to leave a void in the cap (11).
Patent EP-0309676-A3 (EP)
Title: Workstation controller with full screen write mode and partial screen write mode
IPC: G06F3/14
Filed: 1988-07-26
Abstract: A workstation controller (20) is disclosed which operates in 
either full screen write mode or partial screen write mode. 
The controller looks for a "Clear Display" (CD) command in the 
data stream from the host. If the data stream contains a CD 
command and if a screen image buffer is available, the 
controller operates in full screen write mode. Subsequent 
"Write to Device" (WTD) commands in the data stream are sent to 
the buffer, not to the device. When the controller detects the 
end of the data stream the entire contents of the buffer are 
sent to the display in one operation. If the controller does 
not detect a CD command in the data stream, or if the CD 
command is detected but a screen image buffer is not 
available, the controller operates in partial screen write 
mode. WTD commands in the data stream are sent directly to the 
display one at a time.
Patent EP-0308775-A3 (EP)
Title: Magnetic recording and reproducing apparatus
IPC: H04N9/898
Filed: 1988-09-13
Abstract: The invention relates to a magnetic recording 
and reproducing apparatus for eliminating the crosstalk 
component from an adjacent track and obtaining a high 
picture quality. Chrominance signals in the base band 
which are produced by a low frequency conversion chroma 
signal are supplied to comb-shaped filters which are 
used in the magnetic recording and reproducing apparatus. 
The chrominance signals in the base band are obtained by 
generating (25 to 36) carriers (ø₁, ø₂) synchronized 
with a burst signal of the low frequency conversion 
chroma signal including the jitter component upon 
reproduction and by multiplying (5, 6) the carriers 
(ø₁, ø₂) and the low frequency conversion chroma signal. 
A burst signal portion between the resultant chrominance 
signals in the base band is applied as a frequency 
control input signal to an oscillator as the carrier 
generating source (25 to 36), so that desired carriers 
(ø₁, ø₂) are derived. Thus, the frequency fluctuation 
is eliminated from the converted chrominance signal in 
the base band and the high picture quality can be 
realized.
Patent EP-0309923-A3 (EP)
Title: Improved contact arrangement for a current limiting circuit breaker adapted to be actuated both manually and by an actuating electromagnet
IPC: H01H71/04
Filed: 1988-09-22
Abstract: Current limiting contact arrangement, of the free repulsion type, consisting of a modular unit (10) to be housed in an usually insulating box (12), provided with two fixed contact arms (14, 30) and at least two movable contact arms (20, 26) which can be actuated both manually by means of a rod (44) coupled to driving means, and electrically by means of an electromagnetic actuator (80) driving said movable contact arms (20, 26) through a lever (106) and a rotating bracket member (114) so as to cause contact pairs (18, 22; 28, 32) to be held in an open condition as an electromagnet (90) of said actuator (80) is de-energized.
Patent EP-0300704-A3 (EP)
Title: Color picture tube having an inline electron gun with an einzel lens
IPC: H01J29/50
Filed: 1988-07-15
Abstract: A color picture tube (10) includes an 
electron gun (26) for generating and directing three inline 
electron beams (28), a center beam and two side beams, 
along initially coplanar paths toward a screen (22) of the 
tube. The gun includes a plurality of spaced electrodes 
which form a main focus lens for focusing the electron 
beams. The tube comprises this plurality including 
four electrodes (38,40,42,44) that form an einzel lens in 
the path of each electron beam. A first einzel lens 
electrode (38) includes a first portion (52) having three 
inline apertures (54) that are set back from a second 
portion (56) having a single large aperture (58) through 
which all three electron beams pass. A second einzel lens 
electrode (40) includes a first portion (66) having three 
inline apertures (68) that are set back from a second 
portion (69) having a single large aperture (71) through 
which all three electron beams pass. The second portion of 
the first einzel lens electrode faces the second portion of 
the second einzel lens electrode. A third einzel lens 
electrode (42) includes a first portion (72) having three 
inline apertures (74) that are set back from a second 
portion (76) having a single large aperture (80) through 
which all three electron beams pass. A fourth einzel lens 
electrode (44) includes a first portion (82) having three 
inline apertures (84) set back from a second portion (88) 
having a single large aperture (90) through which all three 
electron beams pass. The second portion of the third 
einzel lens electrode faces the second portion of the 
fourth einzel lens electrode. The first portion of the 
second einzel lens electrode and the first portion of the 
third einzel lens electrode face each other and include 
means (92,94,96,98) for forming a quadrupole lens in the 
path of each electron beam therebetween.
