baber/WOPTO huggingface dataset:
Patent CN-113697261-B (CN)
Title: 一种光伏组件叠摞防倾电动运输装置
IPC: B65D85/62
Filed: 2021-10-26
Granted: 2021-12-31
Abstract: 本发明公开了一种光伏组件叠摞防倾电动运输装置，包括固定机构、防尘机构、限位机构和光伏夹紧机构，所述固定机构包括平衡顶架组合和位于所述平衡顶架组合正下方的平衡底架组合，所述平衡底架组合包括第二框架、安装在所述第二框架外部两侧的顶扣和插槽以及插接在所述插槽内的插销，所述防尘机构内置于所述固定机构内。在整体稳定组合和主传动组合内设置可对太阳能组件进行夹紧的垫片和垫板，当伺服电机传动传动件后，传动件会依次传动螺旋杆、联动杆、竖向轴杆以及螺旋联动杆、单轴传动件和齿杆，从而能够使得呈竖向传动连接的多个整体稳定组合和主传动组合可对多个太阳能组件进行安全堆叠存放，进而能够避免了常规塑化泡沫的过度使用。
Patent CN-113706765-B (CN)
Title: 一种纸币转弯通道结构动力设计方法
IPC: G07D11/16
Filed: 2021-10-27
Granted: 2022-03-08
Abstract: 本发明公开了一种纸币转弯通道结构动力设计方法，包括如下步骤：测量得到纸币在水平通道中的运输阻力f，确定运输纸币所需驱动动力的最小值为运输阻力f和安全系数K之和；获取上部皮带稳定工作时的张力值F；根据传输轮的宽度选取得到上部皮带和下部皮带的宽度B；计算上部皮带施加在支撑轮和下主动轮处的正压力值G，其中正压力值G为张力值F和宽度B相乘得到的乘积；计算上部皮带与纸币上表面的最大静摩擦力、纸币下表面与下部皮带的最大静摩擦力，均为Fm，此处忽略纸币重量对纸币下表面与下部皮带的最大静摩擦力的影响，最大静摩擦力Fm为正压力值与摩擦系数相乘得到的乘积，确定运输纸币所需驱动动力的最大值为两个最大静摩擦力之和2Fm。
Patent CN-114045474-B (CN)
IPC: H01L21/331
Filed: 2022-01-14
Granted: 2022-04-15
Abstract: 本发明提供了一种防止化学镀渗液的方法及半导体器件的制备方法。通过使基板的边缘环区相对于器件区域的表面凸出至少两级台阶，并在贴附保护膜时使保护膜至多贴附至位于最高台阶下的下级台阶上，从而在执行化学镀工艺时，可利用凸出的台阶阻挡镀液从保护膜的端部渗入，有效改善化学镀渗液的问题，提高了产品良率及其稳定性，且生产效率高。
Patent GE-P19971045-B (GE)
Title: Method for production of derivatives of acrylic acid and its stereoisomers
Inventor: GODFREY CHRISTOPHER RICHARD AY
IPC: C07C69/54
Filed: 1994-01-20
Abstract: The invention refers to carboxylic acid ethers, in particular to the production of acrylic acid derivatives of the formula ჩ6H2XYძ-ჩ[ჩ(0)0ღ1]=ჩH-Oღ2,    The technical result is achieved by the developments of the method for production of such compounds which have the improved fungicidal and herbicidal properties. The production is carried out by the reaction of the appropriate ether- ketone with the compound of the formula:   Pჰ3P+ - ჩHOღ2. Tables: 10
Patent GE-P19960615-B (GE)
Title: Apparatus for applying marks or fold lines
Inventor: NISKE JIRGEN
IPC: B65B61/02
Filed: 1994-01-20
Abstract: The invention refers to the device for drawing marking or fold lines on preparation or a linen of the material containing at least one layer of a paper or a board, i.e. local decrease of thickness of a linen or preparation with the purpose of reception of visible marking-outs or simplification of formation of a material and-or improvement of manufacturing of packings from a material. The purpose of the invention is improvement of quality of drawing. The specified decrease of thickness is attained by passing through the material through one or more matrix beading fillets 22, each of which is supplied by ledges 23, and reduction of a material by means of matrix beading fillets 22 in contact with sweepingly twirled grinding beading fillet, by means of which the selected surfaces of a material are snagged.
Patent GE-P19991596-B (GE)
Title: Method for Production and Treatment of Superstrength Materials and Device for its Realization
Inventor: MECHURCHLISHVILI GE TEIMURAZ
IPC: C01B31/06
Filed: 1997-12-30
Abstract: 1. Technical Result Increase in the yield of production and its size.            2. Essence A preheated reaction mixture is subjected to double loading by the shock waves with high shearing stress by means of the striker with torque accelerated by powder charge in the barrel. The reaction mixture is launched onto the hard barrier. The method is effected in the device comprising a container 2, a heating device 1, a barrel with powder charge, a tool 11 and a blasting chamber 5.            3. Field of Application Production of superstrength materials.            1 ind. cl., 1 dep. cl., 1 fig.
Patent GE-P20135784-B (GE)
Title: System and method of capturing geothermal heat from within a drilled well to generate electricity
Inventor: PARRELLA
IPC: F24J3/08
Filed: 2009-06-15
Abstract: A closed-loop, solid-state system generates electricity from geothermal heat from a well by flow of heat, without needing large quantities of water to conduct heat from the ground. The present invention contemplates uses for depleted oil or gas wells and newly drilled wells to generate electricity in an environmentally-friendly method. Geothermal heat is conducted from the Earth to a heat exchanging element to heat the contents of pipes. The pipes are insulated between the bottom of the well and the surface to minimize heat dissipation as the heated contents of the pipes travel to the surface.
Patent GE-P20146201-B (GE)
Title: Heteroaromatic aryl triazole derivatives as pde10a enzyme inhibitors
Inventor: LANGGÅRD MORTEN
IPC: C07D471/04
Filed: 2010-12-15
Abstract: There is represented compound of formula (I),                 (I) pharmaceutical composition on basis thereof, and application of therapeutically effective amount therefor enzyme PDE10A inhibition.
Patent GE-P20237522-B (GE)
Title: Antibacterial compounds
Inventor: MEO PAUL
IPC: A61K31/498
Filed: 2018-11-02
Abstract: Compound of common formula (V),       (V)    wherein R2 is NH2 and values of R7, R10 substitutes are provided in the claims or pharmaceutically acceptable salt, hydrate or ether thereof, pharmaceutical composition on the basis thereof, and their usage for remedies production at the treatment of infection or diseases caused by Enterobacteriaceae.     	  s Table: 	21
Patent CA-1275887-C (CA)
Title: Comb
Inventor: LAVOIE MICHEL
IPC: A45D24/36
Filed: 1985-02-19
Granted: 1990-11-06
Abstract: ABSTRACT OF THE DISCLOSURE:         A comb for use by a hairdresser during hair cutting.  It has a combing portion and a handle portion which projects from one end of the combing portion, bends back toward the combing portion at a predetermined distance therefrom and includes a gripping part of predetermined length, suitable to be finger-gripped against the palm of a hand of the hairdresser with the combing portion located generally above the back of the hand.
Patent CA-1307210-C (CA)
Title: Brake support assembly
Inventor: CREWSON GARY E
IPC: B60T1/06
Filed: 1986-01-07
Granted: 1992-09-08
Abstract: /3392h BRAKE SUPPORT ASSEMBLY                  Abstract of the Disclosure A brake spider for supporting a brake assembly on a vehicle axle which includes a mounting portion and diametrically opposed, first and second support portions, a pair of laterally spaced bores through the second support portion and mounting a pair of anchor pins, and a boss adjacent each bore and projecting from oppositely disposed surfaces of the second support portion of the brake spider.
Patent CA-1273642-C (CA)
Title: L-aminodicarboxylic acid alkenes
Inventor: ZANNO PAUL H
IPC: A23L27/30
Filed: 1986-04-23
Granted: 1990-09-04
Abstract: ABSTRACT OF THE DISCLOSURE The invention relates to novel sweeteners of the formula wherein A is hydroxyalkyl containing 1-3 carbon atoms A' is hydrogen or alkyl containing 1-3 carbon atoms; Y is -(CHR2)n-R1 or CHR3R4; R1 is cycloalkyl, cycloalkenyl, bicycloalkyl or bicycloalkenyl containing up to 7 ring carbon atoms and up to a total of 12 carbon atoms; R2 is H or alkyl containg 1-4 carbon atoms; R3 and R4 are each cycloalkyl containing 3-4 ring carbon atoms; n = 0 or 1; and m - 0 or 1; and food-acceptable salts thereof.
