EP0868573B1 - Temporary thermoplastic marking covering for roads, parking areas and the like - Google Patents
Temporary thermoplastic marking covering for roads, parking areas and the like Download PDFInfo
- Publication number
- EP0868573B1 EP0868573B1 EP96938593A EP96938593A EP0868573B1 EP 0868573 B1 EP0868573 B1 EP 0868573B1 EP 96938593 A EP96938593 A EP 96938593A EP 96938593 A EP96938593 A EP 96938593A EP 0868573 B1 EP0868573 B1 EP 0868573B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- covering
- temporary
- marking
- resin
- thermoplastic
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
- E01F9/506—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users characterised by the road surface marking material, e.g. comprising additives for improving friction or reflectivity; Methods of forming, installing or applying markings in, on or to road surfaces
Definitions
- the present invention relates to a thermoplastic marking covering for roads, parking areas and the like, which covering is intended to be temporary, which means that it shall be able to be removed after a certain period of time when the marking covering is no longer needed.
- Coverings on roads, parking areas, pavements and the like in the form of arrows, solid lines or dotted lines, etc. are used for marking driving direction, parking spaces, etc. They are intended to be permanent and shall constitute a marking as long as possible until any change in the traffic is to be made.
- the coverings consist of a binder which preferably is thermoplastic and they include pigments, fillers, glass pearls and the like.
- the coverings are normally applied in the form of a melt by means of specially developed machines by which further glass pearls are usually sprayed on the not yet solidified covering as a last step in the work.
- the temporary coverings which must be removed by dissolution, heating or milling off may consist of a homogeneous material which can be applied by conventional covering machines but the removal of these coverings is instead complicated and costly and requires solvents, heating elements or milling machines.
- thermoplastic marking covering on supports like roads and parking areas that consists of a homogeneous material mixture with a content of up to 98% thermoplastic polymer, 0-20% resin, 0-30% plasticizer and pigment and fillers, the covering having an inner strength being higher than the adhesion strength to the support so that it can be torn off from the support in one piece after its functional period as a marking.
- the covering can be applied on the base in a melt form without any intermediate adhesive layer towards the base.
- thermoplastic polymer should preferably, consist of ethene copolymers, styrene block copolymers, ionomers, amorphous polypropylene, elastomers of polyamide, polyurethane or of a polyester type. Combinations of different polymers or only one type may be used.
- the resin suitably consists of aromatic or aliphatic hydrocarbon resins, terpene resin, cumaronindene resin or of ester resins which are modified or unmodified.
- the temporary marking covering according to the present invention consists substantially of a thermoplastic polymer.
- a plasticizer has in most cases been added to the polymer so that it has obtained the proper plasticity.
- the polymer mixture also contains in most cases a resin which consists of a low-molecular amorphous thermoplastic polymer, which gives the proper adhesion.
- the covering comprises in the usual way additions of pigments, fillers in the form of, for example, silicates and carbonates and glass pearls which are usual for coverings.
- the pigment may be, for example, a white or yellow pigment.
- thermoplastic covering mixture according to the invention can be melted and applied on a base, for example asphalt, using conventional application equipment for thermoplastic materials. Due to the adhesion properties of the thermoplastic, which is mainly due to the content of resin, the covering will adhere to the asphalt or some other base. No special adhesive is required to be applied on the base since the covering adheres firmly to the base with a sufficiently great strength.
- a pretreatment with a primer may be used, as for conventional thermoplastic materials, to improve the adhesion.
- the marking covering according to the present invention has also a high inner strength. This is necessary since the covering strip shall be torn off after use and it is then advantageous that it can be torn off in one piece without breaking so that extra work arises during removal.
- the content of resin is of great importance for the adhesion. This content should be between 0-20% of the covering material. If a thermoplastic with good adhesion is used, the resin can be used in very small amounts or completely omitted. It is important that the adhesion to the base is less than the inner strength of both the base and the covering material and that the material has such a flexibility that the marking is not broken during the removal.
- the covering material must be age resistant so that it retains its inner strength and can be removed in one piece after its functional period as a marking. Removed material may to some extent be mixed into a new material and thus be reused. In addition, the material must not be too brittle during the time of use.
