EP0820530A1 - Schraubendreher, schraubendrehereinsatz oder dergleichen - Google Patents
Schraubendreher, schraubendrehereinsatz oder dergleichenInfo
- Publication number
- EP0820530A1 EP0820530A1 EP96909106A EP96909106A EP0820530A1 EP 0820530 A1 EP0820530 A1 EP 0820530A1 EP 96909106 A EP96909106 A EP 96909106A EP 96909106 A EP96909106 A EP 96909106A EP 0820530 A1 EP0820530 A1 EP 0820530A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hardness
- screwdriver
- core
- layer
- surface layer
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/001—Heat treatment of ferrous alloys containing Ni
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B15/00—Screwdrivers
- B25B15/001—Screwdrivers characterised by material or shape of the tool bit
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
-
- 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
- C23C8/36—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 using ionised gases, e.g. ionitriding
- C23C8/38—Treatment of ferrous surfaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2221/00—Treating localised areas of an article
- C21D2221/10—Differential treatment of inner with respect to outer regions, e.g. core and periphery, respectively
-
- 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
- Y10S81/00—Tools
- Y10S81/90—Wrench or screwdriver constructed from specific material
Definitions
- the invention relates to a screwdriver, screwdriver
- 00010 tools have a working end, which cross-feed
- 00011 mig can be designed when the tool to attack
- 00019 is the coating of the working end of the tool
- 00020 with a hard layer for example with titanium nitrite.
- 00035 would be exercised if a hard job ended 00036 only a selective load on individual attack surfaces
- 00059 hard material coating of a soft tool
- the object of the invention is therefore to
- 00079 has hardness than the core area. Thereby falls
- 00084 is also a crack formation after a
- the intermediate layer has
- 00093 has a thickness of 0.05 to 0.2 mm and has one
- the core has a hardness of
- a martensite hardenable material is said to be used
- 00110 is done by forming or by machining
- 00117 can be combined with nitriding in plasma.
- the finished tool has a hard outer wall
- the tough core can form.
- the nitriding can be in the gas stream at 430
- 00154 Fig. 2 shows a hardness curve at point P in the tool
- Fig. 1 The bit shown in Fig. 1 consists of a
- 00160 plasma has a core hardness of 54 - 58 Rockwell at high
- 00161 has toughness and a surface hardness of 67 -
- the bit has a working end 1 with
- 00165 is the typical hardness profile of the
- 00169 has a core hardness in a range from 54 to 58
- the hardness is between 67 and 68 Rockwell.
- 00182 can also be smaller, namely 0.05 m or
- the hardness gradient is, for example, 1500 to 3000
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Physical Vapour Deposition (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19513366A DE19513366A1 (de) | 1995-04-08 | 1995-04-08 | Schraubendreher, Schraubendrehereinsatz oder dergleichen |
DE19513366 | 1995-04-08 | ||
PCT/EP1996/001226 WO1996032508A1 (de) | 1995-04-08 | 1996-03-21 | Schraubendreher, schraubendrehereinsatz oder dergleichen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0820530A1 true EP0820530A1 (de) | 1998-01-28 |
EP0820530B1 EP0820530B1 (de) | 2001-05-16 |
Family
ID=7759247
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96909106A Expired - Lifetime EP0820530B1 (de) | 1995-04-08 | 1996-03-21 | Schraubendreher oder Schraubendrehereinsatz |
Country Status (5)
Country | Link |
---|---|
US (1) | US5953969A (de) |
EP (1) | EP0820530B1 (de) |
AU (1) | AU5272796A (de) |
DE (2) | DE19513366A1 (de) |
WO (1) | WO1996032508A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8955418B2 (en) | 2013-03-08 | 2015-02-17 | Black & Decker Inc. | Threaded fastener driving tool |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19857156B4 (de) * | 1998-12-11 | 2005-03-24 | Aktiengesellschaft der Dillinger Hüttenwerke | Verwendung eines Panzerungsbleches aus martensitaushärtendem Stahl |
USD431768S (en) * | 1999-11-29 | 2000-10-10 | Frederick G. Feik | Phillips screw head for stripped screws |
DE20022294U1 (de) * | 1999-12-15 | 2001-07-26 | Werner Hermann Wera Werke | Handwerkzeug, insbesondere Schraubwerkzeug |
DE10011445A1 (de) * | 2000-03-10 | 2001-09-20 | Robert Schroeder Gmbh & Co Kg | Schraubwerkzeugeinsatz |
