NO134100B - - Google Patents
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- Publication number
- NO134100B NO134100B NO425471A NO425471A NO134100B NO 134100 B NO134100 B NO 134100B NO 425471 A NO425471 A NO 425471A NO 425471 A NO425471 A NO 425471A NO 134100 B NO134100 B NO 134100B
- Authority
- NO
- Norway
- Prior art keywords
- tread
- winter tires
- tire
- tracks
- specified
- Prior art date
Links
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010363 phase shift Effects 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
- B60C11/04—Tread patterns in which the raised area of the pattern consists only of continuous circumferential ribs, e.g. zig-zag
-
- 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
- B60C11/01—Shape of the shoulders between tread and sidewall, e.g. rounded, stepped or cantilevered
-
- 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
- B60C11/0306—Patterns comprising block rows or discontinuous ribs
-
- 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
-
- 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
- B60C2011/0337—Tread patterns characterised by particular design features of the pattern
- B60C2011/0339—Grooves
- B60C2011/0381—Blind or isolated grooves
- B60C2011/0383—Blind or isolated grooves at the centre of the tread
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Description
Foreliggende oppfinnelse angår vinterdekk omfattende The present invention relates extensively to winter tires
en slitebane med minst to bølgeformede omløpende spor, der det er minst ett slitebaneelement mellom sporene og mellom hvert spor og dekkets skuldre. Dekk av denne art er utført slik at de skal gi et godt grep på snedekte veier og har høy slitestyrke under alle forhold. a tread with at least two undulating circumferential grooves, where there is at least one tread element between the grooves and between each groove and the shoulders of the tire. Tires of this type are designed to provide good grip on snow-covered roads and have high wear resistance in all conditions.
Det har hittil vært vanlig at dekk som har godt vei- Up until now, it has been common for tires that have good road-
grep på snelag har slitebaner omfattende en flerhet av slitebaneknaster adskilt av riller rundt omkretsen og på tvers. Knastene er i alminnelighet anordnet i rader med noe overlapping av knastene i tilstøtende rader og er ensartet fordelt på tvers av slitebanen. Uheldigvis har slitebaner med slike mønstre en tilbøyelighet til å bli slitt hurtig når de anvendes på tørre veier, og formålet med foreliggende oppfinnelse er derfor å komme frem til et mønster som øker slitestyrken vesentlig uten at dette går ut over dekkets gripeevne på snedekte veier. 1 henhold til oppfinnelsen er dette oppnådd ved at slitebaneelementene anordnes slik i forhold til de mellomliggende spor i dekkmønsteret at slitebaneelementene under normal belastning og normalt lufttrykk gir lettere etter i dekkets periferiretning enn på tvers av denne. snow grip has treads comprising a plurality of tread lugs separated by circumferential and transverse grooves. The knobs are generally arranged in rows with some overlapping of the knobs in adjacent rows and are uniformly distributed across the tread. Unfortunately, treads with such patterns have a tendency to be worn quickly when used on dry roads, and the purpose of the present invention is therefore to come up with a pattern that significantly increases wear resistance without affecting the tyre's grip on snow-covered roads. 1 according to the invention, this is achieved by the tread elements being arranged in such a way in relation to the intermediate grooves in the tire pattern that the tread elements under normal load and normal air pressure yield more easily in the tire's peripheral direction than across it.
Denne dekkutførelse er spesielt egnet for radialdekk. This tire design is particularly suitable for radial tyres.
Slitebaneelementene kan være enkeltstående knaster The tread elements can be individual studs
eller flere knaster kan være forbundet med hverandre med ribber eller vegger slik at de henger sammen, men de skal under alle omstendigheter gi lettere etter i dekkets periferiretning enn på tvers av denne. or several lugs may be connected to each other by ribs or walls so that they hang together, but they must in any case yield more easily in the tire's peripheral direction than across it.
Dekket kan med fordel i slitebanen ha to bølgeformede spor og slitebaneelementer eller knaster mellom disse, idet hvert element da begrenses av en hel bølge av det bølgeformede spor. The tire can advantageously have two wavy grooves in the tread and tread elements or lugs between them, each element being limited by a whole wave of the wavy groove.
Om det anordnes ytterligere spor mellom elementene fremkommer If additional tracks are arranged between the elements, it appears
det enkeltstående knaster. Bølgene i sporene kan være i fase med hverandre eller ute av fase. the single knob. The waves in the tracks can be in phase with each other or out of phase.