Patent EP-0323029-A3 (EP)
Title: Method of operating an electronic information system for distributing documents grouped into folders
IPC: G06F17/21
Filed: 1988-11-24
Abstract: This invention relates to methods of distributing a folder having a 
plurality of document filed therein within an information processing 
system. The documents filed in the folder have an ordered relationship. 
An end user indicates to the system that the folder is to be distributed 
to one or more recipient end users. The end user enters data which 
identifies the folder and the addresses of the recipient end users. The 
system then builds the necessary structures to transmit the folder to the 
identified recipient end users such that the documents included therein 
are maintained in the order established by the folder.
Patent EP-0319441-A3 (EP)
Title: Encoding for pit-per-transition optical data recording
IPC: G11B20/14
Filed: 1988-10-11
Abstract: Encoding method for data to be recorded on optical disks using 
the pit-per-transition technique or return-to-zero techniques 
whereby the characteristics of the encoded bits produce a 
stable, low frequency spectral notch and minimum interference 
with associated focus and tracking servomechanisms. RLL (d,k) 
code words are selected so that the ratio of the lengths of 
pits and lands approximate some nonzero fraction less than 
one-half which depends on the (d,k) code employed. For 
example, a fraction of 1/3 is appropriate for RLL (2,7).
Patent EP-0326123-A3 (EP)
IPC: B60C9/18
Filed: 1989-01-26
Abstract: Die Erfindung betrifft einen Fahrzeugluftreifen, 
insbesondere für Nutzfahrzeuge, mit einer Radialkarkasse, 
deren Festigkeitsträger aus Stahl oder einem Material 
ähnlich hoher Festigkeit bestehen und deren Enden in den 
Wülsten durch Umschlingen zugfester Wulstkerne verankert 
sind, mit einem mittigen Laufstreifen und mit 
zurückspringenden Seitenabschnitten, weiterhin mit einem 
mehrlagigen Gürtel, der seitlich bis in die Seitenabschnitte 
hineinreicht, dessen Festigkeitsträger aus Stahl oder einem 
Material ähnlich hoher Festigkeit bestehen und zwischen 
dessen Lagen sich eine dämpfungsarme Gummischicht befinden 
kann. Um eine weitere Rollwiderstandsverminderung zu 
erzielen, wird vorgeschlagen, daß sich zwischen der radial 
inneren Lage des Gürtels und der Radialkarkasse eine 
Gummiplatte aus einem weichen, dämpfungsarmen Gummi 
befindet, daß die Shorehärte der Gummiplatte zwischen 50 und 
65 Shore A liegt und daß ihre Rückprallelastizität 55 bis 
70% beträgt.
Patent EP-0327082-A3 (EP)
IPC: H03K17/972
Filed: 1989-02-02
Abstract: Durch die Erfindung wird ein elektrischer Schalter (1) mit einem 
federunterstützten Druckknopf (3) vorgeschlagen, der zusätzlich 
zu einer mechanischen Baugruppe für die Stellcharakteristik einen 
Funktionsteil für die Anregung aufweist. Dieser Funktionsteil be­
steht aus einem an dem Schalterstößel (11) angeordneten Permanent­
magneten (16), der axial bewegbar ist und im ausgeschalteten Zustand 
des elektrischen Schalters (1) einer Spule (17) gegenübersteht, 
die mit ihrer abgewandten Stirnseite an einem Hallsensor (19) mit 
integrierter Elektronik anliegt.  
Durch diesen eingebauten Funktionsteil der Anregung wird ein testbarer 
Sensor-Druckknopfschalter (1) erzielt. Mehrere dieser Schalter sind 
mit einer Auswerteeinheit (24) verbindbar. Dadurch wird dieser Druck­
knopfschalter (1) zu einem sowohl im ungeschalteten wie im geschalteten 
Zustand testbaren Schalter.
Patent EP-0331092-A3 (EP)
Title: Alpha-amino-carboxylic-acid derivatives, their preparation and use
IPC: C07C233/46
Filed: 1989-02-28
Abstract: alpha -Aminodicarboxylic acid derivatives of the formula <IMAGE> in which n, X, Y and Z having the meaning given in the description, and their preparation are described. The compounds are suitable as excipients.
