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1. 发明公开

EP4442946A1 DOOR OPENING/CLOSING MECHANISM IN LAVATORY UNIT FOR AIRCRAFT 审中-实审
公开(公告)号：EP4442946A1
公开(公告)日：2024-10-09
申请号：EP22900983.2
申请日：2022-10-27
申请人： The Yokohama Rubber Co., Ltd.
发明人： MASUDA, Mitsutaka , TAKEDA, Mitsuaki
IPC分类号： E05F15/74 , B64D11/02 , E05F15/605 , E05F15/63
CPC分类号： Y02T50/40 , B64D11/02 , E05F1/14 , E05F15/605 , E05F15/611 , E05F15/63 , E05F15/74
摘要： Provided is a door opening and closing mechanism that can be easily installed in an aircraft lavatory unit of an existing aircraft and is advantageous in preventing the transmission of novel coronavirus in the interior. A powered door opening mechanism (34) configured to move a door (20) from the closed position to the open position is provided. The powered door opening mechanism (34) includes a non-contact sensor (36) provided inside and outside the lavatory (1002) and configured to detect part of a human body, an engaged member (40) provided in the door (20) and extending to an upper side of the door (20), an engaging member (42) provided at a section on the upper side of the door (20) inside the lavatory (1002), engageable with the engaged member (40) from a side of the door (20) from the closed position of the door (20) to the open position of the door (20), and having a shape that is open in a direction away from the door (20), and an actuator (44) configured to move the engaging member (42) in a direction away from the entrance (1212) in response to a detection signal from the non-contact sensor (36) and move the door (20) from the closed position to the open position through the engaged member (40).

2. 发明公开

EP4442569A1 DOOR OPENING AND CLOSING MECHANISM OF AIRCRAFT LAVATORY UNIT 审中-实审
公开(公告)号：EP4442569A1
公开(公告)日：2024-10-09
申请号：EP22900985.7
申请日：2022-10-27
申请人： The Yokohama Rubber Co., Ltd.
发明人： MASUDA, Mitsutaka , SUZUKI, Yushi
IPC分类号： B64D11/02 , E05F1/14 , E05F15/41 , E05F15/74
CPC分类号： E05F1/14 , E05F15/41 , E05F15/74 , B64D11/02
摘要： Provided is a door opening and closing mechanism of an entrance of an aircraft lavatory unit that is advantageous in improving the user-friendliness of the lavatory by reducing erroneous operation of the door while preventing the transmission of novel coronavirus in an interior. A powered door opening mechanism (34) includes an outdoor non-contact sensor (36A) provided outside a lavatory (1002) and configured to detect in a non-contact manner operation of a person holding a hand over the outdoor non-contact sensor (36A), a human detecting sensor (38) configured to detect the presence of a person inside the lavatory (1002), an actuator (44) configured to move a door (20), and a control unit (48) configured to control the actuator (44). The control unit (38) causes, in a case where the human detecting sensor (38) detects nothing, the actuator (44) to move the door (20) from the closed position to the open position when the outdoor non-contact sensor (36A) detects a person.

3. 发明公开

EP4428431A1 MARINE HOSE FLUID LEAKAGE DETECTION SYSTEM AND METHOD FOR MANUFACTURING SAME 审中-实审
公开(公告)号：EP4428431A1
公开(公告)日：2024-09-11
申请号：EP22889644.5
申请日：2022-08-25
申请人： The Yokohama Rubber Co., Ltd.
发明人： ISHIBASHI Yusuke
IPC分类号： F17D5/06 , G01M3/04 , G01M3/28 , F16L11/12 , F16L55/00
CPC分类号： F17D5/06 , F16L11/12 , G01M3/04 , F16L55/00 , G01M3/28
摘要： To provide a marine hose fluid leakage detection system that can provide improved durability of a detector while ensuring ease of checking and certainty of detection of fluid leakage and a method for manufacturing the same. A pressure sensor (15) portion and a passive IC tag (12) are housed in a pressure holding chamber (18c) formed by a metallic cylindrical base portion (18a) of a casing (18) placed on the surface of a marine hose (1) and a radio wave transmission portion (18b) configured to watertightly block an upper end portion side of the base portion (18a). The pressure holding chamber (18c) and a communication pipe (10) communicate with each other via a check valve (17) configured to allow only the flow of fluid (L) from the communication pipe (10) side to the pressure holding chamber (18c) side. The IC tag (12) transmits detected pressure data via a return radio wave (W2) to a radio wave receiver (22b) in accordance with a transmission radio wave (W1) from a radio wave transmitter (22a). Three or more projection portions (19) made of metal and projecting upward from the radio wave transmission portion (18b) are disposed at intervals in a circumferential direction at positions on an outer circumferential side of the radio wave transmission portion (18b) in a plan view, and upper end portions of the respective projection portions (19) are separated from each other.

