Patents by Inventor Seiya SAWADA

Seiya SAWADA 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).

  • Method for producing shrink-fitted member
    Patent number: 12005535
    Abstract: A method for producing a shrink-fitted member by arranging a pillar shaped ceramic body inside a deep-drawn stainless steel pipe and shrink-fitting them. The method includes: a preparing step of preparing the deep-drawn stainless steel pipe produced by deep-drawing and the pillar shaped ceramic body; a heating step of heating the deep-drawn stainless steel pipe to 900° C. or more; and a shrink-fitting step of inserting the pillar shaped ceramic body into the heated deep-drawn stainless steel pipe and shrink-fitting them.
    Type: Grant
    Filed: February 13, 2023
    Date of Patent: June 11, 2024
    Assignee: NGK INSULATORS, LTD.
    Inventors: Fumitaka Takeuchi, Shuhei Kuno, Seiya Sawada
  • Method and device for producing shrink-fitted member
    Patent number: 11998972
    Abstract: A method for producing a shrink-fitted member by arranging a hollow type pillar shaped ceramic body inside a metal pipe and shrink-fitting them, the hollow type pillar shaped ceramic body including: an outer peripheral surface and an inner peripheral surface in a direction substantially parallel to an axial direction; and a first end face and a second end face in a direction substantially perpendicular to the axial direction. The method includes arranging the hollow type pillar shaped ceramic body inside the metal pipe while gripping the hollow type pillar shaped ceramic body using a chuck mechanism.
    Type: Grant
    Filed: January 9, 2023
    Date of Patent: June 4, 2024
    Assignee: NGK INSULATORS, LTD.
    Inventors: Fumitaka Takeuchi, Shuhei Kuno, Seiya Sawada
  • METHOD FOR PRODUCING SHRINK-FITTED MEMBER
    Publication number: 20230321770
    Abstract: A method for producing a shrink-fitted member by arranging a pillar shaped ceramic body inside a deep-drawn stainless steel pipe and shrink-fitting them. The method includes: a preparing step of preparing the deep-drawn stainless steel pipe produced by deep-drawing and the pillar shaped ceramic body; a heating step of heating the deep-drawn stainless steel pipe to 900° C. or more; and a shrink-fitting step of inserting the pillar shaped ceramic body into the heated deep-drawn stainless steel pipe and shrink-fitting them.
    Type: Application
    Filed: February 13, 2023
    Publication date: October 12, 2023
    Applicant: NGK Insulators, Ltd.
    Inventors: Fumitaka TAKEUCHI, Shuhei KUNO, Seiya SAWADA
  • METHOD AND DEVICE FOR PRODUCING SHRINK-FITTED MEMBER
    Publication number: 20230302523
    Abstract: A method for producing a shrink-fitted member by arranging a hollow type pillar shaped ceramic body inside a metal pipe and shrink-fitting them, the hollow type pillar shaped ceramic body including: an outer peripheral surface and an inner peripheral surface in a direction substantially parallel to an axial direction; and a first end face and a second end face in a direction substantially perpendicular to the axial direction. The method includes arranging the hollow type pillar shaped ceramic body inside the metal pipe while gripping the hollow type pillar shaped ceramic body using a chuck mechanism.
    Type: Application
    Filed: January 9, 2023
    Publication date: September 28, 2023
    Applicant: NGK Insulators, Ltd.
    Inventors: Fumitaka TAKEUCHI, Shuhei KUNO, Seiya SAWADA