Patents Assigned to Archem Inc.
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Patent number: 11958392Abstract: A seat pad manufacturing method is provided. The method includes disposing a sheet member inside a foaming mold for shaping a seat pad, then injecting a foaming resin material into the foaming mold and foaming a resin foamed body through mold clamping, and demolding the resin foamed body in a state in which the sheet member is buried in the resin foamed body. Both end parts of the sheet member in the right-left direction and both end parts of the sheet member in the extending direction are each temporarily fastened to the surface of the mold through a fastener. The foaming resin material is injected into a space between the mold surface and the sheet member. A central part of the sheet member deforms into a shape curved in a convex shape as the sheet member is pressed upward through expansion of the foaming resin material.Type: GrantFiled: December 6, 2022Date of Patent: April 16, 2024Assignee: Archem Inc.Inventors: Yukiko Yamaguchi, Taisuke Yonezawa, Yoshiyuki Takahashi
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Patent number: 11945352Abstract: A porous structural body 1 is made of flexible resin or rubber and includes a skeleton part 2 that defines a plurality of cell holes C, and a top skin part 6 that is formed on at least part of an outer side of the skeleton part 2 and integrated with the skeleton part 2 and at least part of an outer side of the top skin part 6 is a surface.Type: GrantFiled: November 28, 2019Date of Patent: April 2, 2024Assignee: Archem Inc.Inventor: Taichi Itabashi
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Publication number: 20240100809Abstract: A cushion material manufacturing method for obtaining a cushion material is provided. The cushion material have a foam body having a surface portion formed of an air permeability control surface portion and an air permeability uncontrol surface portion and a covering material configured to cover the air permeability uncontrol surface portion. The cushion material manufacturing method includes covering the air permeability uncontrol surface portion of the foam body with the covering material.Type: ApplicationFiled: December 8, 2023Publication date: March 28, 2024Applicant: Archem Inc.Inventors: Taichi ITABASHI, Yukiko YAMAGUCHI, Satoshi IENAGA, Yoshiyuki TAKAHASHI
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Patent number: 11938854Abstract: A resin foamed body 1 is a resin foamed body made of flexible resin, the resin foamed body entirely includes a skeleton part 2, the skeleton part includes a plurality of bone parts 2B and a plurality of connection parts 2J connecting end parts of a plurality of bone parts, and an average value AV(A0/A1) of a ratio A0/A1 of cross-sectional area A0 of a bone change part of each bone part at an edge 2B22 on a bone constant part side relative to cross-sectional area A1 of the bone change part at an edge 2B21 on the connection part side satisfies 0.15?AV(A0/A1)<0.5.Type: GrantFiled: November 28, 2019Date of Patent: March 26, 2024Assignee: Archem Inc.Inventor: Makoto Iizuka
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Patent number: 11932146Abstract: A passenger-seat-cushion-member manufacturing method including a step of shaping the porous structural body by using a 3D printer; and a step of coupling the filling body side coupling part including the shaped porous structural body to the seat body side coupling part, to fill the seat body with the filling body.Type: GrantFiled: February 17, 2020Date of Patent: March 19, 2024Assignee: Archem Inc.Inventors: Taichi Itabashi, Nobuyuki Azakami, Yukiko Yamaguchi
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Patent number: 11912009Abstract: A sound insulation material 1 includes a first layer 10 constituted by a polyurethane foam, a second layer 20 that is laminated on a surface of the first layer, the surface being located on a first side, and that is constituted by a sheet-shaped member made from a material other than polyurethane, and a third layer 30 that is laminated on a surface of the second layer, the surface being located on the first side, that is constituted by a polyurethane foam, and that, over its entirety, has a higher density than the density of at least a portion of the first layer.Type: GrantFiled: October 15, 2019Date of Patent: February 27, 2024Assignee: Archem Inc.Inventor: Yusuke Yamanaka
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Patent number: 11858393Abstract: A cushion member 301 is a cushion member made of flexible resin or rubber and used for a passenger seat 300, and includes a porous structural body 1, and a top skin 330 serving as at least a surface FS on a seated person side among surfaces of the passenger seat and integrated with the porous structural body.Type: GrantFiled: November 28, 2019Date of Patent: January 2, 2024Assignee: Archem Inc.Inventors: Taichi Itabashi, Taisuke Yonezawa, Yoshiyuki Takahashi
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Publication number: 20230415386Abstract: A mold 200 is a mold for molding a foam body, the mold including: a mold body portion 260; and a degassing tool 270 attached to the mold body portion. The degassing tool is formed of porous metal, and a surface 270a of the degassing tool that is on a side of a cavity of the mold forms part of a molding surface S of the mold.Type: ApplicationFiled: May 12, 2021Publication date: December 28, 2023Applicant: Archem Inc.Inventors: Yoshiyuki TAKAHASHI, Taichi ITABASHI, Takayuki MOCHIZUKI, Kazuhiro HASEGAWA
