{
  "$type": "site.standard.document",
  "description": "A joining method of a structure 1 includes preparing a first member 10 including a first portion 14 provided with a first hole 14a and a second portion 12 provided with a second hole 12a, a second member 20, a die 30, and an elastic member 40, inserting the second member 20 into the first hole 14a…",
  "path": "/patents/1403772",
  "publishedAt": "2025-11-19T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B21D39/044",
    "KOBE STEEL LTD [JP]"
  ],
  "textContent": "A joining method of a structure 1 includes preparing a first member 10 including a first portion 14 provided with a first hole 14a and a second portion 12 provided with a second hole 12a, a second member 20, a die 30, and an elastic member 40, inserting the second member 20 into the first hole 14a of the first member 10, inserting the elastic member 40 into the second member 20, in a state where one end of the second member 20 in an axial direction is located between the first portion 14 and the second portion 12 of the first member 10, compressing and expanding the elastic member 40 in the axial direction, thereby expanding and deforming the second member 20 at a portion passing through the first hole 1a of the first member 10 to be swaged and joined to the first portion 14. The die 30 includes a support surface 30a for applying a compressive force from the die 30 to the elastic member 40 through the second hole 12a. The support surface 30a is perpendicular to an axial direction of the elastic member 40.",
  "title": "METHOD FOR PRODUCING STRUCTURE"
}