FR717425A - Perfectionnements aux lames finement affilées et à leur procédé de fabrication - Google Patents
Perfectionnements aux lames finement affilées et à leur procédé de fabricationInfo
- Publication number
- FR717425A FR717425A FR717425DA FR717425A FR 717425 A FR717425 A FR 717425A FR 717425D A FR717425D A FR 717425DA FR 717425 A FR717425 A FR 717425A
- Authority
- FR
- France
- Prior art keywords
- manufacturing process
- sharpened blades
- finely sharpened
- finely
- 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
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/04—Treatment of selected surface areas, e.g. using masks
-
- 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
-
- 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
- B26B21/58—Razor-blades characterised by the material
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/24—Nitriding
- C23C8/26—Nitriding of ferrous surfaces
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S76/00—Metal tools and implements, making
- Y10S76/08—Razor blade manufacturing
Landscapes
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Forests & Forestry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Scissors And Nippers (AREA)
- Emergency Lowering Means (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Knives (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US455366A US1827870A (en) | 1930-05-24 | 1930-05-24 | Fine edged blade |
Publications (1)
Publication Number | Publication Date |
---|---|
FR717425A true FR717425A (fr) | 1932-01-08 |
Family
ID=23808496
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR717425D Expired FR717425A (fr) | 1930-05-24 | 1931-05-21 | Perfectionnements aux lames finement affilées et à leur procédé de fabrication |
Country Status (3)
Country | Link |
---|---|
US (1) | US1827870A (fr) |
FR (1) | FR717425A (fr) |
GB (1) | GB378543A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2352636A1 (fr) * | 1976-05-25 | 1977-12-23 | Werkzeug Union Gmbh | Outil traite par galvanoplastie et procede pour sa fabrication |
FR2436282A1 (fr) * | 1978-09-18 | 1980-04-11 | Glaenzer Spicer Sa | Tulipe perfectionnee pour joint a tripode et procede pour sa fabrication |
-
1930
- 1930-05-24 US US455366A patent/US1827870A/en not_active Expired - Lifetime
-
1931
- 1931-05-18 GB GB14628/31A patent/GB378543A/en not_active Expired
- 1931-05-21 FR FR717425D patent/FR717425A/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2352636A1 (fr) * | 1976-05-25 | 1977-12-23 | Werkzeug Union Gmbh | Outil traite par galvanoplastie et procede pour sa fabrication |
FR2436282A1 (fr) * | 1978-09-18 | 1980-04-11 | Glaenzer Spicer Sa | Tulipe perfectionnee pour joint a tripode et procede pour sa fabrication |
Also Published As
Publication number | Publication date |
---|---|
US1827870A (en) | 1931-10-20 |
GB378543A (en) | 1932-08-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR717425A (fr) | Perfectionnements aux lames finement affilées et à leur procédé de fabrication | |
BE374001A (fr) | Boulettes nasales pour inhalations et leur procédé de fabrication | |
FR706305A (fr) | Semelles premières boutonnées et leur procédé de fabrication | |
FR702089A (fr) | Perfectionnements aux feuilles ou tôles métalliques et à leur procédé de fabrication | |
FR693226A (fr) | Brosses et balais et leur procédé de fabrication | |
FR683268A (fr) | Perfectionnements aux fenêtres et leur procédé de fabrication | |
FR608031A (fr) | Perfectionnements aux bas et à leur procédé de fabrication | |
FR695149A (fr) | Perfectionnements aux enveloppes à fenêtre et à leur mode de fabrication | |
BE382299A (fr) | Perfectionnements aux pochettes d'allumettes et à leur méthode de fabrication | |
FR677938A (fr) | Perfectionnements aux matières céramiques et leur procédé de fabrication | |
FR656374A (fr) | Perfectionnements aux enveloppes à fenêtre et leur procédé de fabrication | |
FR692006A (fr) | Perfectionnements aux raquettes de jeux et à leur mode de fabrication | |
FR703990A (fr) | Perfectionnements aux hélices métalliques et à leur fabrication | |
FR697753A (fr) | Résines de phénol-furfurol et procédé pour leur fabrication | |
FR760544A (fr) | Perfectionnements aux émulsions et à leur procédé de fabrication | |
FR711466A (fr) | Feuillard et son procédé de fabrication | |
FR722327A (fr) | Lampes électriques et leur procédé de fabrication | |
FR704945A (fr) | éléments radioactifs et leur procédé de fabrication | |
FR718493A (fr) | Perfectionnements aux amplificateurs à haute fréquence | |
FR698138A (fr) | Procédé de fabrication de hachoirs | |
FR688491A (fr) | Procédé de séparation du cobalt et du nickel | |
FR687758A (fr) | Radiateurs et leur procédé de construction | |
FR688307A (fr) | Procédé de traitement de goudron et corps similaires | |
FR727417A (fr) | Perfectionnements aux articles en caoutchouc et leur fabrication | |
FR716233A (fr) | Tubes électroniques et procédé pour leur fabrication |