baber/WOPTO huggingface dataset:
Patent FR-2624341-B1 (FR)
IPC: A01G13/06
Filed: 1987-12-09
Granted: 1990-05-25
Abstract: Watering method and device for protecting cultivated areas against the effects of a drop in atmospheric temperature, by creating and preserving dew, and possibly frost. The device comprises a dew box 1 which measures the atmospheric temperature and the temperature of the dew point, a set of comparators 2, 3 and 4 which enable the watering, and then the heating of the water, to be triggered as a function of the atmospheric temperature, and a system for regulating the temperature of the water to be sprayed, provided with a calculator.
Patent FR-2630563-B1 (FR)
IPC: E05B19/00
Filed: 1988-04-25
Granted: 1990-08-10
Abstract: The invention relates to a safe comprising a cupboard (1) equipped at the front with a door (6) normally closed by means of a bolt (40) released by at least one electromagnet (39) made live under the effect of a door-opening means (38, 49, 50, 53), and a rear back (3) opposite the door. <??>The invention is characterised in that it comprises, arranged inside the cupboard (1) on an intermediate plate (16) parallel to, but separated from the back of this cupboard, at least one receiving housing (29) for at least one protected access means (30) or another similar article which can be removed from its housing only after the opening of the door and the release of a flap (31) protecting said access means, the intermediate plate (16) supporting members (23, 24, 25, 26) for checking and counting the movements of the access means in relation to its housing and for verifying predetermined parameters capable of allowing the retraction of this means and then of monitoring its correct return before the closing of the door.
Patent FR-2632947-B1 (FR)
Inventor: ROGALLA FRANCK
IPC: C02F3/06
Filed: 1988-06-16
Granted: 1991-10-18
Abstract: According to the process where the water to be treated (11) and the oxygen-containing gas (3) are directed in rising streams into a single reactor (1) or biological filter provided with expanded plastic or inorganic particles which are lighter than water, the filter medium consists essentially of a lower layer (4) of a fluidised bed of particles and then of an upper layer (5) of a stationary bed of smaller and lighter particles. A support layer of particles of low density and of coarser particle size may be provided between the upper bed (5) and the perforated retaining device or ceiling (7). Application to the treatment of water to be purified and of water to be made drinkable.
Patent FR-2643812-B1 (FR)
IPC: A61C13/30
Filed: 1989-03-02
Granted: 1994-06-03
Abstract: This prosthesis is of the type comprising, on the one hand, a plug 8 intended to be introduced into the canal lumen of the tooth, and whose end projecting beyond the latter is connected to an outer restoration element, with a crown or the like, and, on the other hand, a sheath fitting between the plug and the wall of the canal lumen. <??>According to the invention, its sheath 7 is in the shape of a conical sleeve, has a length equal to that of the plug, and is made of fibres having a high mechanical strength forming a structure which is deformable and porous to resin, has an outer fibrous covering, and is connected to a resin 6 of low surface tension capable of covering the wall of the canal lumen 3, of filling the dental tubules 5, of impregnating the fibres of the sheath 7, and of fixing the plug 8, the sheath 7 and the fibrous covering inside the canal lumen 3, with a view to obtaining a composite monobloc structure matching the canal lumen.
Patent FR-2658323-B1 (FR)
Title: Appareil photo possedant un objectif zoom motorise.
Inventor: ISAO SOSHI
IPC: G02B7/10
Filed: 1991-02-12
Granted: 1993-08-27
Abstract: Un appareil photo comportant un l'objectif zoom motorisé (10), comprenant des moyens de mémoire pour mémoriser des distances d'objet de plus d'un objet devant être photographiés en même temps, détectées par un dispositif de mesure de distance d'objet, et des moyens de commande d'objectif zoom motorisé pour modifier la distance focale (f) de l'objectif zoom motorisé (10) de manière à ce que les objets soient amenés à tomber à l'intérieur de la profondeur de champ de l'objectif zoom motorisé (10).
