baber/WOPTO huggingface dataset:
Patent BR-112023005785-A2 (BR)
Title: Sistema de transmissão de potência de turbina eólica
Inventor: WEBER ANDREAS
IPC: F03D15/00
Filed: 2021-07-23
Abstract: SISTEMA DE TRANSMISSÃO DE POTÊNCIA DE TURBINA EÓLICA. apresenta invenção que se refere a uma turbina eólica (2) compreendendo: uma nacele (8) provida no topo de uma torre (12), um rotor incluindo um cubo (6) e uma série de pás (4), um eixo principal (16) configurado para ser acionado pelo rotor em torno de um eixo geométrico principal e suportado na nacele (8), um gerador (28) com um rotor de gerador e estator de gerador, e um sistema de engrenagem (25) disposto para aumentar a velocidade rotacional entre o referido rotor e o referido rotor do gerador. O sistema de engrenagem (25) compreende: uma engrenagem anel fixa (50), um membro de entrada (53) acoplado ou acionado pelo eixo principal (16) tendo uma pluralidade de segmentos de dente radialmente móveis (52,63) transportados em ranhuras de guia e engatados nas extremidades externas com a engrenagem anel (50), um membro de saída central (55) dentro do membro de entrada (53) tendo um perfil excêntrico externo atuado e acionado por extremidades internas de segmentos de dente radialmente móveis (52,63), por meio do que o movimento rotativo do membro de entrada aciona os segmentos de dente radialmente móveis por meio do engate com a engrenagem anel (50) e efetua a rotação do membro de saída central (55).
Patent BR-112023016744-A2 (BR)
Title: Métodos e composições que usam combinações de lactobacillus mucosae e fibra dietética solúvel
Inventor: STANTON CATHERINE
IPC: A61K35/747
Filed: 2022-02-14
Abstract: métodos e composições que usam combinações de lactobacillus mucosae e fibra dietética solúvel. a presente invenção se refere a composições que compreendem lactobacillus mucosae e fibra dietética solúvel e métodos de tratamento relacionados às mesmas, úteis contra a síndrome metabólica e doenças, transtornos e morbidades relacionadas.
Patent BR-112023017232-A2 (BR)
Title: Acoplamento para conexão de tubulares de fundo de poço com estresse reduzido
Inventor: NORDBERG ANDERS
IPC: E21B17/042
Filed: 2022-02-25
Abstract: acoplamento para conexão de tubulares de fundo de poço com estresse reduzido. a presente invenção se refere a um acoplamento para conexão de tubulares de fundo de poço, compreendendo um corpo tubular; uma parte de acoplamento fêmea; uma parte de acoplamento macho; e pelo menos uma de: uma rosca de parafuso macho formada sobre uma superfície externa do corpo, e uma rosca de parafuso fêmea formada em uma superfície interna do corpo, em que: a pelo menos uma rosca possui uma forma de rosca incluindo uma crista, uma raiz, e um par de flancos, a crista e a raiz são cada uma arqueada (em cambagem) em torno de um respectivo primeiro e segundo raio de cambagem (rb, rb - t) ao longo da integridade de comprimento da forma de rosca; e cada raio de cambagem, (rb, rb - t), é maior do que um diâmetro externo do acoplamento; a rosca de parafuso macho possui um raio de cambagem, (rbm), e a rosca de parafuso fêmea possui um raio de cambagem, (rbf); caracterizado pelo fato de que: cada raio de cambagem (rb, rb - t) é entre 700 mm - 1.900 mm.
Patent BR-112023017873-A2 (BR)
Title: Compostos heterocíclicos capazes de ativar o sting
Inventor: GODBOUT CÉDRICKX
IPC: C07D401/14
Filed: 2022-04-28
Abstract: compostos heterocíclicos capazes de ativar o sting. a presente invenção refere-se a compostos heterocíclicos de fórmula (i) capazes de ativar o sting (estimulador de genes do interferon).
