GB398642A - Improvements in or relating to safety razor blades and razors - Google Patents
Improvements in or relating to safety razor blades and razorsInfo
- Publication number
- GB398642A GB398642A GB2557832A GB2557832A GB398642A GB 398642 A GB398642 A GB 398642A GB 2557832 A GB2557832 A GB 2557832A GB 2557832 A GB2557832 A GB 2557832A GB 398642 A GB398642 A GB 398642A
- Authority
- GB
- United Kingdom
- Prior art keywords
- numbers
- razors
- relating
- edge
- blades
- 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
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
- B26B21/08—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor involving changeable blades
- B26B21/14—Safety razors with one or more blades arranged transversely to the handle
- B26B21/20—Safety razors with one or more blades arranged transversely to the handle involving blades with more than two cutting edges; involving disc blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
- B26B21/54—Razor-blades
- B26B21/56—Razor-blades characterised by the shape
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Knives (AREA)
- Dry Shavers And Clippers (AREA)
Abstract
398,642. Safety-razors. FORD, A. F., 45, Hazratgunj, Lucknow, India. Sept. 14, 1932, No. 25578. [Class 30.] Blades are stamped with numbers to indicate the days of the month on which the corresponding edge should be used, and the guard-plate has enlarged gaps between the teeth to enable numbers to be seen. The numbers are arranged to ensure the maximum interval between successive uses of the same edge. Preferably polygonal blades are used. Fig. 1 shows the arrangement of numbers on a triangular blade, and Fig. 8 shows gaps in the edge of a hexagonal guard plate through which date numbers are visible. The corners shown in Fig. 1 have slots d terminating in circular enlargements c.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2557832A GB398642A (en) | 1932-09-14 | 1932-09-14 | Improvements in or relating to safety razor blades and razors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2557832A GB398642A (en) | 1932-09-14 | 1932-09-14 | Improvements in or relating to safety razor blades and razors |
Publications (1)
Publication Number | Publication Date |
---|---|
GB398642A true GB398642A (en) | 1933-09-21 |
Family
ID=10229940
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2557832A Expired GB398642A (en) | 1932-09-14 | 1932-09-14 | Improvements in or relating to safety razor blades and razors |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB398642A (en) |
-
1932
- 1932-09-14 GB GB2557832A patent/GB398642A/en not_active Expired
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