Hydraulic tensioning nut

• US 2,571,265 A
• Filed: 06/07/1946
• Issued: 10/16/1951
• Est. Priority Date: 06/13/1945
• Status: Expired due to Term

• Current Assignee: Edvard Leufven Axel Gustav
• Original Assignee: Edvard Leufven Axel Gustav
• Inventors: EDVARD LEUFVEN AXEL GUSTAV
• Application Number:
  US02/675,134
• Time in Patent Office: 1,957 Days
• US Class Current: 411/434
• CPC Class Codes: B25B 29/02 Bolt tensioners
• CPC Class Codes: F01D 25/243 Flange connections; Bolting arrangements F01D25/265 takes precedence
• CPC Class Codes: F16B 31/043 Prestressed connections tensioned by means of liquid, grease, rubber, explosive charge, or the like hydraulic bolt tensioners B25B29/02
• CPC Class Codes: Y10S 411/917 Nut having tension feature
• CPC Class Codes: Y10T 29/49805 Shaping by direct application of fluent pressure
• CPC Class Codes: Y10T 29/49863 with prestressing of part
• CPC Class Codes: Y10T 29/49874 Prestressing rod, filament or strand
• CPC Class Codes: Y10T 29/53678 Compressing parts together face to face
• CPC Class Codes: Y10T 29/53687 by rotation of work part
• CPC Class Codes: Y10T 403/22 with fluid pressure responsive component

Claims