Patent CA-1301637-C (CA)
Inventor: JOUBERT PHILIPPE
IPC: E21B43/01
Filed: 1986-06-27
Granted: 1992-05-26
Abstract: La présente invention concerne un système de tensionnement et d'accrochage de l'extrémité d'un élément allongé sur un support. Le système selon la présente invention se caractérisé en ce qu'il comporte en combinaison des moyens de tensionnement, des moyens d'accrochage adaptés à solidariser les moyens de tensionnement à l'extrémité dudit élément allongé et des moyens d'ancrage adaptés à solidariser ledit support à l'extrémité dudit élément aliongé. La présente invention peut être appliquée au tensionnement et à l'accrochage à une bouée immergée d'une ligne de production marine d'un effluent pétrolier.
Patent CA-1275431-C (CA)
Inventor: PARKER DONALD L
IPC: B60T13/52
Filed: 1986-08-05
Granted: 1990-10-23
Abstract: BOOSTER MOUNT          Abstract of the Disclosure A booster is mounted on a supporting panel by a cam and lock arrangement. The mount can be accom-plished from one panel side, and the booster input push rod is readily connected to a pedal arm.
Patent CA-1323460-C (CA)
Title: Phenylene ether compositions having improved color stability
Inventor: WARREN RENATE I
IPC: C08K5/526
Filed: 1987-03-19
Granted: 1993-10-19
Abstract: PHENYLENE ETHER COMPOSITIONS HAVING    IMPROVED COLOR STABILITY                          ABSTRACT      A stabilized thermoplastic composition comprising a triaryl phosphate,  an alkyl aryl phosphite, and a resin component which comprises a phenylene ether polymer and a vinyl aromatic resin.   The present composition does not exhibit a shift in colour upon melt processing and exposure to ultraviolet radiation as is common in previously known phenylene ether resins.
Patent CA-1275238-C (CA)
Title: Seating furniture, more particularly chair
Inventor: WERNER HANS-HUGO
IPC: A47C3/021
Filed: 1987-05-13
Granted: 1990-10-16
Abstract: SEATING FURNITURE, MORE PARTICULARLY CHAIR     Abstract In an article of seating furniture (1) constructed after the fashion of a free oscillator having as side members (6) substantially Z-shaped resilient supporting sections (7) the top and bottom end portions (8), (9) of each supporting section (7) are so interconnected via a rod-shaped resiliently deformable reinforcing member (12) inclined oppositely to the intermediate portion (10) of the supporting sections (7) as to prevent the chair from oscillating or seesawing excessively.          (of. Fig.1)
Patent CA-1289954-C (CA)
Title: Xanthine derivatives
Inventor: KIS ZOLTAN L
IPC: A61P11/00
Filed: 1987-08-26
Granted: 1991-10-01
Abstract: Case  100-6955 ABSTRACT            A compound of formula I                                       (I) wherein R1 is C1-4alkyl, C3-4alkenyl or (C3-5cycloalkyl)-methyl, R2 is C1-4alkyl, [hydroxy- or (C1-4alkoxy)-substituted C1-3alkyl]-methyl, (C3-5cycloalkyl)-methyl, tetrahydrofuran-2-yl-methyl or 1,3-dioxolan-2-yl-methyl, R3 and R4 are each hydrogen, hydroxymethyl, methoxymethyl or N,N-dimethylcarba-moyloxymethyl, R5 is hydroxy or methoxy, R6 is hydrogen, hydroxy, methoxy or halogen and R7 is in the 2- or 3-position and is hydroxy, methoxy or halogen, or together with R5 is 3,4-methylendioxy, or together with R6 is 2,3-methylenedioxy and their physiologically-hydrolysable and -acceptable esters are useful in the treatment (symptomatic and prophylactic) of obstructive or inflammatory airways disease, in particular asthma, and disease characterised by or having an aetiology comprising morbid eosinophil accumulation or activation, e.g. hypereosinophilia.
