Patents Assigned to TBM CO., LTD.
  • Patent number: 11958671
    Abstract: Provided are a laminated structure having a composition coping with environmental problems and having an excellent gas barrier property and oil resistance, a food packaging container formed by using the laminated structure, and a method for producing the laminated structure. The laminated structure includes a second coating layer including a polyvinylidene chloride-based resin through a first coating layer formed by blending clay in a proportion of 35% by mass or more and 65% by mass or less and light calcium carbonate in a proportion of 5% by mass or more and 30% by mass or less in a continuous phase made of an acrylic polymer on one surface or both surfaces of a substrate including a thermoplastic resin and an inorganic substance powder in a mass ratio of 50:50 to 10:90.
    Type: Grant
    Filed: May 11, 2020
    Date of Patent: April 16, 2024
    Assignee: TBM CO., LTD.
    Inventor: Erina Sato
  • Patent number: 11773227
    Abstract: A resin composition having a high blending proportion of an inorganic substance powder that can produce a stretched sheet having an excellent elongation property and high whiteness and opacity. A resin composition for producing a stretched sheet including: a first thermoplastic resin, a second thermoplastic resin different from the first thermoplastic resin, and an inorganic substance powder, in which a mass proportion of the first thermoplastic resin and the inorganic substance powder is 50:50 to 10:90, a content of the second thermoplastic resin is 1% by mass or more and 7% by mass or less relative to a total amount of the first thermoplastic resin and the inorganic substance powder, and the second thermoplastic resin is low stereoregular polypropylene.
    Type: Grant
    Filed: January 7, 2021
    Date of Patent: October 3, 2023
    Assignee: TBM CO., LTD.
    Inventor: Gouki Sasakawa
  • Patent number: 11680136
    Abstract: The present invention may provide a composition containing a biologically degradable resin from which a molded article having suppressed deterioration of the tensile strength and the elongation at the breaking point thereof can be obtained. The present invention may provide a resin composition including a biologically degradable resin, a heavy calcium carbonate, and acetyl tributyl citrate, in which a mass ratio of the biologically degradable rein to the heavy calcium carbonate is 10:90 to 70:30, the biologically degradable resin includes at least polybutylene adipate terephthalate or polybutylene succinate adipate, a content of the polybutylene adipate terephthalate or the polybutylene succinate adipate relative to the biologically degradable resin is 70% or more by mass, and a content of the acetyl tributyl citrate relative to the resin composition is 5.0% or more and 20.0% or less by mass.
    Type: Grant
    Filed: September 21, 2021
    Date of Patent: June 20, 2023
    Assignee: TBM CO., LTD.
    Inventor: Gouki Sasakawa
  • Patent number: 11643536
    Abstract: Provided is a sheet not generating feeding failure in a device having a heat setting process even when a large amount of an inorganic filler is included and a thermoplastic resin composition for forming the sheet. The thermoplastic resin composition may include at least a thermoplastic resin and an inorganic filler, in which the thermoplastic resin includes polypropylene having no long chain branch (B) and polypropylene having a long chain branching structure (A) in a mass ratio of 80:20 to 98:2.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: May 9, 2023
    Assignee: TBM CO., LTD.
    Inventors: Shigeki Kuroki, Gouki Sasakawa
  • Patent number: 11549005
    Abstract: Provided is a thermoplastic resin composition that reduces uneven distribution of inorganic substance particles and is suitable for producing a formed article having excellent appearance and mechanical properties even when the thermoplastic resin is highly filled with inorganic substance powder and a formed article using this thermoplastic resin composition. Provided are an inorganic substance powder-containing thermoplastic resin composition including a thermoplastic resin and inorganic substance powder in a mass ratio of 50:50 to 10:90, in which the inorganic substance powder is calcium carbonate particles, the calcium carbonate particles include at least two groups of particles having different average particle diameters, and any of the average particle diameters of the particle groups is within a range of 0.7 ?m or more and 6.0 ?m or less; and a formed article using this inorganic substance powder-containing thermoplastic resin composition.
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: January 10, 2023
    Assignee: TBM CO., LTD.
    Inventors: Hiroshi Nakamura, Eiji Mizuno, Taichi Yamaguchi
  • Publication number: 20220270112
    Abstract: A carbon offset credit calculation system utilizing waste oil includes a first terminal device inputting information relating to waste oil regarded as a biomass resource; a second terminal device owned by a fuel manufactory and inputting information relating to biofuel, which is purified from waste oil. The fuel manufactory produces the biofuel based on the waste oil. The system includes a third terminal device owned by a site consuming biofuel and inputting information relating to power generation and fuel consumption; and a carbon offset credit calculation server, which calculates a carbon offset amount based on information input by the first terminal device, the second terminal device, and the third terminal device, and calculates a carbon offset credit based on the carbon offset amount. The first terminal device, the second terminal device, the third terminal device, and the carbon offset credit calculation server are connected to one another via the network.
    Type: Application
    Filed: January 18, 2020
    Publication date: August 25, 2022
    Applicant: TBM CO., LTD.
