BOOM OPERATED DEMOLITION APPARATUS AND METHOD OF BREAKING COMPOSITE MATERIAL - Patent 0258275

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EP 0 258 275 A1

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(43)	Date of publication:
	09.03.1988 Bulletin 1988/10

(21)	Application number: 87900576.0

(22)	Date of filing: 24.12.1986

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International Patent Classification (IPC):

B25D 11/ 06^{( . )}
B28D 1/ 26^{( . )}
E02F 3/ 96^{( . )}

B25D 17/ 28^{( . )}
E01C 23/ 12^{( . )}
E04G 23/ 08^{( . )}

(86)	International application number:
	PCT/US1986/002760

(87)	International publication number:
	WO 1987/005064 (27.08.1987 Gazette 1987/19)

(84)	Designated Contracting States:
	BE DE FR GB IT SE

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Priority:

20.02.1986 US 19860831481

(71)	Applicant: CATERPILLAR INC.
	Peoria Illinois 61629-6490 (US)

(72)	Inventor:
	KISTNER, David Dayton, OH 45424 (US)

(74)	Representative: Jackson, Peter Arthur, et al
	GILL JENNINGS & EVERY Broadgate House 7 Eldon Street London EC2M 7LH London EC2M 7LH (GB)

(54)	BOOM OPERATED DEMOLITION APPARATUS AND METHOD OF BREAKING COMPOSITE MATERIAL