Patent BR-112023018086-A2 (BR)
Title: Método e sistema para fornecer uma recomendação de fertilizante e uma região de medição e localização
Inventor: REUSCH STEFAN
IPC: A01C21/00
Filed: 2022-03-14
Abstract: método e sistema para fornecer uma recomendação de fertilizante e uma região de medição e localização. sistema (100) e método para fornecer uma recomendação de fertilizante para um campo agronômico (20) com base em uma medição direta de um nível de nutriente de cultura em uma localização de medição (310), compreendendo recebimento de dados remotos e de campo. abordagens opcionais incluem o ajuste da recomendação de fertilizantes com base em pelo menos um dos dados recebidos de campo, da fazenda e/ou meteorológicos. alternativamente, com base em dados de campo, é determinada pelo menos uma região de medição (300) para realizar uma medição para fornecer uma recomendação de fertilizante. abordagens opcionais incluem receber dados remotos, dados da fazenda e/ou dados meteorológicos para aperfeiçoar a determinação da região de medição.
Patent CZ-297-A3 (CZ)
Title: Nozzle system and the use thereof
Inventor: PALFFY SANDOR
IPC: A47L9/08
Filed: 1995-07-04
Abstract: PCT No. PCT/CH95/00152 Sec. 371 Date Jan. 6, 1996 Sec. 102(e) Date Jan. 6, 1996 PCT Filed Jul. 4, 1995 PCT Pub. No. WO96/01343 PCT Pub. Date Jan. 18, 1996With one or several pressure streams projected at an acute angle ( alpha ) in relation to the surface to be processed, shearing forces can be reached that are high enough to move solid particles and/or fluid media and thus make it easier to suck them away. The recognition of this fact is used in a delivery/suction nozzle arrangement together with the per se known Coanda effect. The invention may be used with all fluid media, preferably for cleaning practicable and passage surfaces; also for drying and/or degassing surfaces, as well as for industrial processes, in particular substance separation processes.
Patent CZ-55397-A3 (CZ)
Title: Device for arranging rivets, knobs and the like
Inventor: KOCHS KARL JOSEF
IPC: F16P3/16
Filed: 1995-06-22
Abstract: PCT No. PCT/EP95/02434 Sec. 371 Date Jun. 2, 1997 Sec. 102(e) Date Jun. 2, 1997 PCT Filed Jun. 22, 1995 PCT Pub. No. WO96/07338 PCT Pub. Date Mar. 14, 1996A device for fitting articles including rivets, buttons and the like, to a fabric, comprising a lower tool serving as an abutment for an article, and a ram executing a riveting stroke. A lower end of the ram joins with an upper tool for impinging upon an upper portion of the article and for urging the article against the lower tool upon execution of the riveting stroke. A rotatably driven cam disc urges an upper end of the ram for controlling travel movement of the ram. A clamp is carried by the bottom end of the ram for movement in synchronism with the ram. For finger protection, the device is operative to stop the clamp in a position spaced from the lower tool during a first lowering movement.
Patent CZ-61795-A3 (CZ)
Title: Litter for small animals
Inventor: KOUT PAVEL ING
IPC: A01K1/015
Filed: 1995-03-10
Abstract: This bedding for small animals consists of cylindrical granules with a diameter of 5 mm to 8 mm the height of which corresponds to the diameter. It contains more than 50 percent by weight of cellulose, 5 to 15 percent by weight of polyolefinic micro-foil, 0.1 to 1 percent by weight of absorber, 0.1 to 0.2 percent by weight of wetting agent. The density of the bedding is 250 to 400 kg/m<3>. The  granules are made from the waste of sanitary products used for absorbing human body fluids.
Patent SK-50493-A3 (SK)
Inventor: CICINNATI LUIGI
IPC: E01F15/00
Filed: 1993-05-19
Abstract: Kovové ochranné zvodidlo obsahuje trvalo osadené stĺpiky
(1) a rozperné dielce (2), prebiehajúce rovnobežne
s terénom a upevnené na jednej strane ku stĺpikom (1) a
nesúce na svojej druhej strane ochranné zábradlie (N).
Rozperné dielce (2) pozostávajú zo zvislej a rovinnej
stojiny (102) majúcej prednú časť (502) a zadnú časť,
ktorou je rozperný dielec (2) pripevnený k trvalo osadenému
stĺpiku (1) tak, že je natáčavý okolo stredu (7) otáčania
pohybom kontrolovaným prostriedkami pre pohlcovanie
energie nárazu, obsahujúcimi zoslabenú oblasť
(9) v zadnej časti rozperného dielca (2) v mieste
umiestnenom nad a v odstupe od stredu (7) otáčania,
pričom skrutka (8), ktorou je spojený rozperný dielec
(2) s trvalo osadeným stĺpikom (1), prechádza zoslabenou
oblasťou (9) a v prípade nárazu vozidla na ochranné
zábradlie (N) skrutka (8) roztrhne zoslabenú oblasť
(9) a rozperný dielec (2) sa deformuje okolo stredu (7)
otáčania. Rozperný dielec (2) je opatrený vo svojej
prednej časti (502) zoslabenou oblasťou (4) zväčšujúcou
sa postupne zhora dole ku spodnému okraju prednej
časti (502).
