JPS5431429A - Noncombustible sheet material using needle crystalline alphaatype calcium sulfate hemihydrate and method of making same - Google Patents

Noncombustible sheet material using needle crystalline alphaatype calcium sulfate hemihydrate and method of making same

Info

Publication number
JPS5431429A
JPS5431429A JP9711977A JP9711977A JPS5431429A JP S5431429 A JPS5431429 A JP S5431429A JP 9711977 A JP9711977 A JP 9711977A JP 9711977 A JP9711977 A JP 9711977A JP S5431429 A JPS5431429 A JP S5431429A
Authority
JP
Japan
Prior art keywords
alphaatype
sheet material
calcium sulfate
making same
sulfate hemihydrate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP9711977A
Other languages
Japanese (ja)
Other versions
JPS5546987B2 (en
Inventor
Nobumasa Ishida
Yasuo Yamada
Hideki Jinno
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Hardboard Co Ltd
Original Assignee
Nippon Hardboard Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Hardboard Co Ltd filed Critical Nippon Hardboard Co Ltd
Priority to JP9711977A priority Critical patent/JPS5431429A/en
Priority to US05/909,938 priority patent/US4239716A/en
Priority to DE19782823550 priority patent/DE2823550A1/en
Publication of JPS5431429A publication Critical patent/JPS5431429A/en
Publication of JPS5546987B2 publication Critical patent/JPS5546987B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Curing Cements, Concrete, And Artificial Stone (AREA)
JP9711977A 1977-05-30 1977-08-13 Noncombustible sheet material using needle crystalline alphaatype calcium sulfate hemihydrate and method of making same Granted JPS5431429A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP9711977A JPS5431429A (en) 1977-08-13 1977-08-13 Noncombustible sheet material using needle crystalline alphaatype calcium sulfate hemihydrate and method of making same
US05/909,938 US4239716A (en) 1977-05-30 1978-05-26 Gypsum moldings as building materials and methods manufacturing the said gypsum moldings
DE19782823550 DE2823550A1 (en) 1977-05-30 1978-05-30 PLASTER MOLDED PARTS AND METHOD OF MANUFACTURING THEREOF

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9711977A JPS5431429A (en) 1977-08-13 1977-08-13 Noncombustible sheet material using needle crystalline alphaatype calcium sulfate hemihydrate and method of making same

Publications (2)

Publication Number Publication Date
JPS5431429A true JPS5431429A (en) 1979-03-08
JPS5546987B2 JPS5546987B2 (en) 1980-11-27

Family

ID=14183672

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9711977A Granted JPS5431429A (en) 1977-05-30 1977-08-13 Noncombustible sheet material using needle crystalline alphaatype calcium sulfate hemihydrate and method of making same

Country Status (1)

Country Link
JP (1) JPS5431429A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57114224U (en) * 1980-12-26 1982-07-15

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5044193A (en) * 1973-08-24 1975-04-21
JPS5077425A (en) * 1973-11-13 1975-06-24

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5044193A (en) * 1973-08-24 1975-04-21
JPS5077425A (en) * 1973-11-13 1975-06-24

Also Published As

Publication number Publication date
JPS5546987B2 (en) 1980-11-27

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