FR1232468A - Vis - Google Patents
VisInfo
- Publication number
- FR1232468A FR1232468A FR792835A FR792835A FR1232468A FR 1232468 A FR1232468 A FR 1232468A FR 792835 A FR792835 A FR 792835A FR 792835 A FR792835 A FR 792835A FR 1232468 A FR1232468 A FR 1232468A
- Authority
- FR
- France
- Prior art keywords
- 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
-
- 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
- F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
- F16B23/0076—Specially shaped nuts or heads of bolts or screws for rotations by a tool causing slipping of the tool in loosening rotation, i.e. disabling unscrewing unless another tool is used
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR792835A FR1232468A (fr) | 1959-04-22 | 1959-04-22 | Vis |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR792835A FR1232468A (fr) | 1959-04-22 | 1959-04-22 | Vis |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1232468A true FR1232468A (fr) | 1960-10-10 |
Family
ID=8713982
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR792835A Expired FR1232468A (fr) | 1959-04-22 | 1959-04-22 | Vis |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1232468A (fr) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3331274A (en) * | 1965-06-01 | 1967-07-18 | Walton Marvin | Flatheaded one-way screw |
US3411396A (en) * | 1966-02-21 | 1968-11-19 | Torrington Co | Screw head with inclined driving recess |
US3471878A (en) * | 1966-10-12 | 1969-10-14 | Torrington Co | Punch and die devices |
US4125051A (en) * | 1977-06-09 | 1978-11-14 | Illinois Tool Works Inc. | Tamperproof fastener |
DE2758446A1 (de) * | 1977-12-28 | 1979-07-05 | Teves Gmbh Alfred | Einrichtung zum festziehen von schrauben |
EP0013274A1 (fr) * | 1978-12-22 | 1980-07-09 | Fa Karcher Schraubenwerke GmbH | Organes de liaison mécaniques et outil de fixation approprié |
US4223585A (en) * | 1977-06-09 | 1980-09-23 | Illinois Tool Works Inc. | Double-ended stud with combined driving and locking means |
DE3403063A1 (de) * | 1984-01-30 | 1985-08-08 | DVG Deutsche Verpackungsmittel GmbH, 8505 Röthenbach | Schraube |
US5340256A (en) * | 1992-08-14 | 1994-08-23 | Kinnings Marlow Limited | Security nuts |
-
1959
- 1959-04-22 FR FR792835A patent/FR1232468A/fr not_active Expired
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3331274A (en) * | 1965-06-01 | 1967-07-18 | Walton Marvin | Flatheaded one-way screw |
US3411396A (en) * | 1966-02-21 | 1968-11-19 | Torrington Co | Screw head with inclined driving recess |
US3471878A (en) * | 1966-10-12 | 1969-10-14 | Torrington Co | Punch and die devices |
US4125051A (en) * | 1977-06-09 | 1978-11-14 | Illinois Tool Works Inc. | Tamperproof fastener |
US4223585A (en) * | 1977-06-09 | 1980-09-23 | Illinois Tool Works Inc. | Double-ended stud with combined driving and locking means |
DE2758446A1 (de) * | 1977-12-28 | 1979-07-05 | Teves Gmbh Alfred | Einrichtung zum festziehen von schrauben |
EP0013274A1 (fr) * | 1978-12-22 | 1980-07-09 | Fa Karcher Schraubenwerke GmbH | Organes de liaison mécaniques et outil de fixation approprié |
DE3403063A1 (de) * | 1984-01-30 | 1985-08-08 | DVG Deutsche Verpackungsmittel GmbH, 8505 Röthenbach | Schraube |
US5340256A (en) * | 1992-08-14 | 1994-08-23 | Kinnings Marlow Limited | Security nuts |
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