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Publication number: 20230363547Abstract: A porous structural body 1 made of flexible resin or rubber, the porous structural body includes a skeleton part 2 throughout its entirety. The skeleton part includes a plurality of bone parts 2B and a plurality of coupling parts 2J coupling end parts of the plurality of respective bone parts with each other. The skeleton part has a plurality of annular parts 211 each constituted of the plurality of bone parts and the plurality of coupling parts into an annular shape. Each annular part zones a virtual surface V1 by its inner peripheral side edge part 2111. At least a part of each of one or a plurality of the virtual surfaces is covered with one or a plurality of partially connected films 31. Each of the one or plurality of partially connected films is connected to only a part of the annular part in a peripheral direction.Type: ApplicationFiled: May 12, 2021Publication date: November 16, 2023Applicant: Archem Inc.Inventors: Toshimitsu SHINOHARA, Yoshiyuki TAKAHASHI, Yukiko YAMAGUCHI, Satoshi IENAGA
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Patent number: 11801782Abstract: A seat pad 1 is a seat pad including a resin foamed body 50, and a sheet member 70 buried in the resin foamed body, and when a direction orthogonal to a right-left direction and a thickness direction of the seat pad is referred to as an extending direction of the seat pad, at least a central part of the sheet member is curved in a convex shape on a back surface side of the seat pad in the extending direction.Type: GrantFiled: October 4, 2019Date of Patent: October 31, 2023Assignee: Archem Inc.Inventors: Yukiko Yamaguchi, Taisuke Yonezawa, Yoshiyuki Takahashi
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Publication number: 20230294578Abstract: A porous structural body 1 is a porous structural body made of flexible resin or rubber, the porous structural body including a skeleton part 2 throughout an entirety thereof, wherein the skeleton part includes: a plurality of bone parts 2B; and a plurality of connection parts 2J that connect end portions of the plurality of bone parts, and wherein the porous structural body is configured such that a plurality of portions of the skeleton part interfere with each other when the porous structural body is compressed to deform in a predetermined weight input direction.Type: ApplicationFiled: May 12, 2021Publication date: September 21, 2023Applicant: Archem Inc.Inventors: Yoshiyuki TAKAHASHI, Toshimitsu SHINOHARA, Yukiko YAMAGUCHI, Satoshi IENAGA
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Patent number: 11759982Abstract: A foam molded product capable of preventing generation of an underfill portion due to a concave portion and a convex portion formed on a surface of the foam molded product and suppressing increase in cost, a method for producing the foam molded product, a molding die structure of the foam molded product, and a vehicle seat pad using the foam molded product are provided. A foam molded product 10 formed by integrally molding a foam body 12 made of a foamable resin material M and including a shape deformation section 26 that is a concave strip or a convex strip on a surface, and a sheet-shaped support member 14 covering a surface opposing a formation face of the shape deformation section 26 of the foam body 12. In the support member 14 of the foam molded product 10, a projected portion 16 is provided in a region opposing the shape deformation section 26 and/or a vicinity of the region, and the projected portion 16 is in a columnar shape extending in an extending direction of the shape deformation section 26.Type: GrantFiled: October 1, 2018Date of Patent: September 19, 2023Assignee: Archem Inc.Inventor: Kouichirou Yamazaki
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Patent number: 11708448Abstract: Provided is a water blocking material prepared by reacting and foaming a starting material composition that contains a polyol, a polyisocyanate, a catalyst, a foaming agent, a foam stabilizer and a crosslinking agent, in which the polyol contains a dimer acid polyol, the content of the dimer acid polyol in the starting material composition is 85% by mass or more of the entire polyol, the polyisocyanate contains a diphenylmethane diisocyanate, the content of the diphenylmethane diisocyanate in the starting material composition is 70 to 85% by mass of the entire polyisocyanate, and the foam stabilizer contains a reactive silicone. The water blocking material is excellent in heat resistance and water blocking performance and is further excellent in flexibility.Type: GrantFiled: October 10, 2018Date of Patent: July 25, 2023Assignee: Archem Inc.Inventor: Shinya Kanzaki