Patent FR-2748697-B1 (FR)
Inventor: GODIN BRUNO
IPC: B60D1/00
Filed: 1996-05-15
Granted: 1998-08-14
Abstract: The trolley assembly consists of four or more trolleys (2) in pairs, mounted on wheels. Each trolley has front (16,18) and rear (20) coupling elements which can be connected by a towbar or plate (27), allowing one pair of trolleys to pivot relative to the other. On each trolley the coupling elements project from their front and rear faces. Each trolley has recesses (24,26,28) which allow the coupling elements on one trolley or pair of trolleys to engage with the recesses on another and take up less space. In a variant of the design the towbar can have four separate arms with pins to engage with lugs on the rear end of one pair of trolleys and the front end of the other pair.
Patent FR-2759893-B1 (FR)
Inventor: BACCELLI CHRISTIAN
IPC: A61B17/58
Filed: 1997-02-26
Granted: 1999-10-22
Abstract: An osteosynthesis device, in particular for the spine. The device has an outer spherical surface and a substantially cylindrical inner surface, designed to receive a rod of the device. A ring has two matching parts (10) each being U-shaped and having a bottom and a pair of branches taking up a fraction of the axial dimension of the bottom. The distance between the branches is about the same as that of the rod diameter, their respective bottoms facing each other enclosing the rod, and their pairs of branches adjacent. The parts jointly define the outer and inner surfaces. The invention is applicable to linkages adjustable at different angles.
Patent HU-227237-B1 (HU)
Title: Substituted alkylpyridazinone derivatives, process for their preparation, pharmaceutical compositions containing them
Inventor: BARKOCZY JOZSEF DR
IPC: C07B61/00
Filed: 2001-09-27
Abstract: The invention relates to substituted alkylaminopyridazinone derivatives of the general Formula (I), (wherein R<SUB>1 </SUB>is hydrogen or alkyl having 1-4 carbon atoms; one of X and Y stands for hydrogen or halogen and the other represents a group of the general Formula (II), R<SUB>2 </SUB>is hydrogen or alkyl having 1-4 carbon atoms; n is 1, 2 or 3; R<SUB>3 </SUB>stands for hydrogen, alkyl having 1-4 carbon atoms or aryl-(C<SUB>1-4 </SUB>alkyl); Z stands for oxygen; or R<SUB>3 </SUB>and Z together with the groups placed between them form a piperazine ring; and R<SUB>4 </SUB>stands for hydrogen, halogen, trifluoromethyl or alkoxy having 1-4 carbon atoms) and pharmaceutically acceptable acid addition salts thereof. The invention compounds are useful in the treatment of anxiolytic conditions and cognitive disorders.
Patent HU-230052-B1 (HU)
Title: Lift belt and system
Inventor: HEINZ GUENTHER
IPC: B66B7/12
Filed: 2002-12-20
Abstract: The invention comprises a lift belt having a ribbed profile on a pulley engaging surface. The lift belt also comprises steel tensile cords within an elastomeric body. The ribbed profile engages a ribbed profile on a pulley. The lift belt exhibits increased load lifting capacity due to the increased surface area of the ribs as compared to a flat belt. The belt also comprises conductive tensile cords having a resistance. A change in resistance is used for measuring a belt condition as well as a belt load.
Patent HU-226243-B1 (HU)
Title: Thrombin inhibitors, process for their preparation and pharmaceutical compositions containing them
Inventor: DODT JOHANNES DR
IPC: A61K38/55
Filed: 1994-05-03
Abstract: PCT No. PCT/EP94/01404 Sec. 371 Date Jan. 5, 1995 Sec. 102(e) Date Jan. 5, 1995 PCT Filed May 3, 1994 PCT Pub. No. WO94/26777 PCT Pub. Date Nov. 24, 1994The invention relates to novel polypeptides with antithrombin activity obtainable from extracts of tissues or secretions of leeches of the order Rhynchobdellida, particularly of the species Theromyzon tessulatum. The polypetides have molecular weights of about 14 kD, 9 kD and 3 kD and can be used in pharmaceutical compositions for the treatment of thrombosis related disorders and events.