Patent EP-0333211-A3 (EP)
Title: Composite nonwoven non-elastic web material and method of formation thereof
IPC: D04H1/46
Filed: 1989-03-17
Abstract: Composite nonwoven web materials and methods of forming the same are disclosed. The composite nonwoven web materials are formed by hydraulically entangling a laminate of (a) at least one layer of meltblown fibers and (b) at least one layer of nonwoven material. The nonwoven material can comprise at least one of pulp fibers, staple fibers, meltblown fibers and substantially continuous filaments. The nonwoven material can also be a net, foam, etc. <IMAGE>
Patent EP-0337203-A3 (EP)
Title: Aglycons of a/16686 antibiotics
IPC: A61P31/04
Filed: 1989-03-30
Abstract: The invention concerns the aglycons of factors A1, A2, A3, A'1, A'2, A'3 of antibiotic A/16686 of following structure formula I <CHEM> their respective tetrahydroderivatives and mixtures thereof. The aglycons are produced by selective hydrolysis of the above mentioned factors. The compounds have antibacterial activity, in particular, against widely diffused gram positive bacteria and are particularly useful for topical treatment of wound infections and acne.
Patent EP-0339370-A3 (EP)
Title: Fluid pressure regulator
IPC: F16K31/06
Filed: 1989-04-12
Abstract: A fluid pressure regulator comprises a housing 
(2) defining a cylindrical chamber (10), an inlet 
opening (4) for introducing fluid under pressure 
into the chamber, an outlet opening (6) for allowing 
fluid to leave the chamber at a regulated pressure, 
and a bleed orifice (8) in communication with a 
space at constant pressure. The outlet opening (6) 
and the inlet opening (4) are in open communication. 
A ferromagnetic piston member (14) is fitted in 
the chamber (10) and is slidable within a range 
of positions such that the bleed orifice (8) is 
partially covered by the piston. The ferromagnetic 
piston member (14) is biased at a substantially 
constant force when it is that range of positions.
Patent EP-0370162-A3 (EP)
Title: Method and apparatus for measuring and controlling a fluid flow rate
IPC: G05D7/06
Filed: 1989-04-13
Abstract: A part of a tube (1A), through which a fluid passes, is cooled by means of an elec­
tronic cooling element (2) and a flow rate of said fluid is measured on the basis of 
the temperature of a surface of said cooled tube (1).  
     Not only the flow rate of the fluid flowing through the tube (1) can be determined in 
a contactless manner and a very small flow rate of the fluid can be determined but 
also the tube (1), through which the fluid passes is cooled by means of the electron­
ic cooling element (2), so that no bubbles are generated. Thus the measurement of 
the fluid, which is apt to generate gases, such as low boiling point liquid, is possi­
ble. In addition, the measurement is not influenced by gases dissolved in the fluid 
and merely the temperature difference resulting from the flow of the fluid, that is 
the rise of the temperature of the fluid, is detected to prevent the measurement 
from being influenced by the assembling position of the flow meter, so that the 
high-precision measurement is possible.  
     Consequently, a stable and sure controlling of the flow rate is possible.
Patent EP-0371452-A3 (EP)
Title: Polish containing silicone particles
IPC: C09G1/12
Filed: 1989-11-28
Abstract: A polish including a film forming wax material 
and an organopolysiloxane elastomer. The elastomer is in the 
form of particles mixed with the film forming wax. The 
particles are spherical and have an average diameter of from 
about 0.3 um to about 30 um. The polish contains at least one 
additive selected from the group consisting of organic solvents, 
silicone oils, and surfactants. The film forming wax 
material may one of carnauba wax, montan wax, candelilla 
wax, ceresin wax, paraffin waxes, and beeswax. There is 
also disclosed a polish including a film forming wax 
material and a silicone rubber. The rubber is in the form 
of particles mixed with the film forming wax, and the 
silicone rubber particles contain a silicone oil.
Patent EP-0376325-A3 (EP)
Title: Multistage tenter
IPC: G03D15/02
Filed: 1989-12-28
Abstract: In a multistage tenter with the right and left clip 
chains (2) for conveying a belt-shaped film (8) in a drying unit, a 
tensing mechanism (23) operates to slide the supports of a pair of 
right and left sprockets engaged with the clip chains (2) to 
tension the latter simultaneously, so that the shorter of the 
two clip chains is automatically tensioned more than the other, 
whereby the pitch error of the clip chains is absorbed, and the 
film is accordingly prevented from being wrinkled while being 
conveyed.