4. 发明公开

EP4420981A1 FLUSH SWITCH FOR AIRCRAFT LAVATORY UNIT 审中-实审
公开(公告)号：EP4420981A1
公开(公告)日：2024-08-28
申请号：EP22883177.2
申请日：2022-07-27
申请人： The Yokohama Rubber Co., Ltd.
发明人： NAKAO, Kazushi
IPC分类号： B64D11/02 , E03D5/00 , H01H35/00
CPC分类号： H01H35/00 , E03D5/00 , B64D11/02
摘要： Provided is a flush switch for an aircraft lavatory unit which is advantageous in reducing the number of components of the aircraft lavatory unit provided with two types of flush switches, improving assembly work efficiency, and reducing the weight of the aircraft lavatory unit. A flush switch (28) includes a first flush switch (32) of a contact type configured to be actuated by a push button (40) and a second flush switch (34) of a non-contact type including a human body sensor. The first flush switch (32) and the second flush switch (34) are attached to a single base member (30) and covered with a single cover (36). Since the second flush switch (34) of a non-contact type can be used, it is advantageous in preventing infectious diseases, and even when the second flush switch (34) of a non-contact type fails, using the first flush switch (32) of a contact type advantageously ensures convenience of users.

5. 发明公开

EP4406757A1 RUBBER COMPOSITION FOR HEAVY-LOAD TIRE 审中-实审
公开(公告)号：EP4406757A1
公开(公告)日：2024-07-31
申请号：EP22872428.2
申请日：2022-03-29
申请人： The Yokohama Rubber Co., Ltd.
发明人： KAWASUMI Tomoko , TAKEUCHI Mizuki
IPC分类号： B60C1/00 , C08K5/103 , C08L7/00 , C08L15/00 , C08K3/04 , C08K3/22 , C08K3/36
CPC分类号： Y02T10/86 , B60C1/00 , C08K3/04 , C08K3/22 , C08K3/36 , C08K5/103 , C08L7/00 , C08L15/00
摘要： Provided is a rubber composition for a heavy duty tire that can provide wear resistance and fuel economy performance improved to a level higher than that in the related art, and can provide satisfactory workability and tensile strength in a well-balanced and compatible manner. The rubber composition contains silica in amount of 40 parts by mass or more per 100 parts by mass of a diene rubber, the diene rubber containing an isoprene rubber in an amount from 60 mass% to 85 mass% and a modified styrene-butadiene rubber having a glass transition temperature of lower than -50°C in an amount from 15 mass% to 40 mass%, and contains a silane coupling agent in an amount from 1 mass% to 20 mass% with respect to a blended amount of the silica.

6. 发明公开

EP4234403A1 AIRCRAFT RESTROOM UNIT 审中-实审转让
公开(公告)号：EP4234403A1
公开(公告)日：2023-08-30
申请号：EP21882369.8
申请日：2021-04-30
申请人： The Yokohama Rubber Co., Ltd.
发明人： NAKAO, Kazushi
IPC分类号： B64D11/02 , B05B15/625
摘要： Provided is an aircraft lavatory unit that enables passengers to disinfect their hands and fingers every time they use the aircraft lavatory unit and is advantageous in preventing infections with a novel coronavirus in a cabin. A structural frame (22A) of an aircraft lavatory unit (22) includes a first side wall (2206) facing a latitudinal aisle (20), and boarding entrances (24) are located at both ends of the latitudinal aisle (20). A pump-type bottle (30) that can discharge a disinfectant for hands and fingers is disposed at the first side wall (2206) at a height at which a passenger can push down a head portion (3016) thereof.