Patent HU-222573-B1 (HU)
Inventor: FRIEDHUBER JOHANN
IPC: C07C55/18
Filed: 1995-09-05
Abstract: A találmány tárgya eljárás 4–22 szénatomos alifás vagy aromás mono-vagy dikarbonsavak előállítására a megfelelő, azonos szénatomszámúaldehidek oxidációjával, amely abban áll, hogy aldehidként alifás vagyaromás, egy vagy két aldehidcsoportot, félacetál- vagyacetálcsoportokat, vagy ezek keverékét tartalmazó aldehidetalkalmaznak, és az oxidációt katalizátor távollétében hangyasav,ecetsav és propionsav által alkotott csoportba tartozó egyik karbon-savban vagy karbonsav-víz keverékében, 50–130 °C hőmérsékleten és 1–25bar nyomáson egy oxidálószer jelenlété- ben hajtják végre. ŕ
Patent HU-222912-B1 (HU)
Title: Substituted isoxazolines, process for producing them, agents containing them and ther use as safeners
Inventor: BAUER KLAUS
IPC: A01N25/32
Filed: 1994-09-08
Abstract: Substituted isoxazolines, process for their preparation, compositions containing them, and their use as safeners. Compounds of the formula (I) and salts thereof,    <IMAGE>  (I)  in which R1 is carboxyl, formyl or another acyl radical or a derivative of the last-mentioned 3 groups, R2 is hydrogen, halogen, C1-C18-alkyl, C3-C8-cycloalkyl, C2-C8-alkenyl, C2-C8-alkynyl, C1-C18-alkoxy, C2-C8-alkenyloxy, C2-C8-alkynyloxy, C1-C18-alkylthio, C2-C8-alkenylthio, each of the last-mentioned 9 radicals in each case being unsubstituted or substituted, or (C1-C8-alkoxy)carbonyl, and R3 and R4 independently of one another are an aliphatic, araliphatic or heteroaraliphatic radical having 1 to 30 carbon atoms which is unsubstituted or substituted by one or more functional groups, or an aromatic or heteroaromatic radical which is unsubstituted or substituted, are suitable as safenets for pesticides, preferably herbicides, in crop plants. The compounds can be prepared from alkenes (II) and nitrile oxides (III) by the process of claim 6.
Patent HU-221741-B1 (HU)
Inventor: BRIDGES
IPC: C07D487/02
Filed: 1995-01-23
Abstract: A találmány az (I') általános képletű epidermális növekedési faktorinhibitorokra vonatkozik, (I') ahol a képletben A, B, D és E közül azegyik nitrogénatomot, a továbbiak szénatomot jelentenek; X jelentéseiminocsoport vagy –NR7 általános képletű csoport, amelyben R7jelentése 1–4 szénatomos alkilcsoport; n értéke 0, 1 vagy 2; R1jelentése hidrogénatom vagy 1–4 szénatomos alkilcsoport; ha n értéke2, akkor R1 jelentése egymástól függetlenül hidrogénatom vagy 1–4szénatomos alkilcsoport lehet bármelyik hídszénatomon; R2 jelentésehalogénatom, 1–4 szénatomos alkilcsoport, 1–4 szénatomosalkoxicsoport, nitrocsoport, 1–2 szénatomos perfluor-alkil-csoport,hidroxilcsoport, –NH–C(O)–R-amino általános képletű csoport, ahol Rjelentése 1–4 szén- atomos alkilcsoport, aminocsoport, nitrocsoport,mono- vagy di(1–4 szénatomos alkil)-amino-csoport; és m értéke 0, 1, 2vagy 3; Ar jelentése fenil-, naftil-, furil-, tienil-, benzofuril-vagy benzotienilcsoport; R3 és R4 jelentése egymástól függetlenülhidrogénatom, halogénatom, 1–4 szénatomos alkilcsoport, 1–4 szénatomosal- koxicsoport, aminocsoport, mono- vagy di(1–4 szénatomos alkil)-amino-csoport, hidrazinocsoport, (1–4 szénatomos alkil)-karbonil-amino-csoport; R5 és R6 jelentése hidrogénatom; és amennyiben az R1,R2, R3, R4, R5 és R6 szubsztituensek bármelyike királis centrumottartalmaz, vagy abban az esetben, ha az R1 szubsztituens királiscentrumot hoz létre a kötőatomokon, akkor valamennyi sztereoizomer,akár elkülönítve, akár racém és/vagy diasztereoizomer keverékeikformájában; azzal a megkötéssel, hogy az R3, R4, R5 és R6szubsztituensek legalább egyikének a jelentése hidrogénatomtól,halogénatomtól, 1–4 szénatomos alkilcsoporttól vagy 1–4 szénatomosalkoxicsoporttól eltérő. ŕ
Patent HU-224060-B1 (HU)
Inventor: MEYNCKENS JEAN-PIERRE
IPC: C04B35/65
Filed: 1995-11-23
Abstract: A találmány tárgya eljárás kristályos, kovasavtartalmú, tűzálló masszaelőállítására gáz alakú oxigén, szilárd tűzálló részecskék ésszilíciumrészecskéket tartalmazó, szilárd gyúlékony részecskékrálövellésével hordozófelületre oly módon, hogy a gyúlékony részecskékés a gáz alakú oxigén közötti reakció a felületen megy végbe, ezáltala reakcióhő a felületen szabadul fel, úgyhogy krisztobalitottartalmazó, összefüggő tűzálló massza képződik. A találmány szerintieljárást az jellemzi, hogy a szilárd tűzálló részecskéketkovasavtartalmú kvarcüveg formájában állítják elő, és a részecskéketlegalább 1000 °C hőmérsékletű felületre rálövellik.
