(19)
(11) EP 0 057 223 A1

(12)

(43) Date of publication:
11.08.1982 Bulletin 1982/32

(21) Application number: 81902281.0

(22) Date of filing: 11.08.1981
(51) International Patent Classification (IPC): 
F16B 5/ 02( . )
F16B 37/ 12( . )
F16B 25/ 00( . )
(86) International application number:
PCT/GB1981/000160
(87) International publication number:
WO 1982/000505 (18.02.1982 Gazette 1982/06)
(84) Designated Contracting States:
AT DE FR GB NL SE

(30) Priority: 11.08.1980 GB 19800026046

(71) Applicant: STEENGRACHT VAN MOYLAND, Jan
2243 GD Wassenaar (NL)

(72) Inventor:
  • STEENGRACHT VAN MOYLAND, Jan
    2243 GD Wassenaar (NL)

(74) Representative: French, Edward Llewelyn, et al 
HYDE, HEIDE & O'DONNELL 146 Buckingham Palace Road
London SW1W 9TR
London SW1W 9TR (GB)

   


(54) TUBE SCREWS AND METHODS OF PENETRATING MATERIALS USING TUBE SCREWS