Title:
NEEDLE PENETRATION TEST DEVICE
Document Type and Number:
Japanese Patent JP2023124086
Kind Code:
A
Abstract:
To propose a needle penetration test device capable of efficiently replacing a damaged penetration needle and easily collecting a plurality of measurement data in situ.SOLUTION: A needle penetration test device 3 comprises a housing inserted into a measurement hole 2, a replenishment case 6 provided inside the housing 5, and measuring means 7 disposed below the replenishment case 6 inside the housing 5. A plurality of penetration needles 4 are housed in the replenishment case 6. The measuring means 7 comprises a catcher 71 that removably holds the penetration needle 4 discharged from the replenishment case 6, and a load cell 72 that measures the needle penetration resistance force when the penetration needle 4 held by the catcher 71 penetrates a hole wall 21.SELECTED DRAWING: Figure 1
Inventors:
KOBAYASHI MAKIKO
FUJIWARA TADAFUMI
FUJIWARA TADAFUMI
Application Number:
JP2022027672A
Publication Date:
September 06, 2023
Filing Date:
February 25, 2022
Export Citation:
Assignee:
TAISEI CORP
International Classes:
E02D1/08; E02D3/12; G01N3/40
Attorney, Agent or Firm:
Patent Attorney Corporation Isono International Patent and Trademark Office
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