A CONCRETE SLEEPER BLOCK COMPRISING A RAIL SUPPORT INSERT PLATE OF ELASTOMERIC MATERIAL, A METHOD OF MANUFACTURE THE SLEEPER BLOCK AND A RAIL INSERT PLATE FOR CARRYING OUT THE METHOD - Patent 0056370

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EP 0 056 370 A1

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(43)	Date of publication:
	28.07.1982 Bulletin 1982/30

(21)	Application number: 81900931.0

(22)	Date of filing: 13.04.1981

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International Patent Classification (IPC):

E01B 9/ 68^{( . )}

E01B 29/ 24^{( . )}

(86)	International application number:
	PCT/SE1981/000114

(87)	International publication number:
	WO 1981/003038 (29.10.1981 Gazette 1981/25)

(84)	Designated Contracting States:
	DE FR GB SE

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Priority:

21.04.1980 SE 19800002982

(71)	Applicant: A-BETONG AB/SABEMA MATERIAL AB
	S-351 03 Växjö (SE)

(72)	Inventors:
	ROSVALL, Arne S-340 30 Vislanda (SE) WESTBERG, Stefan S-352 47 Växjö (SE)

(74)	Representative: Wennborg, Göte, et al
	Kransell & Wennborg AB Box 27834 S-115 93 Stockholm S-115 93 Stockholm (SE)

(54)	A CONCRETE SLEEPER BLOCK COMPRISING A RAIL SUPPORT INSERT PLATE OF ELASTOMERIC MATERIAL, A METHOD OF MANUFACTURE THE SLEEPER BLOCK AND A RAIL INSERT PLATE FOR CARRYING OUT THE METHOD