Title:
QUALITY EVALUATION METHOD OF ROCK WOOL AND SPRAY METHOD OF ROCK WOOL
Document Type and Number:
Japanese Patent JP2014101705
Kind Code:
A
Abstract:
To inexpensively and rapidly provide a technology which reduces an amount of falling cotton.
This quality evaluation method of rock wool comprises the steps of: forming a second rock wool layer on a first rock wool layer; then applying force in a direction in which the first rock wool layer and the second rock wool layer pressure-contact with each other; and checking adhesion strength between the first rock wool layer and the second rock wool layer after the applied force is removed.
Inventors:
KAMATA RYOTA
TANIBE TORU
TANIBE TORU
Application Number:
JP2012255031A
Publication Date:
June 05, 2014
Filing Date:
November 21, 2012
Export Citation:
Assignee:
TAIHEIYO MATERIAL KK
International Classes:
E04B1/94; E04B1/76; E04F13/02; E04F21/08; G01N19/04
Domestic Patent References:
JPS61246055A | 1986-11-01 | |||
JPH0248849U | 1990-04-04 | |||
JPS4810696B1 | 1973-04-06 | |||
JPS57183376A | 1982-11-11 | |||
JPS63285177A | 1988-11-22 | |||
JPH07259207A | 1995-10-09 | |||
JPS61246055A | 1986-11-01 | |||
JPH0248849U | 1990-04-04 | |||
JPS4810696B1 | 1973-04-06 |
Attorney, Agent or Firm:
Katsumi Utaka
Daigo Maejima
Daigo Maejima
Previous Patent: FILTRATION STRUCTURE
Next Patent: CLEANING TOOL FOR SIDEWALK/ROADWAY BLOCK, AND METHOD OF CLEANING SIDEWALK/ROADWAY BLOCK
Next Patent: CLEANING TOOL FOR SIDEWALK/ROADWAY BLOCK, AND METHOD OF CLEANING SIDEWALK/ROADWAY BLOCK