GB901371A - Improvements in or relating to apparatus for machining valve seats - Google Patents

Improvements in or relating to apparatus for machining valve seats

Info

Publication number
GB901371A
GB901371A GB25502/61A GB2550261A GB901371A GB 901371 A GB901371 A GB 901371A GB 25502/61 A GB25502/61 A GB 25502/61A GB 2550261 A GB2550261 A GB 2550261A GB 901371 A GB901371 A GB 901371A
Authority
GB
United Kingdom
Prior art keywords
valve seats
relating
machining valve
valve
spindle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB25502/61A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of GB901371A publication Critical patent/GB901371A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/40—Expansion mandrels
    • B23B31/408—Work or tool supported by two conical surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C3/00—Milling particular work; Special milling operations; Machines therefor
    • B23C3/02—Milling surfaces of revolution
    • B23C3/05—Finishing valves or valve seats
    • B23C3/051—Reconditioning of valve seats
    • B23C3/053—Reconditioning of valve seats having means for guiding the tool carrying spindle
    • B23C3/055—Reconditioning of valve seats having means for guiding the tool carrying spindle for engines

Abstract

901,371. Turning valve seats. HUNGER, L. Oct. 8, 1958, No. 25502/61. Divided out of 901,370. Class 83 (3). A pilot device for guiding the valve-seat truing apparatus of Specification 901,370 or for other known apparatus, comprises a stationary spindle 13 having associated therewith an expandable sleeve 29 adapted to grip a valve stem guide. A tapered surface 20 on the spindle and an adjustable taper-ended member 26 is provided for expanding the sleeve.
GB25502/61A 1953-09-30 1958-10-08 Improvements in or relating to apparatus for machining valve seats Expired GB901371A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEH17824A DE1104295B (en) 1953-09-30 1953-09-30 Device for processing valve seats

Publications (1)

Publication Number Publication Date
GB901371A true GB901371A (en) 1962-07-18

Family

ID=10332187

Family Applications (2)

Application Number Title Priority Date Filing Date
GB32040/58A Expired GB901370A (en) 1953-09-30 1958-10-08 Improvements in or relating to portable apparatus for machining valve seats and other surfaces
GB25502/61A Expired GB901371A (en) 1953-09-30 1958-10-08 Improvements in or relating to apparatus for machining valve seats

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB32040/58A Expired GB901370A (en) 1953-09-30 1958-10-08 Improvements in or relating to portable apparatus for machining valve seats and other surfaces

Country Status (3)

Country Link
DE (1) DE1104295B (en)
FR (1) FR1246405A (en)
GB (2) GB901370A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2779112B2 (en) * 1993-04-23 1998-07-23 聖和精機株式会社 Cutting tools
KR100241147B1 (en) * 1994-03-07 2000-03-02 후지무라 마사지카 Cutting tool
JP5288994B2 (en) * 2008-10-29 2013-09-11 マキノジェイ株式会社 Cutting tools

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1748877A (en) * 1928-05-01 1930-02-25 Ansel T Green Combined guide and supporting bracket for valve-boring tools
US2217772A (en) * 1938-11-22 1940-10-15 Clarence T Rottler Pilot stem
DE867339C (en) * 1942-04-21 1953-02-16 Daimler Benz Ag Boring device for conical surfaces, in particular valve ring seat surfaces u. like
DE905808C (en) * 1944-01-04 1954-03-08 Wmh Werkzeug Und Maschinenfabr Steel holder for fine turning of valve seat surfaces
CH260651A (en) * 1945-12-12 1949-03-31 Rossmanith Wolfgang Ing Dr Machine for the production of center bores.
US2480307A (en) * 1946-12-26 1949-08-30 Santro Frank Cutting tool
DE825783C (en) * 1949-10-05 1951-12-20 Honsberg Geb Device for finishing valve seats on engine blocks, cylinder heads, pump housings, etc.

Also Published As

Publication number Publication date
DE1104295B (en) 1961-04-06
FR1246405A (en) 1960-11-18
GB901370A (en) 1962-07-18

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