Patents by Inventor Yoshiharu Hatakeyama

Yoshiharu Hatakeyama has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4580702
    Abstract: A tubular container comprises a hollow body opened at one end and having in cross section a polygonal shape with sharp ridges being formed at corners, and a headpiece including a neck and a shoulder which includes an inclined portion having ridges and a polygonal configuration corresponding to the hollow body, the headpiece and the hollow body being integrally fused with each other with the ridges of the inclined portion being in agreement with the sharp ridges of the hollow body.
    Type: Grant
    Filed: April 30, 1984
    Date of Patent: April 8, 1986
    Assignee: Yoshida Industry Co., Ltd.
    Inventors: Yoshiharu Hatakeyama, Kenzo Teshima, Shuji Nakazawa
  • Patent number: 4569457
    Abstract: A bottle closure includes a frusto-conical hollow sealing member open at its lower end and formed of a soft synthetic-resin material, and a closure cap having a T-shape and formed of a hard synthetic-resin material. The upper end of the sealing member is embedded in the closure cap, thereby integrally mounting the sealing member on the closure cap.
    Type: Grant
    Filed: July 24, 1984
    Date of Patent: February 11, 1986
    Assignee: Yoshida Industry Co., Ltd.
    Inventors: Yoshiharu Hatakeyama, Shinichi Kozuka
  • Patent number: 4553679
    Abstract: An inner closure cap, adapted to be tightly fitted to an open end of a neck portion of a container and covered with an outer closure cap engageable with the outer periphery of the neck portion, includes a cap body having a pouring hole and an upper surface and a sealing member for hermetically closing the pouring hole. The upper surface and the sealing member are formed with respective rings having vertical sides, and the sealing member is adhered to the upper surface with the rings being fitted therebetween in adhesion.
    Type: Grant
    Filed: May 18, 1984
    Date of Patent: November 19, 1985
    Assignee: Yoshida Industry Co., Ltd.
    Inventors: Yoshiharu Hatakeyama, Yoshio Minosawa
  • Patent number: 4518554
    Abstract: A tubular container is molded with a cap by defining; at least one portion of a cavity for molding a neck portion between a female die for receiving a cap having a screw on the inside thereof and a male die having a fixed guide rod for insertion into the cap centrally thereof. A top end portion of a preformed container body is partly inserted into the cavity. A synthetic resin, which possesses compatibility with the container body and is not fused together with the cap, is injected into the cavity to form the neck portion integrally with the container body.
    Type: Grant
    Filed: September 6, 1983
    Date of Patent: May 21, 1985
    Assignee: Yoshida Industry Co., Ltd.
    Inventors: Yoshiharu Hatakeyama, Tatsuo Ishikawa, Kenzo Teshima
  • Patent number: 4496513
    Abstract: A tubular container molding method includes the steps of inserting a core block having an upwardly projected annular flange at the top end into a preformed tubular member, closing the mold and thereby pressing an upper marginal portion of the tubular member against a cavity mold and bending inwardly such upper marginal portion to form a shoulder portion of the container, urging the inwardly bent marginal portion against an interior surface of the cavity mold by the annular flange to hold the shoulder portion between the core block and the cavity mold, and injecting molten resin into an air gap defined between the core block and the cavity mold, thereby molding conical and neck portions of the container integrally with the shoulder portion.
    Type: Grant
    Filed: May 23, 1983
    Date of Patent: January 29, 1985
    Assignee: Yoshida Industry Co., Ltd.
    Inventors: Tatsuo Ishikawa, Yoshiharu Hatakeyama
  • Patent number: 4495125
    Abstract: A synthetic-resin-made container having ornamentation is formed by forming a flexible and ornamented tubular member and inserting it into an outer sleeve, disposing the sleeve in a molding die to define an annular space inside the tubular member, and injecting molten resin into the space and then solidifying the resin to form an inner sleeve which is fused with the outer sleeve at both ends thereof, thereby hermetically sealing the tubular member therebetween.
    Type: Grant
    Filed: August 30, 1982
    Date of Patent: January 22, 1985
    Assignee: Yoshida Industry Co., Ltd.
    Inventors: Yoshiharu Hatakeyama, Kenzo Teshima
  • Patent number: 4485065
    Abstract: A bottle closure is formed by: forming a frusto-conical hollow sealing member having an open lower end, of a soft synthetic-resin, and disposing such member in a molding die defining a T-shaped cavity with an upper end of the member being projected into a horizontal portion of the cavity. A molten hard synthetic-resin is injected into the cavity through the open end of the member. Such hard resin is cooled to form a closure cap having embedded therein the upper end of the member, thereby integrally mounting the sealing member with a closure cap.
    Type: Grant
    Filed: September 28, 1982
    Date of Patent: November 27, 1984
    Assignee: Yoshida Industry Co., Ltd.
    Inventors: Yoshiharu Hatakeyama, Shinichi Kozuka
  • Patent number: 4459092
    Abstract: An ornament plate supplied into a mold is punched out from a continuous sheet by a peripheral knife edge at an end of a press core member and advanced to a place which defines a part of a molding cavity. The press core member has a concave space in the end face thereof surrounded by the knife edge, the area of the concaved space being equal, in developed view, to the plane area of the punched ornament plate. The press core member has applied therethrough vacuum by which the punched ornament plate is attracted to the concave end face of the press core member during injection of molten thermoplastic resin.
    Type: Grant
    Filed: July 13, 1982
    Date of Patent: July 10, 1984
    Assignee: Yoshida Industry Co., Ltd.