Patent EP-0328227-A3 (EP)
Title: Positive pressure web floater dryer with parallel flow
IPC: F26B13/20
Filed: 1989-02-10
Abstract: A modified double slot impingement nozzle for floater dryers is used to maximum advantage by optimizing the relationships of the spacing (P) between the nozzles and the nozzle lengths (L) for each row of nozzles along the web. The nozzle is also used to advantage by optimizing the slot width of the secondary jet (7) of the nozzle in relation to the slot width of the primary jet (1).
Patent EP-0325342-A3 (EP)
Title: Complementary bicmos process with isolated vertical pnp transistors
IPC: H01L21/82
Filed: 1989-01-04
Abstract: A BiCMOS process which provides both isolated and vertical NPN and PNP transistors with better performance characteristics and fewer additional steps than the prior art. The additional steps consist of masked implants with no changes in the thermal steps of the CMOS process. An N-well to contain the vertical PNP transistor is formed during the same step that the NPN vertical transistor collector is formed. The N base of the PNP transistor is formed by implanting an N type material. A P type material is implanted at a high energy of at least 300 keV (150 for doubly ionized Boron) to form a collector of the PNP transistor. A P region is then formed as an emitter of PNP transistor. The high energy P implant gives a peak at approximately 0.8um below the surface to form the equivalent of a buried layer (without growing an epitaxial layer after a P implant to form a buried layer as in the prior art). The advantages of a sharp profile of the high energy P implant are maintained by performing this step near the end of the process to prevent the profile from being flattened by subsequent thermal steps. A flat base structure improves the devices' performance and is preferably provided by doing the N base implantation early in the process and allowing the temperature of later steps to drive the implanted ions deeper to provide a flat profile.
Patent EP-0341825-A3 (EP)
Title: An electrophotographic lithographic printing plate precursor
IPC: G03G5/05
Filed: 1989-04-11
Abstract: A lithographic printing plate precursor 
excellent in oil-desensitivity, whereby an original is 
faithfully reproduced without occurrence of overall or 
spotted stains as an offset master is provided, which 
comprises an electrically conductive support and at 
least one photoconductive layer, provided thereon, 
containing photoconductive zinc oxide and a binder 
resin, in which said photoconductive layer contains 
resin grains containing at least one polymeric component 
or repeating unit containing at least one functional 
group capable of producing at least one polar group 
through decomposition.
Patent EP-0343017-A3 (EP)
IPC: H01J37/32
Filed: 1989-05-22
Abstract: In order to correct plasma divergence in an 
electron cyclotron resonance etching apparatus, a 
magnetic throttle is provided. In one embodiment, the 
magnetic throttling is induced by a magnetic coil (40) 
disposed in a manner to surround a chamber (42) in 
which the etching is performed or disposed adjacent the 
specimen (44).
Patent EP-0346008-A3 (EP)
Title: Flock adhesive composition
IPC: C08G18/00
Filed: 1989-06-01
Abstract: A flock adhesive composition comprising     A. about 1 to 20% by weight of an aromatic nitroso compound; B. about 1 to 20% by weight of an epoxy resin having an epoxy equivalent of at least one; and C. about 60 to 98% by weight of a blocked isocyanate-functional urethane prepolymer, the isocyanate group or groups of said prepolymer being blocked with a blocking agent comprising a substituted or unsubstituted phenol. s
Patent EP-0380852-A3 (EP)
Title: Pressurised containers
IPC: B67D1/00
Filed: 1989-09-12
Abstract: A container (10) for pressurised fluid, e.g. 
carbon dioxide, is fitted with a self-sealing valve (11) 
comprising a valve body (12), a valve stem (13) mounted in 
the valve body for axial movement relative thereto, and a 
valve member (14) connected to the inner end of the valve 
stem. A first 'O' ring seal (21) creates a seal between 
the valve stem and the valve body and a second 'O' ring 
seal (25) creates a seal between the valve member and the 
valve body under the urging force of pressurised fluid in 
the container. The valve stem has an axially extending 
discharge passage (19) which communicates with the outside 
of the valve stem at a position intermediate the seals (21 
and 25) and a valve operating member (33) is threadably 
connected to the valve body so that when it is turned in 
an appropriate direction the operating member engages with 
an abutment (37) on the valve stem to move the valve stem 
and valve member against the urging force of the 
pressurised fluid to break the seal between the valve 
member and the valve body and so allow fluid within the 
container to pass through the discharge passage in the 
valve stem. The valve member is equipped with a pressure 
relief valve which includes a burstable metal disc (29).