Patent HU-221635-B1 (HU)
Inventor: HAWKINS
IPC: C07C303/32
Filed: 1999-04-09
Abstract: A találmány tárgya az (I), (II) és (III) általános képletű vegyületekelőállítására szolgáló eljárás. A képletekben m értéke 1, 2 vagy 3, Rjelentése H, Li, Na, K, Mg vagy NH4, R1 jelentése halogénatom és R2jelentése fluoratom, klóratom vagy brómatom, 1–6 szénatomos alkil-,1–6 szénatomos alkoxi- vagy perfluor-(1–3 szénatomos alkil)-cso- port.A találmány szerinti eljárással előállított (I) általános képletűfenoxi-fenil-szulfonil-halogenidek közbenső termékként alkalmazhatókmátrix metalloproteináz-inhibitorok előállítására. A mátrixmetalloproteináz (MMP)-inhibitorok eredményesen alkalmazhatókkülönféle betegségek, így arthritis, gyulladásos betegségek, asztma,Alzheimer-kór, agyi ischaemia, pangásos szívelégtelenség és egyébhasonló állapotok kezelésére. ŕ
Patent HU-224877-B1 (HU)
Title: Cup lid with rough surface coating
Inventor: ZUSER WILHELM
IPC: G09F3/02
Filed: 1997-05-07
Abstract: The present invention pertains to a packaging element comprising a supporting material fitted, on its face turned opposite the package, with a layer presenting a marking area and, on its face turned to the package, with a rough surface coating. The coating roughness has a depth of 1 to 100 mum, which can be obtained by using granulous filling material. The rough surface packaging element is suited as a covering element, including for yoghurt, as well as in the production of labels for bottle finishes.
Patent HU-229253-B1 (HU)
Title: Process for johexol manufacture
Inventor: INGVOLDSTAD ODD EINAR
IPC: C07C237/46
Filed: 1997-08-29
Abstract: The invention provides a process for the production of iohexol comprising reacting 5-acetamido-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodophthalamide with a 2,3-dihydroxypropylating agent, the improvement comprising effecting that said process in the presence of a solvent comprising 2-methoxy-ethanol and, optionally, isopropanol.
