GB2330808A

GB2330808A - Tread wear indicator

Info

Publication number: GB2330808A
Application number: GB9722637A
Authority: GB
Inventors: Dennis Tiley
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-10-28
Filing date: 1997-10-28
Publication date: 1999-05-05
Also published as: GB9722637D0

Abstract

A wear indicator comprising a moulded strip or band of reflective or illuminant coloured rubber is incorporated in a tyre as shown at A and extends fully round the circumference of the tyre. The wear indicator may be at a depth of 1.5mm or 0.5mm depending upon the type of vehicle upon which the tyre will be used.

Description

LI@ITEL LIGHT TREAL WEAR INDICATOR.

Th@is invention is concerned with vehicle safety.

Many tyres exist but they all present a similar characteristic drawback.

At night or in a dim-lit situaticn a badly worn tyre tread would go un-noticed therefore not showing that a crime has been committed.

To overcome the problem, a limited tight Tread Vear Indicator comprising a reflective or illuminant coloured dyed rubber or a rubber reflective illuminant strip or band moulded to the identical shape of a tyres tread within it's 360@ circum@erence under the required legal tread depth, that being at least 1.6mm on cars, light vans and light trailers.

The limited tight Tread Wear Indicator would be inserted at a depth of 15mm on a car,light van and light trailer and at 0-5mm for other vehicles such as lorries,buses etc,or vehicles requiring a legal tread depth of at least lmm.

The invention will now be further described with reference to the accompanying drawings. in which: Big 1 shows an inside view of a ty@ical tyre and where devise would be inserted, indioated by arrows B,covering the complete width of tread C, Fig 2 shows a typical tyre showing where device A, would be inserted indicated by arrows B,covering the colnplete width of tread C, plus other parts of a tyre simply described.

1 Sidewall-protects the casing from side-scuffing,also controls vehicle 'tyre-ride' characteristics and assists in tread support.

2 Casing Cords-layers of textile or steel wire lying under the tread to stiffen the casing,therefore allowing improved wear performance and handling response.

3 Sidewall Cords-used to reinforce it's sidewalls.

4 Beads-steel wire loops which anchor the cords and also lock the tyre onto the wheel assembly so that it will not slip on the wheel rim.

According to the invention,on cnrs, licht vans and light trailers,the said reflective or illuminant coloured dyed rubber or å rubber reflective illuminant strip or band would be moulded to the i@entical hape 0. a tyres tread within it's 360 circumference,inset at a tread depth of 1#5mm.

In relation to other vehicles eg,lorries,buses etc,the reflective or illuminant coloured dyed rubber or a reflective/illuminant rubber tri or band would be moulded to the identical shape of a tyres tread within it's 360 circumference inset at a tread depth of 0#5mm.

Thousands of bold tyres filter there way through the legal system causing numerous accidents and deaths throughout our cities day and night.

At day-time bold or very badly worn tyres can randomly be found out by pclice forces throughout the nation by way of general vehicle spot checks or finally found out after an unfortunate accident, but at night most seriously worn tyres go undetected so they escape the human eye.

But if the said invention was incorperated into tyre treads, bold tyres would be known to all including the(Culprits) or (evades) themselves.

A police patrol car patrolling an area could pin-point a vehicle at night whether moving or stationary and point out the evidence to the owner.

The invention would make people far more aware of defective tyres and more cautious,but most of all it would cut down on vehicle accidents and save lives.

Claims

CLAIMS Claim 1 Limited Light Tread Wear Indicator,comprising a reflective coloured dyed rubber moulded to the identical shape of a whole cars, light vans and light trailers tyre tread within it's entire 366 circumference inset at a depth of 1#5mm.

Claim 2 Limited Light Tread ear Indicator as claimed in claim 1, comprising an illuminant coloured dyed rubber, moulded to the identical shape of a whole cars, light vans and light trailers tyre tread within it's entire 330circumference inset at 1#5mm.

Claim 3 Limited Light read ear Indicator,as claimed in claims 1 and 2 comprising a reflective strip or band moulded to the identical shape of a whole cars, light vans and light trailers tyre tread within it's 360 circumference inset at 1#5mm.

Claim 4 Limited Light Tread Near Indicator,as claimed in claims 1,2 and 3 comprising an illuminant strip cr band moulded in rubber to the identical shape of a whole cars, light vans and light trailers tyre tread within it's entire circumference inset at 1-5mm.

Claim 5 Limited Light Tread Wear Indicator, as claimed in claims 1,2,3 and 4,comprising a reflective coloured dyed rubber moulded to the identical shape of a whole lorry tyres tread or similar vehicles requiring a legal tread depth of at least 1mm,at it's entire 360 circumference inset at 0#5mm.

Claim 6 Limited Light Tread Sear Indicator,as claimed in claims 1,2,3,4 and 5, comprising an illuminant coloured dyed rubber moulded to the identical shape of a whole lorry tyres tread or similar vehicle requiring a legal tread depth of at least 1mm at it's entire 3600 circumference inset at 0w5mm.

Claim 7 Limited Light Tread ear Indicator,as claimed in claims 1 ,2,3,4,

5 and 6 comprising a reflective strip or band moulded to the identical shape of a whole lorry tyres tread or similar vehicles requiring a legal tread depth of at least lmm at it's entire 360 circumference inset at 0#5mm.

Claim 8 Limited Light Tread Wear Indicator,as claimed in claims 1,2,3,4, 5,6 and 7,comprising an illuminant strip or band moulded to the identical shape of a whole lorry tyres tread or similar vehicles requiring a legal tread depth of at least lem, at it's entire 360' circumference inset at 0#5mm.