JPH0323366B2 - - Google Patents
Info
- Publication number
- JPH0323366B2 JPH0323366B2 JP54015387A JP1538779A JPH0323366B2 JP H0323366 B2 JPH0323366 B2 JP H0323366B2 JP 54015387 A JP54015387 A JP 54015387A JP 1538779 A JP1538779 A JP 1538779A JP H0323366 B2 JPH0323366 B2 JP H0323366B2
- Authority
- JP
- Japan
- Prior art keywords
- harmonic
- progression
- arc
- arcs
- circumference
- 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 - Lifetime
Links
- 238000013461 design Methods 0.000 claims description 78
- 238000001228 spectrum Methods 0.000 claims description 10
- 230000007704 transition Effects 0.000 claims description 4
- 239000011295 pitch Substances 0.000 description 67
- 238000004458 analytical method Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 6
- 230000001788 irregular Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000270708 Testudinidae Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/0318—Tread patterns irregular patterns with particular pitch sequence
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/11—Tread patterns in which the raised area of the pattern consists only of isolated elements, e.g. blocks
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
- Testing Of Balance (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US87778978A | 1978-02-14 | 1978-02-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS54115801A JPS54115801A (en) | 1979-09-08 |
| JPH0323366B2 true JPH0323366B2 (en, 2012) | 1991-03-28 |
Family
ID=25370727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1538779A Granted JPS54115801A (en) | 1978-02-14 | 1979-02-13 | Method of designing plurality of load carrying elements and device provided with plurality of load carrying elements |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS54115801A (en, 2012) |
| AU (1) | AU527792B2 (en, 2012) |
| BR (1) | BR7900830A (en, 2012) |
| CA (1) | CA1157752A (en, 2012) |
| DE (1) | DE2905051A1 (en, 2012) |
| FR (1) | FR2416803A1 (en, 2012) |
| GB (1) | GB2014520B (en, 2012) |
| IT (1) | IT1192691B (en, 2012) |
| LU (1) | LU80882A1 (en, 2012) |
| ZA (1) | ZA79158B (en, 2012) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA811396B (en) * | 1980-03-13 | 1982-04-28 | Dunlop Ltd | Tyre treads and tyres |
| EP0050197A1 (en) * | 1980-10-22 | 1982-04-28 | The Firestone Tire & Rubber Company | Device and method for producing pneumatic tires having preselected noise characteristics |
| FR2496562A1 (fr) * | 1980-12-22 | 1982-06-25 | Kleber Colombes | Pneumatique, en particulier pour roue de secours |
| AT378741B (de) * | 1983-01-19 | 1985-09-25 | Semperit Ag | Laufflaechenprofil fuer einen fahrzeugluftreifen |
| FR2541942B1 (fr) * | 1983-03-03 | 1985-10-18 | Michelin & Cie | Reduction du bruit de roulage des enveloppes de pneumatique |
| JPS6018408A (ja) * | 1983-07-11 | 1985-01-30 | Yokohama Rubber Co Ltd:The | 空気入りタイヤ |
| US4503898A (en) * | 1983-09-14 | 1985-03-12 | The Goodyear Tire & Rubber Company | Pneumatic tire |
| US4823853A (en) * | 1986-05-21 | 1989-04-25 | The Goodyear Tire & Rubber Company | Noise control techniques for tires employing three different size design cycles |
| DE3630590A1 (de) * | 1986-09-09 | 1988-03-31 | Continental Gummi Werke Ag | Geraeuschoptimierter fahrzeugluftreifen |
| JPS63130410A (ja) * | 1986-11-17 | 1988-06-02 | Sumitomo Rubber Ind Ltd | 低騒音タイヤ |
| JP2800943B2 (ja) * | 1989-10-02 | 1998-09-21 | 住友ゴム工業 株式会社 | 空気入りタイヤ |
| DE4007760C2 (de) * | 1990-03-12 | 1996-09-19 | Uniroyal Englebert Gmbh | Fahrzeugluftreifen |
| DE4136226C2 (de) * | 1991-11-02 | 1995-02-16 | Continental Ag | Umlaufend bewegliches Bauteil |
| AU2002335655A1 (en) * | 2001-08-22 | 2003-03-10 | Bridgestone/Firestone North American Tire, Llc | Method of analyzing tire pitch sequence based on lug stiffness variations |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1956011A (en) * | 1932-02-18 | 1934-04-24 | Wingfoot Corp | Means for diminishing traction and riding noise in tires |
| BE524246A (en, 2012) * | 1952-11-13 | |||
| US3989780A (en) * | 1971-08-31 | 1976-11-02 | The Gates Rubber Company | Modulating noise produced by rotating bodies |
| US3926238A (en) * | 1971-08-31 | 1975-12-16 | Gates Rubber Co | Modulating noise produced by rotating bodies |
| DE2253717A1 (de) * | 1972-11-02 | 1974-05-09 | Uniroyal Ag | Fahrzeugluftreifen |
| CA1050869A (en) * | 1976-04-05 | 1979-03-20 | Uniroyal | Noise reduction in pneumatic tires |
-
1979
- 1979-01-09 CA CA000319293A patent/CA1157752A/en not_active Expired
- 1979-01-15 ZA ZA00790158A patent/ZA79158B/xx unknown
- 1979-01-15 AU AU43368/79A patent/AU527792B2/en not_active Expired
- 1979-02-01 FR FR7902605A patent/FR2416803A1/fr active Granted
- 1979-02-05 GB GB7903982A patent/GB2014520B/en not_active Expired
- 1979-02-06 LU LU80882A patent/LU80882A1/xx unknown
- 1979-02-08 DE DE19792905051 patent/DE2905051A1/de active Granted
- 1979-02-12 BR BR7900830A patent/BR7900830A/pt unknown
- 1979-02-13 IT IT20164/79A patent/IT1192691B/it active
- 1979-02-13 JP JP1538779A patent/JPS54115801A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| AU527792B2 (en) | 1983-03-24 |
| DE2905051A1 (de) | 1979-08-16 |
| IT1192691B (it) | 1988-05-04 |
| LU80882A1 (fr) | 1979-06-07 |
| GB2014520A (en) | 1979-08-30 |
| GB2014520B (en) | 1983-01-12 |
| IT7920164A0 (it) | 1979-02-13 |
| ZA79158B (en) | 1979-12-27 |
| CA1157752A (en) | 1983-11-29 |
| FR2416803A1 (fr) | 1979-09-07 |
| BR7900830A (pt) | 1979-09-04 |
| DE2905051C2 (en, 2012) | 1991-06-06 |
| JPS54115801A (en) | 1979-09-08 |
| AU4336879A (en) | 1979-08-23 |
| FR2416803B1 (en, 2012) | 1983-02-25 |
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