Crosscut test device and crosscut method
US10753855B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Jul 4, 2016 |
| Grant date | Aug 25, 2020 |
| Priority date | — |
| Expiry date | Jul 8, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2203/0053
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
There are provided a cross-cut test device and a cross-cut method capable of safely making incisions for testing the adhesion of a coating film at high-precision interval and depth under stable conditions using a simple operation. A cross-cut device, comprising: a plurality of blades respectively having an engagement hole; a fulcrum shaft for pivotably mounting thereon the blades parallel to each other and arranged in the blade thickness direction; and a blade holder for housing the blades pivotably mounted on the fulcrum shaft, wherein a magnet is interposed between the cutting edges and the coating film to be tested, and wherein the blades are pulled in the direction toward cutting edges by the magnetic force of the magnet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.