Improvements in gas cylinders - Patent 0863361

(19)

(11)

EP 0 863 361 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	16.12.1998 Bulletin 1998/51

(43)	Date of publication A2:
	09.09.1998 Bulletin 1998/37

(21)	Application number: 98300168.6

(22)	Date of filing: 12.01.1998

(51)	International Patent Classification (IPC)⁶: F17C 13/08

(84)	Designated Contracting States:
	AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
	Designated Extension States:
	AL LT LV MK RO SI

(30)

Priority:

22.02.1997 GB 9703707

(71)	Applicant: The BOC Group plc
	Windlesham Surrey GU20 6HJ (GB)

(72)	Inventor:
	Irani, Rohintan Sheriar Chiswick, London, W4 4NT (GB)

(74)	Representative: Gough, Peter
	The BOC Group plc Chertsey Road Windlesham, Surrey GU20 6HJ Windlesham, Surrey GU20 6HJ (GB)

(54)	Improvements in gas cylinders

(57) A gas cylinder 2 comprises a main hollow body portion and a neck portion 6 formed with an external thread 4 for receiving a plastics collar 8.