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Patent number: 11647844Abstract: Provided is a cushion pad, in which a seating body portion of a seating portion has a bottomless or bottomed first hole arranged at a position at which the first hole overlaps a pair of ischial bones of a seated person in a horizontal projection plane and three or more bottomless or bottomed second holes with areas that are smaller than an area of the first hole in a horizontal projection plane, a center point O51 of the first hole is on or inside a triangle TR obtained by connecting center points of any three second holes from among the three or more second holes in the horizontal projection plane and in the seating portion, the inside of the first hole is a void space, or a soft material portion is arranged inside the first hole.Type: GrantFiled: September 20, 2019Date of Patent: May 16, 2023Assignee: Archem Inc.Inventors: Taisuke Yonezawa, Yoshiyuki Takahashi, Taichi Itabashi, Yukiko Yamaguchi
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Patent number: 11634054Abstract: In a vehicle seat pad 1, a seating portion has a plurality of bottomless or bottomed holes 10h, and in a horizontal projection plane, a ratio R11U of a total area of under-femoral-region holes in an upper surface of a femoral region-placed portion with respect to an entire area of the femoral region-placed portion, a ratio R12CU of a total area of under-hip holes in an upper surface of an under-hip center portion with respect to an entire area of the under-hip center portion, and a ratio R12SU of a total area of under-hip holes in upper surfaces of a pair of under-hip side portions with respect to entire areas of the pair of under-hip side portions satisfy R11U>R12 CU>R12SU.Type: GrantFiled: October 16, 2019Date of Patent: April 25, 2023Assignee: Archem Inc.Inventors: Yukiko Yamaguchi, Taisuke Yonezawa, Yoshiyuki Takahashi
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Patent number: 11630401Abstract: Providing a laminate having an excellent adhesiveness between a base layer and a surface layer while having a good flexibility. In order to solve the aforementioned problems, the laminate of the present disclosure comprises at least a base layer, an intermediate layer and a surface layer, wherein a base layer composition contains an urethane resin, an intermediate layer composition contains an energy ray curable resin having (meth)acryloyl group in a molecule thereof, and, a non-UV curable resin having only isocyanate group as reactive functional group, and a surface layer composition contains a UV curable resin having the (meth)acryloyl group in the molecule.Type: GrantFiled: March 6, 2018Date of Patent: April 18, 2023Assignee: Archem Inc.Inventors: Takehiro Sano, Akihide Osaku, Manami Gake
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Publication number: 20230116023Abstract: A seat pad manufacturing method is provided. The method includes disposing a sheet member inside a foaming mold for shaping a seat pad, then injecting a foaming resin material into the foaming mold and foaming a resin foamed body through mold clamping, and demolding the resin foamed body in a state in which the sheet member is buried in the resin foamed body. Both end parts of the sheet member in the right-left direction and both end parts of the sheet member in the extending direction are each temporarily fastened to the surface of the mold through a fastener. The foaming resin material is injected into a space between the mold surface and the sheet member. A central part of the sheet member deforms into a shape curved in a convex shape as the sheet member is pressed upward through expansion of the foaming resin material.Type: ApplicationFiled: December 6, 2022Publication date: April 13, 2023Applicant: Archem Inc.Inventors: Yukiko YAMAGUCHI, Taisuke YONEZAWA, Yoshiyuki TAKAHASHI
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Patent number: 11590871Abstract: According to the disclosure, a seat pad 2 includes a bag-contained pad part 250 including a foam body 240 and a bag body 230 arranged inside the foam body 240.Type: GrantFiled: October 2, 2018Date of Patent: February 28, 2023Assignee: Archem Inc.Inventors: Yoshiyuki Takahashi, Taisuke Yonezawa, Yukiko Tsugawa
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Patent number: 11571843Abstract: According to the present invention, a side part cavity (23) in which a side part is molded, a body part cavity (24) in which a body part is molded, and an attachment part cavity (25) in which an attachment part is molded are formed between a plurality of molding molds (21, 22), and a guiding part (26) that is configured to guide a foam to the body part cavity when an undiluted foam solution of the second synthetic resin material supplied to the side part cavity foams is arranged at a part of the side part cavity adjacent to, in a left-right direction X, a rear end part of the body part cavity in which a non-contact part is molded.Type: GrantFiled: January 24, 2018Date of Patent: February 7, 2023Assignee: Archem Inc.Inventors: Yoshiyuki Takahashi, Taisuke Yonezawa, Yukiko Tsugawa
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Patent number: 11459440Abstract: An object of the present disclosure is to provide a conductive urethane foam capable of curbing changes in hardness and impact resilience thereof between prior to and after being impregnated with a binder resin, while keeping a stable charge-imparting effect thereof. To achieve the object, the present disclosure proposes a conductive urethane foam including an urethane foam substrate material having a surface layer impregnated with a binder resin containing a conducting agent: wherein the binder resin contains a silicone resin.Type: GrantFiled: July 23, 2018Date of Patent: October 4, 2022Assignee: Archem Inc.Inventor: Hirokazu Doi