    Inventor: Kunihiro Sahara
  • Patent number: 11242441
    Abstract: Provided is a biodegradable resin molded product that exhibits excellent processability and sufficient strength as the molded product, is advantageous in terms of cost and at the same time, has excellent biodegradability under an environment, in particular, marine biodegradability, and a method for producing the same, and pellets used therefor. The molded product is produced using a biodegradable resin composition including a biodegradable resin and heavy calcium carbonate particles in a range by mass of 50:50 to 10:90.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: February 8, 2022
    Assignee: TBM CO., LTD.
    Inventor: Takahiko Terada
  • Patent number: 10767021
    Abstract: Provided is a cut sheet having sufficient water resistance and having fewer sharp protrusions in the end face despite including a large amount of inorganic particles and a method of reducing cuts. The cut sheet is formed of a resin composition including inorganic particles of 50% by mass or larger relative to the total mass of the composition and a thermoplastic resin. The cut sheet has a water absorption rate of 10% or lower measured in accordance with JIS K-7209. The actual occupancy rate of the exposed area of the inorganic particles is lower by at least 2% than the theoretical occupancy rate of the area of the inorganic particles in at least one end face.
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: September 8, 2020
    Assignee: TBM CO., LTD.
    Inventor: Yuichiro Sumi
  • Patent number: 10669387
    Abstract: Provided is a plastic thin film material, on which a process material can be applied or deposited at low cost and with high efficiency, and in which an inorganic substance powder capable of achieving a functional processing for enabling the strong adhesion of a laminated layer on the thin film material is filled at a high density. A thin film material for processing use, which contains a thermoplastic resin and an inorganic substance powder at a weight ratio of 18:82 to 50:50, and has a specific gravity of 0.60 to 1.40 inclusive and a degree of absorption of water of 0.0 to 11.0 g/m2·120 sec inclusive as measured by a Cobb method in accordance with JIS P 8140.
    Type: Grant
    Filed: December 27, 2013
    Date of Patent: June 2, 2020
    Assignee: TBM CO., LTD.
    Inventor: Yuichiro Sumi
  • Patent number: 10363701
    Abstract: The problem addressed by the invention lies in providing a method for producing an inorganic substance powder highly-oriented thin film sheet with which it is possible to produce a sheet of uniform thickness while preventing the generation of impurities, improving sheet surface properties, adjusting apparent specific gravity, and the like. The method for producing a thin film sheet comprises a step for preparing a predetermined inorganic substance powder, thermoplastic resin, and auxiliary agent, a step for exposing the starting materials mixed at a predetermined mixture ratio to high shear stress while kneading, a step for feeding the kneaded starting materials to a T die-type extrusion molding device and molding a sheet, and a step for adjusting the apparent gravity as desired by stretching under predetermined conditions.
    Type: Grant
    Filed: July 13, 2016
    Date of Patent: July 30, 2019
    Assignee: TBM CO., LTD.
    Inventors: Yuichiro Sumi, Naoyuki Kawamata
  • Patent number: 9492964
    Abstract: The problem addressed by the invention lies in providing a method for producing an inorganic substance powder highly-oriented thin film sheet with which it is possible to produce a sheet of uniform thickness while preventing the generation of impurities, improving sheet surface properties, adjusting apparent specific gravity, and the like. The method for producing a thin film sheet comprises a step for preparing a predetermined inorganic substance powder, thermoplastic resin, and auxiliary agent, a step for exposing the starting materials mixed at a predetermined mixture ratio to high shear stress while kneading, a step for feeding the kneaded starting materials to a T die-type extrusion molding device and molding a sheet, and a step for adjusting the apparent gravity as desired by stretching under predetermined conditions.
    Type: Grant
    Filed: May 18, 2012
    Date of Patent: November 15, 2016
    Assignee: TBM CO., LTD.
    Inventors: Yuichiro Sumi, Naoyuki Kawamata
  • Publication number: 20150353695
    Abstract: Provided is a plastic thin film material, on which a process material can be applied or deposited at low cost and with high efficiency, and in which an inorganic substance powder capable of achieving a functional processing for enabling the strong adhesion of a laminated layer on the thin film material is filled at a high density. A thin film material for processing use, which contains a thermoplastic resin and an inorganic substance powder at a weight ratio of 18:82 to 50:50, and has a specific gravity of 0.60 to 1.40 inclusive and a degree of absorption of water of 0.0 to 11.0 g/m2·120 sec inclusive as measured by a Cobb method in accordance with JIS P 8140.
    Type: Application
    Filed: December 27, 2013
    Publication date: December 10, 2015
    Applicant: TBM CO., LTD.
    Inventor: Yuichiro SUMI
  • Publication number: 20140100328
    Abstract: The problem addressed by the invention lies in providing a method for producing an inorganic substance powder highly-oriented thin film sheet with which it is possible to produce a sheet of uniform thickness while preventing the generation of impurities, improving sheet surface properties, adjusting apparent specific gravity, and the like. The method for producing a thin film sheet comprises a step for preparing a predetermined inorganic substance powder, thermoplastic resin, and auxiliary agent, a step for exposing the starting materials mixed at a predetermined mixture ratio to high shear stress while kneading, a step for feeding the kneaded starting materials to a T die-type extrusion molding device and molding a sheet, and a step for adjusting the apparent gravity as desired by stretching under predetermined conditions.
    Type: Application
    Filed: May 18, 2012
    Publication date: April 10, 2014
    Applicant: TBM CO., LTD.
    Inventors: Yuichiro Sumi, Naoyuki Kawamata