FR2385986A1 - Lighter flint wheel - has three sets of peripheral grooves of different pitch direction and depth - Google Patents
Lighter flint wheel - has three sets of peripheral grooves of different pitch direction and depthInfo
- Publication number
- FR2385986A1 FR2385986A1 FR7709773A FR7709773A FR2385986A1 FR 2385986 A1 FR2385986 A1 FR 2385986A1 FR 7709773 A FR7709773 A FR 7709773A FR 7709773 A FR7709773 A FR 7709773A FR 2385986 A1 FR2385986 A1 FR 2385986A1
- Authority
- FR
- France
- Prior art keywords
- wheel
- grooves
- sets
- depth
- pitch direction
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q2/00—Lighters containing fuel, e.g. for cigarettes
- F23Q2/34—Component parts or accessories
- F23Q2/46—Friction wheels; Arrangement of friction wheels
Abstract
The flint wheel has three sets of grooves on its outer cylinder. Each set is made up of parallel lines, set equidistantly around the perimeter of the wheel. The first set (2) makes an angle (beta) with the axis of the wheel and these grooves are the deepest cut into the wheel. The second set of grooves is parallel to the axis of the wheel. The final set (4) makes an angle (gamma) with the axis of the wheel and is the shallowest. The profile of the grooves is sawtoothed. The pitch of the deep grooves being wider than the pitch of the shallow grooves.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7709773A FR2385986A1 (en) | 1977-03-31 | 1977-03-31 | Lighter flint wheel - has three sets of peripheral grooves of different pitch direction and depth |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7709773A FR2385986A1 (en) | 1977-03-31 | 1977-03-31 | Lighter flint wheel - has three sets of peripheral grooves of different pitch direction and depth |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2385986A1 true FR2385986A1 (en) | 1978-10-27 |
Family
ID=9188845
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7709773A Withdrawn FR2385986A1 (en) | 1977-03-31 | 1977-03-31 | Lighter flint wheel - has three sets of peripheral grooves of different pitch direction and depth |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2385986A1 (en) |
-
1977
- 1977-03-31 FR FR7709773A patent/FR2385986A1/en not_active Withdrawn
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |