Title:
METHOD OF DISPOSING WASTE MAGNETIC TAPES AND METHOD OF MANUFACTURING CONSTRUCTION MATERIAL BOARD, USING WASTE MAGNETIC TAPES
Document Type and Number:
WIPO Patent Application WO/1994/015767
Kind Code:
A1
Abstract:
A method of disposing waste magnetic tapes, characterized in that the waste magnetic tapes such as video tapes and cassette tapes are cut or crushed into pieces each having a length of 1 - 50 mm and heated at 100 - 200 �C to be shrunk into curled shapes, and a method of manufacturing a construction material board, characterized in that waste magnetic tapes such as video tapes and cassette tapes are cut or crushed into pieces each having suitable sizes, heated and after the addition of a binder thereto are molded under pressure.
Inventors:
KASAHARA KANESUKE (JP)
NAGAI SHUNSAI (JP)
TAKANISHI KOHEI (JP)
NAGAI SHUNSAI (JP)
TAKANISHI KOHEI (JP)
Application Number:
PCT/JP1993/000008
Publication Date:
July 21, 1994
Filing Date:
January 07, 1993
Export Citation:
Assignee:
FUJI KASEI KOGYO KK (JP)
KASAHARA KANESUKE (JP)
NAGAI SHUNSAI (JP)
TAKANISHI KOHEI (JP)
KASAHARA KANESUKE (JP)
NAGAI SHUNSAI (JP)
TAKANISHI KOHEI (JP)
International Classes:
B29B13/10; B29B9/02; B29B13/02; B29B17/00; B29B17/04; B29C43/02; C09B5/00; B29K103/00; B29K105/26; B29L31/10; (IPC1-7): B29B17/00
Foreign References:
| JPS62204906A | 1987-09-09 | |||
| JP54029422B | ||||
| JPS546080A | 1979-01-17 | |||
| JPS5340041A | 1978-04-12 | |||
| JPS488877A |
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