BE620370A - - Google Patents
Info
- Publication number
- BE620370A BE620370A BE620370DA BE620370A BE 620370 A BE620370 A BE 620370A BE 620370D A BE620370D A BE 620370DA BE 620370 A BE620370 A BE 620370A
- Authority
- BE
- Belgium
Links
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
- F16B25/001—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
- F16B25/0015—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 a soft organic material, e.g. wood or plastic
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Wood Science & Technology (AREA)
- Joining Of Corner Units Of Frames Or Wings (AREA)
- Connection Of Plates (AREA)
- Floor Finish (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA836685 | 1961-11-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE620370A true BE620370A (US20030032738A1-20030213-C00007.png) |
Family
ID=4141397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE620370D BE620370A (US20030032738A1-20030213-C00007.png) | 1961-11-23 |
Country Status (4)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH616211A5 (US20030032738A1-20030213-C00007.png) * | 1977-10-06 | 1980-03-14 | Terep Techn Res & Prod Eng Co | |
| US4235149A (en) * | 1978-08-17 | 1980-11-25 | Veldman Donald R | Self-thread creating fastener and method and apparatus for making the same |
| DE29513571U1 (de) * | 1995-08-24 | 1995-12-14 | Hsu, Kuo-Tai, Tainan | Schraube |
| GB2313167B (en) * | 1996-05-15 | 2000-05-10 | Chen Sen Yang | Screw for fibrous boards |
| DE19632838A1 (de) * | 1996-08-15 | 1998-02-19 | Adolf Wuerth Gmbh & Co Kg | Schraube mit einer selbstbohrenden Spitze |
| CN105782202A (zh) * | 2016-04-21 | 2016-07-20 | 海盐新盛达标准件有限公司 | 一种导屑易转的木螺钉 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE65519C (de) * | E. PARR in Isleworth, Grafsch. Middlesex, England | Holzschraube mit Bohrnuth | ||
| GB171334A (en) * | 1921-02-28 | 1921-11-17 | Robert Edward Hardy | Improved metal screw for use in woodwork |
-
0
- BE BE620370D patent/BE620370A/xx unknown
- NL NL280707D patent/NL280707A/xx unknown
-
1962
- 1962-02-27 GB GB760962A patent/GB925135A/en not_active Expired
- 1962-07-19 DE DER33170A patent/DE1198135B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB925135A (en) | 1963-05-01 |
| NL280707A (US20030032738A1-20030213-C00007.png) | |
| DE1198135B (de) | 1965-08-05 |