    Inventor: Yoshiharu Hatakeyama
  • Patent number: 4457961
    Abstract: A pearly-lustered container includes, a body of a triple-layer structure. A thin outer layer is formed of a synthetic resinous material mixed with powdered pearl essence for giving a pearly luster. A relatively thick intermediate layer is formed of a transparent synthetic resinous material mixed with coloring pigment for bringing out a desired color tone. An inner layer is formed of a white opaque synthetic resinous material to function as a screen.
    Type: Grant
    Filed: February 10, 1983
    Date of Patent: July 3, 1984
    Assignee: Yoshida Industry Co., Ltd.
    Inventors: Hidezi Nakazawa, Yoshiharu Hatakeyama
  • Patent number: 4421705
    Abstract: The present invention is carried out in combination with the injection molding of a closure cap or container, wherein a continuous sealing strip having a thermoplastic resin layer on the inner surface thereof is supplied intermittently. Then a reciprocable molding member having a sharp edge at the tip thereof is advanced through the sealing strip to a position where a molding cavity in the injection mold defining a pour-out hole of a closure cap or container is closed by a sealing piece punched out from the sealing strip, and thereafter a thermoplastic resin is injected into the molding cavity.
    Type: Grant
    Filed: September 23, 1982
    Date of Patent: December 20, 1983
    Assignee: Yoshida Industry Co., Ltd.
    Inventors: Yoshiharu Hatakeyama, Susumu Kimura
  • Patent number: 4418033
    Abstract: This invention relates to a method of decorating the surface of an article made of synthetic resin and a metal mold for decoration of the article thereby formed.
    Type: Grant
    Filed: January 17, 1980
    Date of Patent: November 29, 1983
    Inventor: Yoshiharu Hatakeyama
  • Patent number: 4403932
    Abstract: An apparatus for loading cosmetic material into a hollow space includes a porous absorbent block arranged to define at least a part of a closed hollow space. A cosmetic material is injected into the closed hollow space, the cosmetic material being prepared by mixing powder cosmetic material with a binder and solvent. The absorbent block is separated from the cosmetic material solidified in the hollow space. Solvent which is absorbed by the absorbent block is removed therefrom after separating the block from the solidified cosmetic material.
    Type: Grant
    Filed: July 13, 1981
    Date of Patent: September 13, 1983
    Assignees: Shiseido Company, Ltd, Yoshida Industry Co., Ltd.
    Inventors: Hirotake Ogasawara, Yoshiharu Hatakeyama, Mitsuo Ishiguro
  • Patent number: 4374796
    Abstract: Cosmetic material prepared by mixing powder cosmetic material with a binder and solvent is injected under a predetermined pressure into a hollow closed space partially defined by a porous absorbing material, whereby the solvent in the cosmetic material is absorbed into the absorbing material and the powder cosmetic material is solidified in the hollow closed space.
    Type: Grant
    Filed: November 5, 1980
    Date of Patent: February 22, 1983
    Assignees: Shiseido Company, Ltd., Yoshida Industry Co., Ltd.
    Inventors: Hirotake Ogasawara, Yoshiharu Hatakeyama, Mitsuo Ishiguro
  • Patent number: 4360329
    Abstract: This invention relates to a method of decorating the surface of an article made of synthetic resin and a metal mold for decoration of the article thereby formed.
    Type: Grant
    Filed: October 15, 1981
    Date of Patent: November 23, 1982
    Inventor: Yoshiharu Hatakeyama
  • Patent number: 4331168
    Abstract: A cover member of a vanity case is provided with a cavity extending therein from the front end thereof. A slider element has an inner end portion slidably inserted into the cavity, and an enlarged outer end portion thereof located closely adjacent to the front end of a receptacle member of the vanity case in a closed position of the cover member. The enlarged outer end portion is arranged to force down the receptacle member to release the snap engagement between the cover and receptacle members when the slider element is pushed inwardly.
    Type: Grant
    Filed: November 17, 1980
    Date of Patent: May 25, 1982
    Assignee: Yoshida Industry Co., Ltd.
    Inventor: Yoshiharu Hatakeyama
  • Patent number: 4276893
    Abstract: This invention relates to a compact which is easily capable of opening or closing together with keeping cosmetics inside thereof.More particularly, it relates to a compact wherein a slide hole is perforated at an opening portion of said case body and a slide member having a taper on the upper side of the head is inserted slidably through said slide hole and is allowed to push up a lid of said body using said taper, thereby being capable of disengaging the mesh of a hook of said body with a hook of said lid.
    Type: Grant
    Filed: May 31, 1979
    Date of Patent: July 7, 1981
    Inventors: Seikichiro Enomoto, Yoshiharu Hatakeyama
  • Patent number: 4238042
    Abstract: The present invention relates to an extremely useful air-tight cap for bottle, and more particularly an air-tight cap adapted for use in a so-called positioning container wherein a bottle of a non-circular cross section such as a polygonal or oval form is closed by a cap of a same cross section when it is brought to a determined positional relationship with respect to said bottle and capable of achieving tight closure of the cap in such determined position to maintain air tightness and to completely prevent the leak of the content by means of a structure capable of achieving maximum packing effect.
    Type: Grant
    Filed: July 16, 1979
    Date of Patent: December 9, 1980
    Assignee: Yoshida Kogyo Co., Ltd.
    Inventors: Yoshiharu Hatakeyama, Ichiro Kizawa