Faseforskyvningen mellom de bølgeformede spor bestem-mer stort sett utseendet i slitebanen. The phase shift between the wave-shaped grooves largely determines the appearance of the tread.
Plasering av knastene eller elementene på begge sider av sporene i mønsteret som griper i hverandre gir slitebanen stabilitet under kjøring ved at naboknaster får anledning til å støtte hverandre, hvorved også slitestyrken øker, samtidig med at de enkelte knaster i seg selv er fleksible. Placing the lugs or elements on both sides of the grooves in the interlocking pattern gives the tread stability during driving by allowing neighboring lugs to support each other, which also increases wear resistance, while the individual lugs themselves are flexible.
For å øke knastenes fleksibilitet i sideretningen er det anordnet riller eller slisser i knastene, spesielt i knastene mellom de bølgeformede spor. Rillene eller slissene deler i virkeligheten hver knast i flere smale tverrgående deler som kan bøye seg i forhold til hverandre i dekkets periferiretning og gjør knastene mer fleksible i denne retning, samt forbedrer gripe-evnen samtidig med at de har liten innvirkning på knastenes side-stabilitet. In order to increase the flexibility of the lugs in the lateral direction, grooves or slots are arranged in the lugs, especially in the lugs between the wavy grooves. The grooves or slots actually divide each lug into several narrow transverse parts which can bend relative to each other in the tire's peripheral direction and make the lugs more flexible in this direction, as well as improving grip while having little effect on the lateral stability of the lugs .
Det bølgeformede spor kan ha hele buer eller de kan ha mangekantet form. Fortrinnsvis har slitebanens skuldre slitebaneknaster som har avskrånende sider. Disse gir godt grep og er siderensende i dyp sne. Det er fordelaktig om knastene i slitebanens skuldre har større kontaktflate enn de andre knaster. The wave-shaped grooves may have full arcs or they may have a polygonal shape. Preferably, the shoulders of the tread have tread lugs having sloping sides. These provide good grip and are side cleaning in deep snow. It is advantageous if the studs in the shoulders of the tread have a larger contact surface than the other studs.
Oppfinnelsen er kjennetegnet ved de i kravene gjengitte trekk og vil i det følgende bli forklart nærmere under henvis-ning til tegningene,der vinterdekket 1 har en slitebane med to bølgeformede spor 2 og 3 som løper i omkretsretningen, og er skilt fra hverandre av en rad slitebaneelementer eller knaster 4. Mellom sporene 2 og 3 og dekkets skulder finnes det ytterligere slitebaneknaster 5 som griper inn mellom tilstøtende knaster 4 The invention is characterized by the features reproduced in the claims and will be explained in more detail in the following with reference to the drawings, where the winter tire 1 has a tread with two wavy tracks 2 and 3 that run in the circumferential direction, and are separated from each other by a row tread elements or lugs 4. Between the grooves 2 and 3 and the shoulder of the tire there are further tread lugs 5 which engage between adjacent lugs 4
i slitebanen. in the tread.
Knastene 4 i slitebanen er således omgitt av en enkel bølge åv sporet 2 og en enkel bølge av sporet 3 samt korte tverrgående spor 6 som forbinder sporene 2 og 3 og skiller knastene 4 fra hverandre. Om det ønskes kan imidlertid knastene henge sammen ved 6. Knastene 5 ved dekkets skuldre har en større kontaktflate enn tilsvarende deler av knastene 4 og danner knaster 7 ved avskrånende sider (ikke vis.t) . Midt i hver knast 7 finnes det en dreneringsspalte 8 som ligger i knastens skulderdel. Korte tvers-gående spor 9 deler opp knastene 5 og skaffer drenering fra de bølgeformede spor 2 og 3 til dekkets skuldre. The lugs 4 in the tread are thus surrounded by a single wave of the groove 2 and a single wave of the groove 3 as well as short transverse grooves 6 which connect the grooves 2 and 3 and separate the lugs 4 from each other. If desired, however, the lugs can be connected at 6. The lugs 5 at the tire's shoulders have a larger contact surface than corresponding parts of the lugs 4 and form lugs 7 at sloping sides (not shown). In the middle of each knob 7 there is a drainage slot 8 located in the shoulder part of the knob. Short transverse grooves 9 divide the lugs 5 and provide drainage from the wave-shaped grooves 2 and 3 to the tire's shoulders.