Patent JP-2918872-B1 (JP)
Title: 熱可塑性合成樹脂製格子の製造法
IPC: B29D99/00
Filed: 1998-01-06
Granted: 1999-07-12
Abstract: 【要約】
【課題】  浄化槽用濾材収納棚を安価に製造する。
【解決手段】  押出成形機によって、凹凸条が間断なく 多数成形されたＰＶＣ製原板１を用い、この原板１の凹 条２にスリット４を凹条方向に等ピッチで、かつ、隣の 凹条２のスリット４と千鳥状になるように入れてから、 この凹条２を巾方向に延伸させた格子１Ａとしたので、 製造による原板１の廃材を殆どなくして安価にすると共 に、凸条３によって格子１Ａの強度をもたせ、浄化槽用 濾材収納棚にとって、好都合のものとすることができ る。
Patent JP-3041291-B1 (JP)
Title: 爆発物連続処理設備
IPC: F42B33/06
Filed: 1999-03-04
Granted: 2000-05-15
Abstract: 【要約】
【課題】  爆発物が連続供給できず、一つずつのバッチ 式解体処理であるので大量爆発物の処理が困難であっ た。
【解決手段】  爆発物１の解体処理を行う主耐爆容器２ の爆発物搬入側に解体前爆発物の搬入待機用副耐爆容器 ３を、主耐爆容器２の爆発物搬出側に解体後爆発物の搬 出待機用副耐爆容器４を接続する。各副耐爆容器３ （４）の入側／出側の各々に耐爆ゲート７，５（６， ８）を設ける。
Patent JP-3041791-B1 (JP)
Title: ガス拡散電極の製造方法
IPC: H01M4/88
Filed: 1999-03-31
Granted: 2000-05-15
Abstract: 【要約】
【課題】  従来のホットプレス手段により、強度、導電 性及び電極性能の改善したガス拡散電極を提供する。
【解決手段】  ガス拡散電極の反応層材料１をプレスジ グ２でホットプレスする際に、凸部５と凹部６を有する 凹凸プレスジグ２を使用して反応層に高圧プレス部３と 低圧プレス部４を形成する。このとき、プレスジグ２と して平滑プレスジグを使用してメッシュ状ニッケルラス 材を凸部５と凹部６に代替してもよい。また、ホットプ レスを行う際に、硬質金属箔７であるステンレス箔を反 応層材料１とプレスジグ２の間に間挿することにより圧 力分布を制御し、多様な圧力分布を反応層に形成するこ とが好ましい。
Patent KR-0184854-B1 (KR)
Title: A condenser
Inventor: SASAKI HIRONAKA
IPC: F28F1/02
Filed: 1989-08-01
Granted: 1999-05-01
Abstract: A condenser particularly for use in automobile air conditioning system, the condenser including a pair of headers (3,4) having their inner spaces divided by partitions (10,11) so as to form a cooling medium flow path in a zigzag pattern including an inlet side group of paths and an outlet side group of paths, side group of paths is 30 to 60% that of the inlet side group of paths. <IMAGE>
Patent NL-1043346-B1 (NL)
Title: Improved electronic control circuit for LEDs and similar power devices.
Inventor: ING STEFAN CORNELIS GERARDUS DORSSERS
IPC: H05B45/56
Filed: 2019-07-25
Granted: 2021-02-10
Abstract: Improved electronic control circuit (7,8) which comprises a power supply (V+,V-) and an active current limiting circuit (3,4) and a thermal circuit (9) which provides a thermal management control, comrpising: - a voltage divider (10) comprising a thermistor (R1) connected in series with a second resistor (R2); - a capacitor (Cl) connected in parallel over the second resistor (R2); and, - a first transistor (T1) connected with its base (B) between the thermistor (R1) and the second resistor (R2), which controls the flow of current (M) from its collector (C) towards its emitter (E), wherein the flow of current (M) from the collector (C) towards the emitter (E) of the first transistor (T1) defines a temperature dependent voltage set point (SP) for the active current limiting circuit (3,4).
Patent NL-2017284-B1 (NL)
Title: System and method for preparing a beverage field and background
Inventor: JUDITH OGINK
IPC: A47J31/36
Filed: 2016-08-03
Granted: 2018-02-14
Abstract: A system (1) and method for preparing a consumable beverage. The system (1) comprises an apparatus (2) including a first brew chamber part (18) having a cavity (24) for selectively holding an exchangeable first or second capsule (4A,4B). An exit area (13B) of the second capsule (4B) has a diameter (DB) that is larger than a diameter (DA) of an first exit area (13A) of the first capsule (4A). The apparatus includes a second brew chamber part (20) for closing the first brew chamber part (18) around the first or second capsule. The second brew chamber part (20) has an extraction plate (30) for abutting against the first or second exit area (13A,13B). The extraction plate (30) includes a central portion (32) and a peripheral portion (34). The central portion (32) is movable relative to the peripheral portion (34).