Patent EP-0372786-A3 (EP)
Title: System for automated welding of parts assembly in controlled environment
IPC: B23K26/00
Filed: 1989-11-28
Abstract: A laser welding system utilizes a multiple axes 
positioner to angularly orient about orthogonal A and C 
axes and linearly position along orthogonal X and Y axes a 
fixtured parts assembly (62) such as to access weld sites 
at the top, bottom and all sides thereof. Linear 
ajustments of the position of the laser head (126) along 
a Z axis are made to maintain a constant beam focal 
length. Welding in an inert gas environment is thus 
facilitated, since the welding operation can be completed 
without human intervention to manually reposition the 
fixture. Interim purging to restore the requisite welding 
environment is therefore avoided.
Patent EP-0373853-A3 (EP)
Title: Amplifier output stage
IPC: H03F3/30
Filed: 1989-12-11
Abstract: An amplifier output stage for a loudspeaker includes 
current sourcing (20) and sinking (70) sections arranged in push-pull 
and a cascode stage (50) for driving the current section and 
biasing both the sinking and sourcing sections.
Patent EP-0336812-A3 (EP)
Title: Association of pyrimidine derivatives and urea and/or allantoin derivatives to induce and stimulate hair growth and to reduce hair loss
IPC: A61K31/505
Filed: 1989-03-23
Abstract: The combination comprises:  a) a component (A) containing a pyrimidine derivative of formula: <IMAGE>  in which R1 denotes <IMAGE> in which R3 and R4 denote hydrogen, alkyl, alkenyl, alkylaryl, cycloalkyl, R3 and R4 can also form a heterocycle with the nitrogen atom to which they are linked, and R2 is hydrogen, alkyl, alkenyl, alkoxyalkyl, cycloalkyl, aryl, alkylaryl, arylalkyl, alkylarylalkyl, alkoxyarylalkyl or haloarylalkyl; and  b) a component (B) containing a salicylic acid derivative; the components (A) and (B) forming part of one and the same composition or being intended for use separately, either simultaneously or successively or separated by an interval of time, on the hair and the scalp.
Patent EP-0335842-A3 (EP)
Title: Sectional scaffolding with motor-driven base und sidemounted elevator
IPC: E04G1/20
Filed: 1989-03-30
Abstract: This invention concerns scaffolding constructed to combine numerous identical sectional and stackable components, resting on a base fitted with two driving wheels (4) and two steering wheels (8); and comprising an elevator trolley (14) for lifting objects and people that can slide vertically along the side of the scaffolding.
Patent EP-0395029-A3 (EP)
Title: Dancer roller device
IPC: B65H20/34
Filed: 1990-04-25
Abstract: A device of this invention includes a plurality of 
stationary guide rollers (2) and a plurality of movable 
guide rollers (4) arranged on one side of the stationary 
guide rollers (2). The movable guide rollers (4) can 
approach/separate from the stationary guide rollers (2). 
A strip-like material (A) is extended among the sta­
tionary and movable guide rollers (2; 4) in a zigzag manner. 
When the strip-like material (A) is set, the movable 
guide rollers (4) are moved to the other side of the 
stationary guide rollers (2) through gaps between the 
stationary guide rollers (2). The strip-like material 
(A) is linearly inserted between the movable guide 
rollers (4) moved to the other side and the stationary guide 
rollers (2), and thereafter, the movable guide rollers (4) are 
returned to the one side of the stationary guide 
rollers (2).
Patent EP-0412503-A3 (EP)
Title: Adhesive resin composition, laminate comprising this composition as adhesive layer, and process for preparation thereof
IPC: C09J123/08
Filed: 1990-08-07
Abstract: An adhesive resin composition comprising an ethylene/vinyl acetate copolymer, a styrene polymer resin, graft-modified polyethylene, a polystyrene elastomer and an ethyiene/ alpha -olefin copolymer in combination is disclosed. This adhesive resin composition shows an excellent adhesiveness between a metal and a thermoplastic resin. When this adhesive resin composition is used for bonding a polyester resin and a gas-barrier resin, a good bonding which is not degraded even by high-temperature heating can be attained.
Patent EP-0382445-A3 (EP)
IPC: H01L23/498
Filed: 1990-02-05
Abstract: A semiconductor chip package (20) has a top surface 
(22) with a recessed chip carrying cavity (26), and a double 
row of staggered single tier bonding pads (14) placed around 
the cavity.