7. 发明公开

EP4201711A1 TIRE 审中-实审转让
公开(公告)号：EP4201711A1
公开(公告)日：2023-06-28
申请号：EP21861568.0
申请日：2021-08-24
申请人： The Yokohama Rubber Co., Ltd.
发明人： ISHIZU, Kento
IPC分类号： B60C11/13 , B60C5/00 , B60C11/03
摘要： Provided are a second land portion (32) defined by a shoulder main groove (21) and a center main groove (22) extending in a tire circumferential direction, and a plurality of sets of a first lug groove (321) and a second lug groove (322) that extend in the second land portion (32) in a tire width direction and are disposed alternately in the tire circumferential direction. The first lug groove (321) has one end that opens to the shoulder main groove (21) and an other end that terminates inside the second land portion (32) in which the groove width on one end side is formed wider than the groove width on the other end side, and the second lug groove (322) has one end that opens to the center main groove (22) and an other end that terminates inside the second land portion (32) in which the groove width on one end side is formed narrower than the groove width on the other end side and the one end side of the second lug groove (322) that is formed narrower is closed at ground contact.

8. 发明公开

EP4201707A1 TIRE 审中-实审转让
公开(公告)号：EP4201707A1
公开(公告)日：2023-06-28
申请号：EP21858271.6
申请日：2021-08-16
申请人： The Yokohama Rubber Co., Ltd.
发明人： KOISHIKAWA, Yoshifumi
IPC分类号： B60C11/03 , B60C11/12
摘要： To suppress a decrease in performance on ice and snow during wear of a tread portion (10), a pneumatic tire (1) includes a circumferential main groove (20) extending in a tire circumferential direction, a land portion (30) defined by the circumferential main grooves (20), and a sipe (4) disposed in the land portion (30). The sipe (4) is formed in a zigzag shape that has an amplitude in a width direction of the sipe (4) while extending in a longitudinal direction of the sipe (4). A magnitude of the amplitude changes according to a position in a depth direction of the sipe (4). A depth (Dp) of a maximum amplitude portion (45) from an opening portion (41) of the sipe (4) in the depth direction of the sipe (4) is located at a position 30% or more of a maximum depth (Ds) of the sipe (4). The maximum amplitude portion (45) is a portion where a magnitude of the amplitude is maximum.

9. 发明公开

EP4191109A1 MARINE HOSE FLUID LEAKAGE DETECTION SYSTEM 有权转让
公开(公告)号：EP4191109A1
公开(公告)日：2023-06-07
申请号：EP23154402.4
申请日：2020-02-14
申请人： The Yokohama Rubber Co., Ltd.
发明人： ISHIBASHI, Yusuke
IPC分类号： F16L11/08 , G01M3/36 , G01M3/04 , G01M3/18
摘要： Provided is a marine hose fluid leakage detection system capable of more reliably detecting leakage of a specific fluid such as refined oil flowing through a marine hose without substantially changing the hose structure.
When a fluid (L) flowing through a flow channel (1a) flows into a fluid retention layer (7) interposed between an inner circumferential reinforcing layer (4) and an outer circumferential reinforcing layer (6), an IC tag (10) of a passive type installed in the fluid retention layer (7) at a predetermined longitudinal position of a marine hose (1) is immersed or surrounded in the fluid (L). Then, a cover layer (13) of the IC tag (10), being formed of a soluble member that is dissolvable by the fluid (L), is dissolved to reduce an area of the cover layer (13) that blocks radio waves (W1) and (W2). Accordingly, the radio waves (W2) transmitted from the IC tag (10) in response to the radio waves (W1) transmitted from a radio wave transmitter (14a) disposed outside the marine hose (1) change in strength. This enables a determination whether the fluid (L) leaks from the flow channel (1a), based on the strength of the radio waves (W2) received by a radio wave receiver (14b).

10. 发明公开

EP4174149A1 SEALANT COMPOSITION 审中-实审转让
公开(公告)号：EP4174149A1
公开(公告)日：2023-05-03
申请号：EP21825068.6
申请日：2021-07-14
申请人： The Yokohama Rubber Co., Ltd.
发明人： TAKAHASHI, Kiyohito
IPC分类号： C09K3/10 , B60C19/12
摘要： Provided is a sealant composition that can ensure good sealing properties while suppressing a flow of a sealant during travel and that can provide such performance in a well-balanced, compatible manner. As a sealant composition constituting a sealant layer (10) disposed in an inner surface of a pneumatic tire, a sealant composition in which a proportion (A) of toluene insoluble occupying the sealant composition is from 30 mass% to 60 mass% is used, or a sealant composition in which a ratio (d1/d2) of measured specific gravity (d1) of the sealant composition measured by an underwater replacement method to calculated specific gravity (d2) of the sealant composition calculated from specific gravity and a blended amount of each raw material in the sealant composition is from 0.7 to 0.9 is used.

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