IT8050331A0 - Perfezionamento nelle brocce a dentatura elicoidale - Google Patents
Perfezionamento nelle brocce a dentatura elicoidaleInfo
- Publication number
- IT8050331A0 IT8050331A0 IT8050331A IT5033180A IT8050331A0 IT 8050331 A0 IT8050331 A0 IT 8050331A0 IT 8050331 A IT8050331 A IT 8050331A IT 5033180 A IT5033180 A IT 5033180A IT 8050331 A0 IT8050331 A0 IT 8050331A0
- Authority
- IT
- Italy
- Prior art keywords
- broaches
- improvement
- helical toothing
- toothing
- helical
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F21/00—Tools specially adapted for use in machines for manufacturing gear teeth
- B23F21/26—Broaching tools
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T407/00—Cutters, for shaping
- Y10T407/16—Rectilinear broach
- Y10T407/1671—Plural tooth groups
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling, Broaching, Filing, Reaming, And Others (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/102,119 US4274767A (en) | 1979-12-10 | 1979-12-10 | Helical toothed broach |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT8050331A0 true IT8050331A0 (it) | 1980-12-09 |
| IT1146973B IT1146973B (it) | 1986-11-19 |
Family
ID=22288214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT50331/80A IT1146973B (it) | 1979-12-10 | 1980-12-09 | Perfezionamento nelle brocce a dentatura elicoidale |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4274767A (it) |
| JP (1) | JPS56146616A (it) |
| CA (1) | CA1142006A (it) |
| DE (1) | DE3046333A1 (it) |
| FR (1) | FR2471247B1 (it) |
| GB (1) | GB2064391B (it) |
| IT (1) | IT1146973B (it) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6357025U (it) * | 1986-10-01 | 1988-04-16 | ||
| US5282702A (en) * | 1992-04-03 | 1994-02-01 | New Venture Gear, Inc. | Wafer broaching tool |
| US6527484B2 (en) * | 2000-07-21 | 2003-03-04 | Nachi-Fujikoshi Corp. | Helical tooth broach |
| DE50205927D1 (de) * | 2002-12-03 | 2006-04-27 | Forst Technologie Gmbh & Co Kg | Innen-Räumwerkzeug |
| US7326012B2 (en) | 2006-06-30 | 2008-02-05 | Gm Global Technology Operations, Inc. | Broaching apparatus and method for producing a gear member with tapered gear teeth |
| JP2009136931A (ja) * | 2007-12-04 | 2009-06-25 | Mitsubishi Heavy Ind Ltd | ヘリカルブローチ |
| JP2018140485A (ja) * | 2017-02-28 | 2018-09-13 | 株式会社不二越 | ヘリカルブローチおよびそれを用いた内歯車加工方法 |
| US12697670B2 (en) | 2023-06-05 | 2026-08-04 | David Halpin | Stepped rotary broaches and methods and systems employing same |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2683919A (en) * | 1951-12-17 | 1954-07-20 | Nat Broach & Mach | Broach |
| US2898670A (en) * | 1955-12-05 | 1959-08-11 | Nat Broach & Mach | Helical broach |
| US2986801A (en) * | 1958-12-15 | 1961-06-06 | Nat Broach & Mach | Spiral broach |
| US3276100A (en) * | 1961-04-10 | 1966-10-04 | Nat Broach & Mach | Broach |
| US3178800A (en) * | 1961-04-10 | 1965-04-20 | Nat Broach & Mach | Shell broach |
| US3231962A (en) * | 1964-12-28 | 1966-02-01 | Nat Broach & Mach | Concentricity broach |
| US3795958A (en) * | 1972-08-01 | 1974-03-12 | Lear Siegler Inc | Gear tooth broach |
-
1979
- 1979-12-10 US US06/102,119 patent/US4274767A/en not_active Expired - Lifetime
-
1980
- 1980-11-28 CA CA000365734A patent/CA1142006A/en not_active Expired
- 1980-12-05 GB GB8039110A patent/GB2064391B/en not_active Expired
- 1980-12-09 FR FR8026085A patent/FR2471247B1/fr not_active Expired
- 1980-12-09 DE DE19803046333 patent/DE3046333A1/de not_active Withdrawn
- 1980-12-09 IT IT50331/80A patent/IT1146973B/it active
- 1980-12-10 JP JP17336280A patent/JPS56146616A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US4274767A (en) | 1981-06-23 |
| CA1142006A (en) | 1983-03-01 |
| GB2064391B (en) | 1983-01-19 |
| JPS56146616A (en) | 1981-11-14 |
| GB2064391A (en) | 1981-06-17 |
| FR2471247B1 (fr) | 1987-01-09 |
| IT1146973B (it) | 1986-11-19 |
| FR2471247A1 (fr) | 1981-06-19 |
| DE3046333A1 (de) | 1981-08-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19951227 |