GB647421A - Improvements in and relating to boring bars - Google Patents

Improvements in and relating to boring bars

Info

Publication number
GB647421A
GB647421A GB4648/48A GB464848A GB647421A GB 647421 A GB647421 A GB 647421A GB 4648/48 A GB4648/48 A GB 4648/48A GB 464848 A GB464848 A GB 464848A GB 647421 A GB647421 A GB 647421A
Authority
GB
United Kingdom
Prior art keywords
per cent
boring bars
relating
cadmium
silver
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
GB4648/48A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co Ltd
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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB647421A publication Critical patent/GB647421A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
    • B23B29/03—Boring heads
    • B23B29/034—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings
    • B23B29/03403—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings radially adjustable before starting manufacturing
    • B23B29/03407—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings radially adjustable before starting manufacturing by means of screws and nuts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
    • B23B29/02—Boring bars

Abstract

An alloy solder for use in brazing nickel steel inserts in sintered hard metal carbide boring bars (see Group XXII), comprises about 50 per cent silver, 15.5 per cent copper, 16.5 per cent zinc, and 18 per cent cadmium.
GB4648/48A 1947-02-17 1948-02-17 Improvements in and relating to boring bars Expired GB647421A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US647421XA 1947-02-17 1947-02-17

Publications (1)

Publication Number Publication Date
GB647421A true GB647421A (en) 1950-12-13

Family

ID=22057991

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4648/48A Expired GB647421A (en) 1947-02-17 1948-02-17 Improvements in and relating to boring bars

Country Status (1)

Country Link
GB (1) GB647421A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0519480A1 (en) * 1991-06-19 1992-12-23 Mitsubishi Materials Corporation Throw-away cutting tool
US5655857A (en) * 1995-05-08 1997-08-12 Catenacci; Thomas C. Boring bar tool with cutting insert
CN102476197A (en) * 2010-11-26 2012-05-30 瓦房店轴承砂轮制造有限公司 Special tool for double lug holes of constant-speed center fork

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0519480A1 (en) * 1991-06-19 1992-12-23 Mitsubishi Materials Corporation Throw-away cutting tool
US5655857A (en) * 1995-05-08 1997-08-12 Catenacci; Thomas C. Boring bar tool with cutting insert
CN102476197A (en) * 2010-11-26 2012-05-30 瓦房店轴承砂轮制造有限公司 Special tool for double lug holes of constant-speed center fork

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