Patent SK-51196-A3 (SK)
Inventor: TKACOVA MARTA
IPC: G01N33/577
Filed: 1996-04-22
Abstract: Je opísaný spôsob rýchlej diagnostiky chrípky typu A
priamo z klinických vzoriek metódou jednostupňovej
sendvičovej enzýmovej imunoanalýzy. K imobilizovanej
monoklonálnej protilátke 44/12 po premytí, vysýtení 30
až 90 minút pri laboratórnej teplote s 1 % odtučneným
sušeným mliekom alebo 1 % sérumalbumínom, alebo 1
% želatínou a opätovnom premytí s premývacím roztokom
sa naraz alebo bezprostredne po sebe napipetuje
í vopred opracovaná klinická vzorka a konjugát monoI
klonálnej protilátky 107L2/3 s enzýmom peroxidáza,
potom sa zmes nechá inkubovať 60 až 120 minút pri laboratómej
teplote a po dôkladnom premytí s premývacím
roztokom sa pridá čerstvo pripravený roztok peroxidázového
substrátu, výhodne ophenyléndiamínu v Mcllvainovom
pufri pH 5 s 0,01 až 0,03 % peroxidom vodíka
a po 15 až 30 minútach pri laboratórnej teplote v tme
sa enzýmová reakcia zastaví pridaním kyseliny chlorovodíkovej
alebo kyseliny sírovej a odčítajú sa hodnoty
absorbancií oxidovaného substrátu alebo sa sfarbenie reakčnej
zmesi vyhodnotí po prebehnutí enzýmovej reakcie
vizuálne.
Patent SK-63596-A3 (SK)
Title: Expanding achore device
Inventor: FRISCHMANN ALBERT
IPC: F16B13/06
Filed: 1995-09-20
Abstract: The invention concerns an expanding anchor device for anchorage in a bore in a structural component. The expanding anchor device comprises a shaft which, at its rear end, comprises means for securing an object and, at its front end, at least one portion with a reduced cross-section adjoining an expanding cone. The shaft further comprises an expanding sleeve fitted over the reduced portion. In order to secure parts reliably in the tension zone, the beads (18, 19) on the expanding sleeves (11, 12) have one or a plurality of recesses (10) such that the rigidity of the beads (18, 19) is reduced and the device can be fitted more easily. The recesses can have the shape of a stamped circular bore.
Patent SK-67397-A3 (SK)
Title: Interferon conjugate, preparation method thereof and pharmaceutical composition containing the same
Inventor: BAILON PASCAL S
IPC: A61K47/48
Filed: 1997-05-28
Abstract: Physiologically active PEG-IFN alpha  conjugates having a formula as follows: <CHEM>
Patent CZ-100592-A3 (CZ)
Title: Supply system of a heat-exchange apparatus, particularly of a steam producer
Inventor: KUSAK IVO
IPC: F22B1/02
Filed: 1992-04-03
Abstract: The substance of the design solution is in that the inlet (1) of feed water is connected to a distribution piece (5) which is attached to shape pieces (6) of a distribution tubing (7) while the peak point of shape pieces (6) are situated at least in the horizontal level of the top edge of the inlet part of the inlet (1) of feed water. Branches of a distribution tubing (7) run above the bundle (10) of heat exchange tubes and/or in the intermediate space of the tube bundle (10) of steam generator heat exchange tubes.