EP1176224B1 (de) * | 2000-07-24 | 2014-04-16 | Dowa Thermotech Co., Ltd. | Nitrierter martensitaushärtender Stahl und Verfahren zu dessen Herstellung |
US20050241159A1 (en) * | 2002-08-02 | 2005-11-03 | Koninkilijke Phillips Electronics N.V. | Wear-resistant stainless cutting element of an electric shaver, electric shaver, and method of producing such a cutting element |
DE102007016000A1 (de) * | 2006-06-23 | 2008-01-03 | Wera Werk Hermann Werner Gmbh & Co. Kg | Edelstahlschraubwerkzeug und Verfahren zu dessen Herstellung |
US20080072717A1 (en) * | 2006-09-25 | 2008-03-27 | Stumpf William R | Drywall screwdriver bit |
US20080196562A1 (en) * | 2007-02-16 | 2008-08-21 | Asif Elliston | Nut driver and method of making the same |
DE102007041574A1 (de) * | 2007-09-01 | 2009-03-05 | Wera-Werk Hermann Werner Gmbh & Co. Kg | Schraubendreherbit mit beidendseitigem Schraubeingriffsprofil |
USD623036S1 (en) | 2008-11-07 | 2010-09-07 | Milwaukee Electric Tool Corporation | Insert bit |
WO2010054169A1 (en) | 2008-11-07 | 2010-05-14 | Milwaukee Electric Tool Corporation | Tool bit |
USD711719S1 (en) | 2009-11-06 | 2014-08-26 | Milwaukee Electric Tool Corporation | Tool bit |
US9132534B2 (en) * | 2010-05-21 | 2015-09-15 | Rote Mate Industry Co., Ltd | Screwdriver bit |
US8769833B2 (en) | 2010-09-10 | 2014-07-08 | Stanley Black & Decker, Inc. | Utility knife blade |
TW201309431A (zh) * | 2011-08-16 | 2013-03-01 | Meeng Gang Entpr Co Ltd | 起子頭製備方法 |
DE102013112348B4 (de) * | 2013-11-11 | 2024-05-08 | Endress+Hauser SE+Co. KG | Lotauftragsstempel und Verfahren zur Reparatur einer Leiterplatte mit zumindest einem defekten Bauteil |
US10022845B2 (en) | 2014-01-16 | 2018-07-17 | Milwaukee Electric Tool Corporation | Tool bit |
USD806495S1 (en) * | 2015-04-21 | 2018-01-02 | Tuo-Jen Chen | Tool bit |
USD853212S1 (en) * | 2016-11-22 | 2019-07-09 | Worthington Industries, Inc. | Shower pipe removal tool |
US11478907B2 (en) | 2016-11-30 | 2022-10-25 | Hangzhou Great Star Tools Co., Ltd. | Screwdriver head and method for manufacturing the same |
USD862193S1 (en) * | 2017-02-10 | 2019-10-08 | Wiha Werkzeuge Gmbh | Screwdriver bit |
CA177520S (en) * | 2017-04-30 | 2018-08-21 | Invest Design Stockholm Ab | Tool bit |
WO2019109098A1 (en) | 2017-12-01 | 2019-06-06 | Milwaukee Electric Tool Corporation | Wear resistant tool bit |
USD921468S1 (en) | 2018-08-10 | 2021-06-08 | Milwaukee Electric Tool Corporation | Driver bit |
US11541516B2 (en) | 2019-09-25 | 2023-01-03 | Snap-On Incorporated | Fastener retention and anti-camout tool bit |
WO2021163251A1 (en) | 2020-02-13 | 2021-08-19 | Milwaukee Electric Tool Corporation | Tool bit having a bimetal tip |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2627192A (en) * | 1950-09-25 | 1953-02-03 | Res Eng & Mfg | Process of making driver bits |
US3211199A (en) * | 1963-10-09 | 1965-10-12 | D Edgar Reed | Bit end of tool for driving screw fasteners |
DE3839788C1 (en) * | 1988-10-20 | 1989-11-09 | Felo Holland-Letz Gmbh & Co Kg, 3577 Neustadt, De | Screwdriver blade or screwdriver insert |
FR2682685B1 (fr) * | 1991-10-17 | 1994-10-07 | Creusot Loire | Procede de fabrication d'une piece massive en acier telle qu'une tole epaisse a fort gradient de durete suivant son epaisseur et tole epaisse a fort gradient de durete. |
DE4243608C2 (de) * | 1992-12-22 | 2000-10-19 | Werner Hermann Wera Werke | Werkzeug |
DE9300930U1 (de) * | 1993-01-23 | 1993-04-22 | Fa. Robert Schroeder, 5600 Wuppertal, De |
-
1995
- 1995-04-08 DE DE19513366A patent/DE19513366A1/de not_active Withdrawn
-
1996
- 1996-03-21 AU AU52727/96A patent/AU5272796A/en not_active Abandoned
- 1996-03-21 EP EP96909106A patent/EP0820530B1/de not_active Expired - Lifetime
- 1996-03-21 DE DE59606915T patent/DE59606915D1/de not_active Expired - Fee Related
- 1996-03-21 WO PCT/EP1996/001226 patent/WO1996032508A1/de active IP Right Grant
- 1996-03-21 US US08/913,834 patent/US5953969A/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO9632508A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8955418B2 (en) | 2013-03-08 | 2015-02-17 | Black & Decker Inc. | Threaded fastener driving tool |
Also Published As
Publication number | Publication date |
---|---|
AU5272796A (en) | 1996-10-30 |
EP0820530B1 (de) | 2001-05-16 |
WO1996032508A1 (de) | 1996-10-17 |
DE59606915D1 (de) | 2001-06-21 |
US5953969A (en) | 1999-09-21 |
DE19513366A1 (de) | 1996-10-10 |
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