Patent CA-1308678-C (CA)
Title: Lipases and lipase extracts, their preparation process and their therapeutic use
Inventor: MOREAU HERVE
IPC: C12N9/20
Filed: 1987-09-16
Granted: 1992-10-13
Abstract: P A T E N T  O F  I N V E N T I O N             LIPASES AND LIPASE EXTRACTS, THEIR    PREPARATION PROCESS AND THEIR         THERAPEUTIC USE                     DESCRIPTIVE ABSTRACT      Process for the preparation of a gastric lipase. The stomachs of rabbits or horses undergo extraction by an acid aqueous medium, the lipase extract is salted out by the addition of hydrosoluble salts then, by filtration on a molecular sieve, followed by separation using ion exchange chromatography, an elution fraction containing the lipase is collected.    Medicament for fighting against malabsorptions of fatty substances.
Patent CA-1303623-C (CA)
Inventor: NUMMY LAURENCE J
IPC: C07C271/00
Filed: 1987-10-30
Granted: 1992-06-16
Abstract: 29,?48 PREPARATION OF CYCLOHEXYL MONO- AND DI-URETHANES AND ISOCYANATES DERIVED THERE-FROM BY ADDITION OF METHYLCARBAMATE TO LIMONENE, PROCESS AND COMPOSITIONS                                  ABSTRACT    A process is disclosed whereby mono- and diurethane cyclohexyl derivatives are obtained corresponding to the Lewis acid-catalyzed addition reaction of dipentene and methyl carbamate at a temperature of from about 40° to about 150°C.  The mono- and diurethane cyclohexyl derivatives are pyrolytically converted to other corresponding mono- and diisocyanate cyclohexyl derivatives.  Novel vinyl unsaturated monoisocyanate cyclohexyl derivatives useful as reactants for polyfunctional compounds to produce cured compositions are disclosed.
Patent CA-1288948-C (CA)
Title: Construction apparatus
Inventor: ERICKSON HARRY
IPC: A63H33/08
Filed: 1987-11-02
Granted: 1991-09-17
Abstract: ABSTRACT          CONSTRUCTION APPARATUS          A  construction  apparatus  has  a  plurality  of relatively flat components having at least three sides, an elongated rod-like member extending along each side and enlarged corner portions between the members.  A plurality of connectors is provided for connecting together adjacent sides  of  adjacent  members  to  form  structures.   Each connector  has  a  pair  of  recesses  shaped to releasably embrace adjacent pairs of members.  The recesses of each connector  open  outwardly  in  a common  direction  so connectors may be positioned on pairs of members without altering previously formed portions of the structure.
Patent CA-1299456-C (CA)
Title: Programmable multiple pump medication infusion system with printer
Inventor: SCHULMAN JOSEPH H
IPC: A61M5/142
Filed: 1987-12-03
Granted: 1992-04-28
Abstract: PROGRAMMABLE MULTIPLE PUMP MEDICATION       INFUSION SYSTEM WITH PRINTER     ABSTRACT OF THE DISCLOSURE A multiple channel medication infusion system is disclosed which has a plurality of disposable pump cassettes mounted on a single main pump unit,  thereby making the system compact and resulting in an economic system.  The system has a printer which may be connected to the main pump unit to provide a printed record of system operation.  Several modes are accessible to set up and program the system, to monitor actual system performance, and to test the system or display warnings  indicating system malfunctions or that new cassettes should be installed.
Patent CA-1289960-C (CA)
Title: Cinnoline derivative, process for preparing the same and herbicidal composition containing the same
Inventor: MIZUTANI MASATO
IPC: C07D237/28
Filed: 1987-12-14
Granted: 1991-10-01
Abstract: Abstract of the Disclosure A cinnoline derivative having the formula (I):                                     (I) in which X is -OH, -O-M+, -OR1 or  , wherein M+ is an alkali metal cation, an alkaline earth metal cation or ,  in which R4, R5 and R6 are the same or different and each is hydrogen atom, a C1-C6 alkyl group, a C3-C4 alkenyl group, a C3-C4 alkynyl group, a C3-C8 cycloalkyl group, benzyl group or phenyl group: R1 is a C1-C9 alkyl group, a C3-C6 alkenyl group, a C3-C4 alkynyl group, a C1-C3 alkoxy (C1-C4) alkyl group, a C1-C3 haloalkyl group, a C3-C8 cycloalkyl group, benzyl group or phenyl group; and R2 and R3 are the same or different and each is hydrogen atom, a C1-C6 alkyl group, a C3-C4 alkenyl group, a C3-C4 alkynyl group, a C3-C8 cycloalkyl group, a benzyl group in which at most two of hydrogen atoms at the .alpha.-position thereof may be substituted by methyl group, a C2-C3 hydroxyalkyl group or a phenyl group in which at most three of hydrogen atoms thereof may be substituted by the same or different C1-C2 alkyl group or halogen atom; Y is fluorine atom, chlorine atom, bromine atom, a trihalomethyl group, a C1-C6 alkoxy group or a C1-C2 alkyl group; A is a C1-C3 polyhaloalkyl group; and A' is hydrogen atom, fluorine atom, chlorine atom or bromine atom, a process for preparing the same, and a herbicidal composition containing the same as an active ingredient, a method for controlling undesired weeds using the same, and use of the same as a herbicide.