Patent CS-129892-A3 (CS)
Title: Benzoisothiazole and benzoisoxazole-3-carboxamides, process of theirpreparation and their use as medicaments
Inventor: HRIB NICHOLAS J
IPC: A61K31/445
Filed: 1992-04-28
Abstract: The present invention relates to benzisothiazole- and benzisoxazole-3-carboxamides of the formula I <CHEM> wherein R<1> is hydrogen or loweralkyl; R<2> is loweralkyl, or a group of the formula <CHEM> R<3> is hydrogen or loweralkyl; A is loweralkylene, a group of the formula -CHR<4>CH=CHCHR<4>-, or -CHR<4>C IDENTICAL CHR<4>-; R<4> is hydrogen or loweralkyl; X is O or S; W is N or CH; Y is hydrogen, loweralkyl, loweralkoxy, hydroxy, halogen, or trifluoromethyl; Z is hydrogen, loweralkyl, loweralkoxy, hydroxy, halogen, or trifluoromethyl; n is 1 or 2; wherein the solid line (-) refers to the point of attachment of the group to the indicated member of the formula; the geometric and optical isomers thereof; or a pharmaceutically acceptable salt thereof, useful for the treatment of psychoses, alone or in combination with inert adjuvants.
Patent CZ-244591-A3 (CZ)
Inventor: VIKTORINOVA ALENA
IPC: A43D43/00
Filed: 1991-08-07
Abstract: Způsob výroby lisované obuvi s vícebarevnou pryžovou podešví
je prováděn přilisováním nálože podešve na svršek
obuvi tak, že se na lícovou stranu nálože podešve vloží
nejméně jeden barevný přídavný dílec (1) a to před slisováním
se svrškem obuvi nebo po částečném zalisování. Lisování
probíhá při teplotě 160 až 180 °C po dobu 2 až 4
minuty. Barevný přídavný dílec (1) může být opatřen sítotiskovým
potiskem (2) a poté předvulkanizován. Nálož podešve
může být tvořena nejméně ze dvou barevně odlišných
a vzájemně slepených dílů (3a, 3b).
Patent CZ-262984-A3 (CZ)
Title: Medicinal form of n-(1-ethyl-2-pyrrolidinyl)methyl-2-methoxy-5-sulfamoylbenzamide and process for preparing thereof
Inventor: PITEL M GUY
IPC: A61K9/22
Filed: 1984-04-05
Abstract: Orally administrable compositions containing sulpiride in microgranules formed by a neutral grain material and having an outer layer of a microporous polymer. The use of such compositions, which are made by projecting a solution of sulpiride onto the neutral grains and then applying the polymer, makes it possible to achieve absorption of sulpiride double that which is obtained with conventional capsules, while retaining a slightly greater period of action and considerably reducing the differences in absorption from one subject to another. The rate of liberation of sulpiride in artificial gastric and intestinal media is specified.
Patent CZ-375091-A3 (CZ)
Inventor: HEROLD JIRI ING
IPC: H02H3/26
Filed: 1991-12-11
Abstract: Obvod řeší zapojení zabezpečovací smyčky s nízkým odběrem
proudu pomocí impulzního napájení. To je zajištěno i s
vyhodnocováním oscilátorem (1), připojeným na vstup binárního
čítače (2). Binární čítač (2) zajišťuje správně časování
všech procesů v celém zapojení, Přes spínač (8) ovládá
napájení poplachové smyčky (9) a okénkového komparátoru
(10) v krátkých komparátorových intervalech. Okénkový
komparátor (10) má dvě komparační úrovně, které
zajišťují jeho překlopení při zkratu nebo přerušení poplachově
smyčky (9).
Patent CZ-723589-A3 (CZ)
Inventor: HEINSOO ENN DR
IPC: B01J41/12
Filed: 1989-12-20
Abstract: Anex na bázi makropoiorézního kopolymeru hydroxymethakryiátového
nebo hydroxyakrylátového typu obsahuje
aminoskupiny odvozené od polyethylenpolyaminu
obecného vzorce I, kde R je vodík a/nebo vazba k matrici
a/nebo boční řetěz obecného vzorce II, přičemž n + m = 3 až
6. Připravuje se tak, že síťované kopoiymery akrylátových a
methakrylátových monomerů obsahujících hydroxylovou
skupinu se modifikují reakcí se sloučeninami obsahujícími
T,; alespoň dvě reaktivní skupiny jako je například
epichlorhydrin, diepoxidy, polyepoxidy, halogenepoxidy,
41 I epoxyalkylaminy,di a polyisokyanáty,fosgen. Poté se provede
následná reakce s polyethylenpolyaminem obecného
P vzorce 1, kde R, m a n mají shora uvedený význam. Hydro-
,aí. filní anex umožňuje použití v široké oblasti pH (4 -10) a na1
chází uplatnění při dělení biopolymerů chromatografickými
metodami.
Patent CZ-104893-A3 (CZ)
Title: Jaw adapter for welding pipe sections of plastic
Inventor: DVORAK PAVEL
IPC: B29C65/18
Filed: 1993-06-02
Abstract: The jaw adapter consists of two mutually demountable coupled clamps (1,2) equipped on the reverse sides with an inner or outer seating (1.1, 2.1) for mounting the shaped ends of the coupled parts. On the contact areas (1.6, 2.6) of both clamps (1,2) there are identically shaped hollows (1.4, 2.4) consisting of two leading plain areas (10.1, 10.3) between which there is a central cylindrical area (10.2).<IMAGE>
Patent CZ-118899-A3 (CZ)
Title: Composition with slow release of medicament, process for preparing such composition, process of enhancing medicament release profile and the use of this composition
Inventor: WATTS PETER JAMES
IPC: A61K9/50
Filed: 1997-10-06
Abstract: There is provided a controlled release formulation including an inner core comprising, or coated with, a drug, which drug possesses (a) a free acid group which can be converted into an alkali metal salt and (b) a pKa in the range 2.0 to 9.0, which inner core is subsequently coated with a rate-controlling membrane that determines drug release, wherein the drug is present as a salt that displays higher solubility at pH 4.5 to 8.0 than the corresponding compound containing a free acid group.
Patent CZ-134798-A3 (CZ)
Title: Process of return conveying of fine dispersed solid matter, taken out by gas from a reactor vessel and apparatus for making the same
Inventor: NAGL MICHAEL
IPC: F27B15/12
Filed: 1996-10-30
Abstract: The invention relates to a method of returning a finely-divided solid (4) extracted at an extraction point of a reactor vessel (1) from said vessel using a gas to a feed-back point (16) of said vessel. The solid (4) is separated in a solid separator (3), subsequently collected in a collector (8) and fed back from said collector to the reactor vessel (1) using a feed gas. To improve operation of the solid separator (3) without extra loading of the reactor vessel (1), an additional gas flow (23) which is independent of the gas flow in the reactor vessel is circulated through the solid separator (3) in the direction of flow of the solid (4).
Patent CZ-144997-A3 (CZ)
Title: Flat key and a cylindrical lock
Inventor: PRUNBAUER KURT
IPC: E05B19/00
Filed: 1997-05-13
Abstract: Two or more permanent magnet pellets (4) are mounted in the shank (2) of the key, and a lengthwise profiled groove is formed in the front and/or rear of the key. One at least of the grooves forms a control groove (7), and is widened and deepened (9) between adjacent pellets.   The groove cross-section can be a scalene right-angled triangular, whose hypotenuse is formed by the flat side of the key. The longer of the other two sides forms a groove flank sloping from the flat side to the groove bottom, which forms the shorter side. On the opposite side of the key there can be a further lengthwise groove, whose bottom is parallel to the flank of the first groove (7).
Patent CZ-216294-A3 (CZ)
Inventor: BRUGGEMANN REINHOLD
IPC: E21F13/00
Filed: 1994-09-07
Abstract: Žlabový skluz (1) má mezi bočními profily (2) uspořádaný,
dopravní dno vytvářející, dnový plech (3), který má na obou
koncích žlabového skluzu (1), při vytvoření překrývacích
jazýčků (11,12), zmenšenou tloušťku. Vnitřní a vnější obrysy
(15, 16) překrývacích jazýčků (11, 12) jsou na obou
koncích žlabového skluzu (1) vytvořeny navzájem doplňkově
s obloukovým obrysem. Tento obloukový obrys překrývacích
jazýčků (11, 12) je tvořen proti sobě v úhlu
upravenými přímočarými úseky (17,18,19).
Patent CZ-223897-A3 (CZ)
Inventor: SKOKANKOVA ANNA ING
IPC: A21D2/00
Filed: 1997-07-15
Abstract: Sypká potravinářská směs, složená z pšeničné
a sladové mouky, cukru, soli, kypřících
prostředků, sušeného aktivního droždí, suše-
' ného tuku na bázi destilovaného monoglyceridu
E471, sušeného tučného mléka a sušených
vajec, vhodná na výrobu vláčných pekařských
výrobků jemné vyrovnané struktury,
cukrářských výrobků s obsahem mouky a
jako pojivo mastných výrobků s termickou
úpravou.