Hver enkelt knast har tverstående slisser 10 som Each individual knob has transverse slits 10 which
ligger helt innenfor knastenes omriss, og hver knast 5 har en sliss 10 som ligger innenfor knastens omriss og en sliss 11 som munner ut ved den ytre kant av knasten, sett i dekkets side-retning. lies entirely within the outline of the knobs, and each knob 5 has a slot 10 which lies within the outline of the knob and a slot 11 which opens out at the outer edge of the knob, seen in the tire's side direction.
Innsnitt kan være anordnet i knastene 4 og 5, f.eks. som ved 12 på tegningen, og om det ønskes kan dekkets slitbane være innrettet for pigging, f.eks. ved at det på passende steder i slitebanen er støpt hull for piggene. Notches can be arranged in the lugs 4 and 5, e.g. as at 12 in the drawing, and if desired, the tire's tread can be designed for studding, e.g. in that holes for the studs are molded in suitable places in the tread.
Claims (13)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5545770A GB1366300A (en) | 1970-11-21 | 1970-11-21 | Pneumatic tyres |
Publications (2)
Publication Number | Publication Date |
---|---|
NO134100B true NO134100B (en) | 1976-05-10 |
NO134100C NO134100C (en) | 1976-08-25 |
Family
ID=10473971
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO425471A NO134100C (en) | 1970-11-21 | 1971-11-18 |
Country Status (8)
Country | Link |
---|---|
AU (1) | AU458962B2 (en) |
DE (1) | DE2157814A1 (en) |
FI (1) | FI52184C (en) |
FR (1) | FR2115233B1 (en) |
GB (1) | GB1366300A (en) |
IE (1) | IE35935B1 (en) |
NO (1) | NO134100C (en) |
SE (1) | SE382590B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2322095C2 (en) * | 1973-05-02 | 1983-02-17 | Uniroyal Englebert Reifen GmbH, 5100 Aachen | M + S tread profile for pneumatic vehicle tires |
DE7900669U1 (en) * | 1979-01-12 | 1979-04-19 | Continental Gummi-Werke Ag, 3000 Hannover | TREAD DESIGN FOR MOTOR VEHICLE TIRES |
IT8221176V0 (en) * | 1982-03-17 | 1982-03-17 | Marangoni Pneumatici | BLOCK CARVING TREAD, ESPECIALLY FOR RENEWED TIRES. |
DE4107916A1 (en) * | 1991-03-12 | 1992-09-17 | Continental Ag | VEHICLE TIRES WITH WAVE SHAPED RODS |
FR2960473A1 (en) * | 2010-05-31 | 2011-12-02 | Michelin Soc Tech | ELEMENT OF A MOLD TRIM FOR MOLDING AND VULCANIZING A PART OF A TIRE TREAD OF A TIRE. |
FR2988032B1 (en) * | 2012-03-15 | 2015-04-10 | Michelin & Cie | HIGH THICK BEARING TAPE FOR CIVIL ENGINEERING TIRES |
-
1970
- 1970-11-21 GB GB5545770A patent/GB1366300A/en not_active Expired
-
1971
- 1971-11-11 IE IE142671A patent/IE35935B1/en unknown
- 1971-11-16 FI FI328171A patent/FI52184C/en active
- 1971-11-17 AU AU35838/71A patent/AU458962B2/en not_active Expired
- 1971-11-18 FR FR7141302A patent/FR2115233B1/fr not_active Expired
- 1971-11-18 NO NO425471A patent/NO134100C/no unknown
- 1971-11-18 SE SE1477771A patent/SE382590B/en unknown
- 1971-11-22 DE DE19712157814 patent/DE2157814A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2157814A1 (en) | 1972-05-25 |
IE35935B1 (en) | 1976-07-07 |
FR2115233B1 (en) | 1974-09-06 |
AU458962B2 (en) | 1975-02-25 |
FI52184B (en) | 1977-03-31 |
NO134100C (en) | 1976-08-25 |
IE35935L (en) | 1972-05-21 |
FR2115233A1 (en) | 1972-07-07 |
GB1366300A (en) | 1974-09-11 |
SE382590B (en) | 1976-02-09 |
FI52184C (en) | 1977-07-11 |
AU3583871A (en) | 1973-05-24 |
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