Patent CA-1292110-C (CA)
Title: System for stretching and severing strip-like resin sheet
Inventor: SEKI SHINGO
IPC: B29C55/02
Filed: 1987-12-18
Granted: 1991-11-19
Abstract: ABSTRACT OF THE DISCLOSURE         A system [100] stretches and severs a strip-like resin sheet [1] unwound from a sheet roll [2] to produce a product [1a] of a prescribed shape, the system [100] having a stretching device [8] having forming members [34a, 34b, 34c] for stretching the strip-like resin sheet [1] into a fan-shaped resin sheet [1].  The system [100] includes a device [50] disposed downstream of the stretching device [8] for severing the fan-shaped resin sheet [1] on cutting edges [57, 59], and a feeding device [70] disposed downstream of the severing device [50] for feeding the product [1a] to a prescribed area [9].  The system [100] further includes a conveyor [3] for conveying a preceding sheet roll [2a] nonrotatably to an unwinding position [2a] upstream of the stretching device [8], a pinch roller [4] disposed downstream of the unwinding position [2a] for unwinding the strip-like resin sheet [1] from the preceding sheet roll [2a], a suction delivery device [18] for pulling the leading end of a resin sheet [1] on a next sheet roll [2b] to a splicing position [30] positioned between the pinch roller [1] and the unwinding position [2a], and a splicing device [30] for splicing the leading end of the resin sheet [1] from the next sheet roll [2b] to the trailing end of the resin sheet [1] from the preceding sheet roll [2a] in the splicing position [30].
Patent CA-1299556-C (CA)
Inventor: CHOI SOO I
IPC: F16M11/08
Filed: 1987-12-30
Granted: 1992-04-28
Abstract: ABSTRACT OF THE DISCLOSURE          A device for turning a monitor to a position at which a viewer can comfortably see the monitor.  The device comprises a turntable carrying a monitor thereon, a cam shaft adapted to rotate the turntable in a desired cylindrical cam having at outer surface thereof an arc-type cam groove.  The cam shaft receives a drive force of a drive motor via a reduction gear mechanism.
Patent CA-1275701-C (CA)
Title: Cellular communication system sharing control channels between cells to reduce number of control channels
Inventor: PERRY FRED G
IPC: H04W16/32
Filed: 1988-01-20
Granted: 1990-10-30
Abstract: ABSTRACT OF THE DISCLOSURE Unnecessary control channels are eliminated in a mature cellular radio telephone RF communications system by sharing control channel transceivers and control channels between original omni-directional cells and subdivisions of those original cells. A control channel is allocated to the original omni-directional cell, and subdivided cell areas are not provided with their own control channels. One or more voice channels are allocated to the original omni-directional cell, and the subdivided cell areas also have voice channels allocated to them. Calls are initiated between mobile transceivers and the original omni-directional cell. Locating receivers associated with the subdivided cell areas determine which subdivisions particular mobile transceivers are located within. Subsequently, calls are handed off from the original omni cell to an appropriate subdivision.
Patent CA-1289064-C (CA)
Title: Wellhead seal assembly
Inventor: CASSITY THOMAS G
IPC: F16J15/02
Filed: 1988-02-05
Granted: 1991-09-17
Abstract: Abstract The improved wellhead seal assembly includes an annular metal seal ring having upper spaced apart inner and outer rims with an upper energizing ring positioned between such rims and movable axially between them, a resilient seal embedded in and extending through ports in the central portion of the seal ring,  lower inner and outer seal rings connected to said central portion of said seal ring by inner and outer bellows and a wedging ring depending from the central portion of the seal ring between such bellows and adapted to move downward between the inner and outer seal rings to wedge them apart into sealing engagement with the inner and outer sealing surfaces,  such movement being responsive to downward movement of the upper energizing ring and the flexing of the lower bellows legs and continued movement of said upper energizing ring wedging said upper rims apart into sealing engagement with the inner and outer sealing surfaces,  the upper energizing ring being releasably connected to the upper seal rims so that said upper seal is not set until the lower seal is completely energized and set.