Patent CZ-9802920-A3 (CZ)
Title: Fuse strip disconnector
Inventor: KREJCI MIROSLAV
IPC: H01H85/20
Filed: 1998-09-14
Abstract: The proposed fuse strip-disconnecting switch consists of a casing (1) formed by two mirror-like arranged and mutually connected side covers (2) having inside inserted extinguishing chambers (3). A hinged cover (7), attached through the mediation of side pins (5) and parallel arms (6) to the casing (1) is provided on its front side with a handrail (8). Pairs of strips (10) intended for locking arresting projections (11) on a fuse (13) faces are attached to projections (9) situated on bottom part of the hinged cover (7). At least one of the casing (1) side covers (2) has a guide groove (14) in the direction of which said hinged cover (7) is provided with a transverse elongate hole (15) intended for accommodation of the end of a sliding pull rod (16). The sliding pull rod (16) is provided on the side if its projecting end with at least two transverse holes (17, 18) for locking. An insulation pull rod (20) spring loaded by a compression spring (21) is arranged transversely to said sliding
Patent CZ-310796-A3 (CZ)
Title: Pesticidal fluoroolefins
Inventor: KHAMBAY BHUPINDER PALL SINGH
IPC: C07C69/63
Filed: 1995-04-26
Abstract: A pesticidal compound of formula (I) in which R<1> is hydrogen and R<2> represents a cyclopropyl group or R<1> and R<2> each represents an alkyl group, which alkyl groups may be the same or different; ArA represents an optionally substituted phenyl or naphthyl group; ArB represents a phenoxy, phenyl, benzyl or benzoyl-substituted phenyl groups which is optionally further substituted; the configuration of the groups ArA-CR<1>R<2> and -CH2ArB about the double bond being mutually <u>trans</u>. Preferably ArA is a substituted phenyl group; more preferably being substituted at the 4-(para) position by halogen, alkoxy or haloalkyl. Further provided is a process for the preparation of a pesticidal compound of formula (I) in which a compound comprising a moiety (a) and a compound comprising the moiety ArB- are reacted together forming a link -CH=C(F)CH2- between (a) and Arb in the compound of formula (I).
Patent CZ-313795-A3 (CZ)
Title: Composition for releasing perfumes based on zeolites and the particles of which are provided with a water-soluble coating, and a granulated detergent in which such composition is comprised
Inventor: PAN ROBERT YA-LIN
IPC: A61K8/00
Filed: 1994-05-31
Abstract: Granular detergent compositions comprise conventional ingredients and a perfume delivery system which comprises Type X or Type Y Zeolites having a perfume releasably adsorbed within their pores, and a barrier matrix comprising a fluid polyol or diol which is insoluble with the perfume and a solid polyol containing more than three hydroxyl moieties. Methods of depositing said perfume onto fabric surfaces are disclosed.
Patent CZ-321799-A3 (CZ)
Title: Modular unit-construction frame with stabilizing means against earthquake, particularly for storing accumulators and the like
Inventor: SCHNEID HANS JORG
IPC: H01M50/242
Filed: 1999-01-05
Abstract: A modular assembly-type stand with earthquake-proof retention means, particularly for storage batteries and the like, comprising a supporting framework (1) provided with supporting side plates (2) joined by stringers (3,5) which form a region for supporting storage batteries and the like, and a retention frame (10) which is supported by the supporting framework (1) and can be secured against a median portion of the vertical extension of the storage batteries supported by the stringers. (FIG. 1)
Patent CZ-331796-A3 (CZ)
Title: Door hinge of motor vehicle with braking and holding-down functions
Inventor: BRUCKNER LOTHAR DR ING
IPC: E05D7/086
Filed: 1996-11-12
Abstract: A door hinge for a motor vehicle door provided with a braking and retaining function, and including two hinge halves and a hinge pin extending through gudgeons of the two hinge halves for pivotally connecting the hinge halves together, with the hinge pin being secured in a gudgeon of one of the hinge halves against rotation and extending through a gudgeon of another of the hinge halves with a clearance, the hinge pin and bore of the gudgeon of another of the hinge halves having at least along a portion of their common axial extent, complementary, circumferential regions the circularity of which deviates from a regular circular cross-section of their complementary cylindrical surfaces.