CH672171A5 - - Google Patents
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- Publication number
- CH672171A5 CH672171A5 CH17/87A CH1787A CH672171A5 CH 672171 A5 CH672171 A5 CH 672171A5 CH 17/87 A CH17/87 A CH 17/87A CH 1787 A CH1787 A CH 1787A CH 672171 A5 CH672171 A5 CH 672171A5
- Authority
- CH
- Switzerland
- Prior art keywords
- screw
- cutting
- cutting edge
- groove
- axis
- Prior art date
Links
- 238000005520 cutting process Methods 0.000 claims description 32
- 238000005553 drilling Methods 0.000 claims description 16
- 238000010079 rubber tapping Methods 0.000 claims description 11
- 238000005242 forging Methods 0.000 claims description 7
- 239000011159 matrix material Substances 0.000 claims description 6
- 238000010273 cold forging Methods 0.000 claims description 5
- 230000001154 acute effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007567 mass-production technique Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
- F16B25/10—Screws performing an additional function to thread-forming, e.g. drill screws or self-piercing screws
- F16B25/103—Screws performing an additional function to thread-forming, e.g. drill screws or self-piercing screws by means of a drilling screw-point, i.e. with a cutting and material removing action
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/56—Making machine elements screw-threaded elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/02—Twist drills
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
- F16B25/001—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by the material of the body into which the screw is screwed
- F16B25/0021—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by the material of the body into which the screw is screwed the material being metal, e.g. sheet-metal or aluminium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
- F16B25/0036—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw
- F16B25/0084—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by geometric details of the tip
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/18—Configuration of the drill point
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/48—Chip breakers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Forging (AREA)
- Drilling Tools (AREA)
- Connection Of Plates (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US81730386A | 1986-01-09 | 1986-01-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH672171A5 true CH672171A5 (es) | 1989-10-31 |
Family
ID=25222773
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH17/87A CH672171A5 (es) | 1986-01-09 | 1987-01-06 |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS62242111A (es) |
AU (1) | AU586060B2 (es) |
CA (1) | CA1285798C (es) |
CH (1) | CH672171A5 (es) |
DE (1) | DE3700499C2 (es) |
FR (1) | FR2592693B1 (es) |
GB (1) | GB2185915B (es) |
IT (1) | IT1215326B (es) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4802807A (en) * | 1988-04-14 | 1989-02-07 | Illinois Tool Works Inc. | Threaded fastener |
EP1764519A1 (en) * | 2005-09-20 | 2007-03-21 | Taiwan Shan Yin International Co., Ltd. | Screw with multiple cutting ridges in end section |
DE102007052152A1 (de) | 2007-10-31 | 2009-05-07 | Robert Bosch Gmbh | Navigationssystem |
TW201350690A (zh) * | 2012-06-12 | 2013-12-16 | Yuan-Qi Li | 螺絲鑽尾結構 |
JP6282160B2 (ja) * | 2014-04-07 | 2018-02-21 | 北村精工株式会社 | ドリルねじ |
TW201716697A (zh) * | 2015-11-11 | 2017-05-16 | xiao-wen Huang | 自攻螺絲鑽尾結構 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD72426A (es) * | ||||
GB940206A (en) * | 1960-06-14 | 1963-10-23 | Brooke Tool Mfg Company Ltd | Improvements relating to drills |
US3199381A (en) * | 1963-03-04 | 1965-08-10 | Bruce A Mackey | Twist drill |
US3463045A (en) * | 1966-05-10 | 1969-08-26 | Illinois Tool Works | Drilling screw |
FR1536635A (fr) * | 1966-09-13 | 1968-08-16 | Parker Kalon Corp | Dispositif de fixation fileté rotatif ou vis |
US3395603A (en) * | 1966-09-13 | 1968-08-06 | Parker Kaion Corp | Rotary threaded fasteners |
US3550255A (en) * | 1968-07-05 | 1970-12-29 | Parker Kalon Corp | Method of making rotary threaded fasteners |
AT350334B (de) * | 1977-01-19 | 1979-05-25 | Sfs Stadler Ag | Selbstbohrende schraube |
JPS61567Y2 (es) * | 1978-01-18 | 1986-01-10 | ||
US4295768A (en) * | 1979-09-21 | 1981-10-20 | Usm Corporation | Chip breaker screws |
GB2100628B (en) * | 1981-06-25 | 1985-04-11 | Shinjo Seisakusho Yk | A drill screw |
NZ202991A (en) * | 1982-02-05 | 1985-11-08 | Usm Corp | Rotary threaded drilling and thread-forming screw with radiused drag surfaces in drilling portion |
JPS597046A (ja) * | 1982-07-03 | 1984-01-14 | 日東紡績株式会社 | レ−ザ光線によりシヤ−プな切断が可能な合成樹脂積層板 |
JPS6024981U (ja) * | 1983-07-27 | 1985-02-20 | 小島 隆男 | 吸排気弁 |
-
1987
- 1987-01-06 CH CH17/87A patent/CH672171A5/fr not_active IP Right Cessation
- 1987-01-06 GB GB8700157A patent/GB2185915B/en not_active Expired
- 1987-01-06 AU AU67160/87A patent/AU586060B2/en not_active Ceased
- 1987-01-08 FR FR878700120A patent/FR2592693B1/fr not_active Expired - Fee Related
- 1987-01-08 IT IT8719016A patent/IT1215326B/it active
- 1987-01-08 JP JP62002576A patent/JPS62242111A/ja active Pending
- 1987-01-09 CA CA000527069A patent/CA1285798C/en not_active Expired - Fee Related
- 1987-01-09 DE DE3700499A patent/DE3700499C2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA1285798C (en) | 1991-07-09 |
GB8700157D0 (en) | 1987-02-11 |
AU586060B2 (en) | 1989-06-29 |
JPS62242111A (ja) | 1987-10-22 |
GB2185915A (en) | 1987-08-05 |
AU6716087A (en) | 1987-07-16 |
DE3700499C2 (de) | 1996-07-11 |
FR2592693A1 (fr) | 1987-07-10 |
IT1215326B (it) | 1990-02-08 |
GB2185915B (en) | 1989-11-22 |
IT8719016A0 (it) | 1987-01-08 |
FR2592693B1 (fr) | 1991-05-31 |
DE3700499A1 (de) | 1987-07-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NV | New agent |
Ref country code: CH Representative=s name: DR. JOACHIM LAUER, PATENTANWALT |
|
PFA | Name/firm changed |
Owner name: NEWFREY LLC Free format text: EMHART LLC#DRUMMOND PLAZA OFFICE PARK, 1423, KIRKWOOD HIGHWAY#NEWARK, DELAWARE 19711 (US) -TRANSFERTO- NEWFREY LLC#DRUMMOND PLAZA OFFICE PARK, 1423, KIRKWOOD HIGHWAY#NEWARK, DELAWARE 19711 (US) Owner name: EMHART LLC Free format text: EMHART INDUSTRIES, INC.#426 COLT HIGHWAY#FARMINGTON/CT (US) -TRANSFER TO- EMHART LLC#DRUMMOND PLAZAOFFICE PARK, 1423, KIRKWOOD HIGHWAY#NEWARK, DELAWARE 19711 (US) |
|
PL | Patent ceased |