GB1186429A - Improvements in or relating to Taps for Cutting an Internal Screw Thread - Google Patents
Improvements in or relating to Taps for Cutting an Internal Screw ThreadInfo
- Publication number
- GB1186429A GB1186429A GB2742867A GB2742867A GB1186429A GB 1186429 A GB1186429 A GB 1186429A GB 2742867 A GB2742867 A GB 2742867A GB 2742867 A GB2742867 A GB 2742867A GB 1186429 A GB1186429 A GB 1186429A
- Authority
- GB
- United Kingdom
- Prior art keywords
- taps
- relating
- cutting
- screw thread
- internal screw
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G5/00—Thread-cutting tools; Die-heads
- B23G5/02—Thread-cutting tools; Die-heads without means for adjustment
- B23G5/06—Taps
- B23G5/064—Taps with weakened shank portion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G2200/00—Details of threading tools
- B23G2200/28—Threading tools having a conical form
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supports For Plants (AREA)
Abstract
1,186,429. Taps. T. M. AITKEN. 21 May, 1968 [14 June, 1967], No. 27428/67. Heading B3N. A tap has a weakened portion 15 which fractures if the tap seizes, and flats 19 are provided for unscrewing the broken tap. Flats 19 may extend up to driving flats 14.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2742867A GB1186429A (en) | 1967-06-14 | 1967-06-14 | Improvements in or relating to Taps for Cutting an Internal Screw Thread |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2742867A GB1186429A (en) | 1967-06-14 | 1967-06-14 | Improvements in or relating to Taps for Cutting an Internal Screw Thread |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1186429A true GB1186429A (en) | 1970-04-02 |
Family
ID=10259433
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2742867A Expired GB1186429A (en) | 1967-06-14 | 1967-06-14 | Improvements in or relating to Taps for Cutting an Internal Screw Thread |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1186429A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2497713A1 (en) * | 1981-01-09 | 1982-07-16 | Stahl Sa Fils J | Universal wood bit fitting - has square and cylindrical sections on tail end for fitting hand braces or electric drill chucks |
US5152642A (en) * | 1991-06-12 | 1992-10-06 | Hextap, Inc. | Metal injection molded rotary metal cutting tool |
GB2359038A (en) * | 2000-02-02 | 2001-08-15 | Liu Lien Huang | Cutting tool |
-
1967
- 1967-06-14 GB GB2742867A patent/GB1186429A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2497713A1 (en) * | 1981-01-09 | 1982-07-16 | Stahl Sa Fils J | Universal wood bit fitting - has square and cylindrical sections on tail end for fitting hand braces or electric drill chucks |
US5152642A (en) * | 1991-06-12 | 1992-10-06 | Hextap, Inc. | Metal injection molded rotary metal cutting tool |
GB2359038A (en) * | 2000-02-02 | 2001-08-15 | Liu Lien Huang | Cutting tool |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |