Title:
ハニカムコアの製造方法
Document Type and Number:
Japanese Patent JP7371600
Kind Code:
B2
Abstract:
A technique for improving durability of a frame is provided. A method for manufacturing a honeycomb structure from a triangular hollow pipe composed of a first flat plate, a second flat plate, and a third flat plate includes forming a first slit in the hollow pipe so as to cut all the flat plates except the first plate and forming a second slit in the hollow pipe at a position different from a position of the first slit position in a longitudinal direction of the hollow pipe so as to cut all the flat plates except the second flat plate and folding back the first plate at the first slit position and folding back the second flat plate at the position of the second slit position.
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Inventors:
Tatsuyuki Hayashi
Hiroshi Kanehara
Hiroshi Kanehara
Application Number:
JP2020168587A
Publication Date:
October 31, 2023
Filing Date:
October 05, 2020
Export Citation:
Assignee:
Toyota Motor Corporation
International Classes:
B21D47/00; B21D47/01; B32B3/12
Domestic Patent References:
| JP2019211062A | ||||
| JP9253757A | ||||
| JP2017070968A |
Foreign References:
| US20120138185 |
Attorney, Agent or Firm:
Ken Ieiri
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