Patent CA-1284935-C (CA)
Inventor: SHINOMIYA MASAMI
IPC: B60C11/00
Filed: 1988-02-23
Granted: 1991-06-18
Abstract: ABSTRACT OF THE DISCLOSURE         The tread of a tire has an on-road pattern formed in its central area and including traction grooves.  An off-road pattern is provided at each side of the tread central area, as formed on each tire shoulder.  The off-road pattern has lugs and an annular wing adjacent to a curved recessed portion and is positioned radially inward from the bottom of the traction grooves so as to be held out of contact with the surface of the road during on-road operation.    The on-road pattern is immersed in off-road terrain with the off-road pattern in contact with the surface of the terrain over an increased area to effectively engage mud, sand or the like.
Patent CA-1295272-C (CA)
Title: Azoxy compounds and process for production thereof
Inventor: NAKAYAMA MASAHITO
IPC: C12P1/04
Filed: 1988-03-09
Granted: 1992-02-04
Abstract: ABSTRACT OF TEH DISCLOSURE         Novel azoxy compounds having antifungal activity and being useful for therapy of mycoses, represented by the following formula   wherein X is  -?- or  . are prepared by culturing a microorganism of Streptomyces sp. (KC-7367, FERM BP-1277) and separating the compounds from the culture broth.
Patent CA-1309529-C (CA)
Inventor: ALM ROGER R
IPC: C08K11/00
Filed: 1988-05-16
Granted: 1992-10-27
Abstract: ABSTRACT     Air is mechanically entrained in an aqueous solution of surfactant, polyamine reactant, and low moisture sensitive poly(oxyalkylene) poly(aliphatic isocyanate) prepolymer the poly(oxyalkylene) portion of which contains sufficient oxyethylene units to render the prepolymer water-soluble and hydrophilic, to form a fluid, water-based, air foam which is sprayed or otherwise applied to exposed surface of a substrate, such as a body of hazardous material, the applied foam gelling or increasing in viscosity, due to reaction of the polyisocyanate prepolymer with the polyamine in the presence of the water to form a poly(oxyalkylene) polyurea polymer containing polyurylene-containing segments formed from the reaction, and forming a persistent gelled air foam or viscous air foam in the form of a coating on the exposed surface, thus sealing or otherwise protecting or controlling the substrate.
Patent CA-1306305-C (CA)
Title: Method and apparatus for processing ideographic characters
Inventor: MONROE JAMES C
IPC: B41J3/01
Filed: 1988-07-22
Granted: 1992-08-11
Abstract: Abstract of the Disclosure A method and apparatus for generating an ideographic character in response to an operator input. The apparatus includes an input device which generates a series of input signals in response to an input sequence of writing strokes corresponding to identifiable constituent characteristics of an ideographic character contained in a set of ideographic characters.  A processor stores a library of character representations, each character representation in the library of character representations represents a respective character of the set of ideographic characters and each character representation being identified according to predetermined constituent characteristics of the represented ideographic character,  The processor is responsive to the input signals for selecting a character representation from the library of character representations.  The processor upon selection of a character representation provides the selected character representation as an output signal.
Patent CA-1317116-C (CA)
Title: Helium pressure seal for a cryogenic refrigerator
Inventor: WEEKS ALAN L
IPC: F04B39/00
Filed: 1988-10-21
Granted: 1993-05-04
Abstract: HELIUM PRESSURE SEAL FOR A CRYOGENIC REFRIGERATOR                 Abstract of the Disclosure A pressure seal used for containing helium within a cryogenic refrigerator, which utilizes a linear drive assembly (5).  A deformable gasket (30) is used to seal the enclosing elements of the linear drive assembly to reduce helium leakage.          Concentrically serrated members (31, 32) compress onto opposite sides of the soft metal gasket (30) to form labyrinthine sealing grooves therein.