Patent NL-2020053-B1 (NL)
Title: Melkmeter
Inventor: EDWIN SCHÄPERCLAUS
IPC: G01F23/72
Filed: 2017-12-11
Granted: 2019-06-19
Abstract: Melkmeter voor het meten van een debiet van een melkstroom, voorzien van een inlaat waaraan, in gebruik, de melkstroom wordt toegevoerd, een uitlaat waar de melkstroom de melkmeter, in gebruik, verlaat en een vloeistofstroomtraject dat zich uitstrekt van de inlaat naar de uitlaat, waarbij de melkmeter is voorzien van een stabilisatie-kamer die in het vloeistofstroomtraject is opgenomen en een vlotter die zich in de stabilisatie- kamer bevindt en is ingericht om te drijven op melk van de melkstroom die zich in de stabilisatie-kamer bevindt, waarbij de melkmeter dusdanig is ingericht dat een niveau van melk in de stabilisatie-kamer afhankelijk is van het debiet van de melkstroom waarbij de melkmeter voorts is voorzien van een magneeteenheid voor het opwekken van een magneetveld in de stabilisatie- kamer dusdanig dat het magneetveld varieert in een hoogterichting van de stabilisatie-kamer en waarbij in de vlotter een elektronische meeteenheid is aangebracht voor het meten van de sterkte van het magneetveld waarbij de gemeten sterkte van het magneetveld een maat is voor de hoogte binnen de stabilisatie-kamer waarop de vlotter drijft op de melk in de stabilisatie-kamer en waarmee daarmee de gemeten sterkte van het magneetveld een maat is voor het debiet van de melkstroom.
Patent NL-2021550-B1 (NL)
Title: Vessel with a rotor installation
Inventor: JEROEN LUSTHOF
IPC: B63H9/02
Filed: 2018-09-03
Granted: 2020-04-30
Abstract: A vessel provided with a vertical axis rotor installation comprising a rotor for generating thrust or electricity by action of the wind, wherein a bridge for directing navigation of the vessel is located above and supported by the rotor installation. 5 [Fig. 1]
Patent NL-2022694-B1 (NL)
Title: Prosthesis and method for applying such a prosthesis
Inventor: TEUNIS FLORIS KLINK
IPC: A61F13/14
Filed: 2019-03-08
Granted: 2020-09-17
Abstract: The present disclosure relates to a prosthesis, comprising a basis having an engagement surface that is configured to engage a chest portion With a wound area of a user; and comprising an emulator configured to be releasably connected to the basis and comprising an outer contour emulating a breast of the user. The present disclosure furthermore relates to a method for applying a prosthesis in accordance With the present disclosure, said method comprising providing a basis having an engagement surface that is configured to engage a chest portion With a wound area of a user; and providing an emulator configured to be releasably connected to the basis and comprising an outer contour emulating a breast of the user.
Patent NL-2023058-B1 (NL)
Title: A wellbore drilling top drive system and operational methods.
Inventor: DIEDERICK BERNARDUS WIJNING
IPC: E21B19/06
Filed: 2019-05-02
Granted: 2020-11-23
Abstract: A top drive system for wellbore related activities involving a drilling tubulars string. The system comprises a frame structure with a top frame member to be suspended from a main hoisting device and first and second vertical frame members. The system comprises a top drive device with one or more top drive motors, a transmission housing, a floating quill system with a hollow vertical floating quill shaft. The top drive device has a thrust bearing housing arranged below the transmission housing and suspended via said first and second vertical frame members from the top frame member. A hollow vertical outer main shaft is suspended from the thrust bearing housing and a hollow vertical inner main shaft is arranged vertically mobile within the outer main shaft. The inner main shaft is connected to the floating quill shaft and has a lower connector end that is configured to be connected to a drilling tubulars string via a threaded connection, so as to allow for transmission of the rotary torque from the one or more top drive motors via the transmission, the floating quill shaft, the inner main shaft, to the threadedly connected drilling tubular string.
Patent NL-2026061-B1 (NL)
Title: Closing member, air duct system, ventilation system, vessel and method of enabling inspection and/or cleaning of an interior of an air duct
Inventor: JEROEN THEODOOR FIJAN
IPC: F24F13/02
Filed: 2020-07-15
Granted: 2022-03-21
Abstract: Closing member for reversibly closing off an inspection opening in a wall section of an air duct, the closing member comprising: a cover plate configured to cover the inspection opening; a fire resistant gasket configured to provide an air-tight seal between the cover plate and the wall section; and fastening means for reversibly fastening the closing member to the wall section and for thereby forming the seal. Air duct system comprising: an air duct with a wall section which comprises an inspection opening; and the closing member for reversibly closing off the inspection opening. Method of enabling inspection of an interior of an air duct, comprising: providing an inspection opening in a wall section of the air duct; providing the closing member; positioning the cover plate of the closing member over the inspection opening; and reversibly fastening the closing member to the wall section.