- One example of an embodiment of the present invention for a yellow marking covering consists of the following composition: resin 6 parts by weight polymer 35 parts by weight plasticizer 1 parts by weight white pigment 2 parts by weight yellow pigment 1 parts by weight filler 35 parts by weight glass pearls 20 parts by weight
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Paints Or Removers (AREA)
- Road Signs Or Road Markings (AREA)
Description
The present invention relates to a thermoplastic marking
covering for roads, parking areas and the like, which
covering is intended to be temporary, which means that it
shall be able to be removed after a certain period of time
when the marking covering is no longer needed.
Coverings on roads, parking areas, pavements and the like
in the form of arrows, solid lines or dotted lines, etc.
are used for marking driving direction, parking spaces,
etc. They are intended to be permanent and shall constitute
a marking as long as possible until any change in the
traffic is to be made. The coverings consist of a binder
which preferably is thermoplastic and they include
pigments, fillers, glass pearls and the like. The coverings
are normally applied in the form of a melt by means of
specially developed machines by which further glass pearls
are usually sprayed on the not yet solidified covering as
a last step in the work.
In connection with road works or other traffic diversions
which are intended to be present during a pre-determined
short period of time, it is however desirable to make
temporary markings by means of coverings on the base. Such
temporary coverings are to be removed in some way after
their time has expired. These temporary coverings consist
mostly of tape-shaped bands or laminates. The laminates may
be made from plastic films, fabrics of plastic fibres
impregnated with some kind of plastics or the like and they
all have an adhesive on the underside towards the base.
After use they can be torn off from the base. Examples of
such temporary markings are described in the US patents
4,299,874, 5,437,907 or DE 3,040,161. Another type of
temporary marking coverings is described in GB 2,011,453
and US 3,459,106, which later coverings are intended to be
dissolved after use by means of alkaline solution or by
means of heat which decomposes the polymer. The basic
substance in the above mentioned temporary coverings is,
besides one or more thermoplastic, rubber or the like.
The use of temporary road coverings according to the known
technique is often both troublesome and costly. Thus, the
laminate or the tape, for example, which as such are
expensive to produce, must be applied by means of specially
designed machines or by hand.
The temporary coverings which must be removed by
dissolution, heating or milling off may consist of a
homogeneous material which can be applied by conventional
covering machines but the removal of these coverings is
instead complicated and costly and requires solvents,
heating elements or milling machines.
It has therefore long been a desire to be able to apply a
temporary marking covering which is homogeneous and which
can be applied on the base by means of conventional
covering machines and which, after completed use, quite
simply can be pulled off from the base. One has therefore
arrived at the present invention which is a
temporary thermoplastic marking covering on supports
like roads and parking areas
that consists of a homogeneous material
mixture with a content of up to 98% thermoplastic polymer,
0-20% resin, 0-30% plasticizer and pigment and fillers, the
covering having an inner strength being higher than the
adhesion strength to the support so that it can be torn off
from the support in one piece after its functional period
as a marking.
The covering can be applied on the base in a melt form
without any intermediate adhesive layer towards the base.
The thermoplastic polymer should
preferably, consist of ethene copolymers, styrene block
copolymers, ionomers, amorphous polypropylene, elastomers
of polyamide, polyurethane or of a polyester type.
Combinations of different polymers or only one type may be
used.
According to the invention, the resin suitably consists of
aromatic or aliphatic hydrocarbon resins, terpene resin,
cumaronindene resin or of ester resins which are modified
or unmodified.
The temporary marking covering according to the present
invention consists substantially of a thermoplastic
polymer. A plasticizer has in most cases been added to the
polymer so that it has obtained the proper plasticity. The
polymer mixture also contains in most cases a resin which
consists of a low-molecular amorphous thermoplastic
polymer, which gives the proper adhesion. Besides these
components, the covering comprises in the usual way
additions of pigments, fillers in the form of, for example,
silicates and carbonates and glass pearls which are usual
for coverings. The pigment may be, for example, a white or
yellow pigment.
The thermoplastic covering mixture according to the
invention can be melted and applied on a base, for example
asphalt, using conventional application equipment for
thermoplastic materials. Due to the adhesion properties of
the thermoplastic, which is mainly due to the content of
resin, the covering will adhere to the asphalt or some
other base. No special adhesive is required to be applied
on the base since the covering adheres firmly to the base
with a sufficiently great strength. When concrete is to be
covered, a pretreatment with a primer may be used, as for
conventional thermoplastic materials, to improve the
adhesion.
The marking covering according to the present invention has
also a high inner strength. This is necessary since the
covering strip shall be torn off after use and it is then
advantageous that it can be torn off in one piece without
breaking so that extra work arises during removal.
As stated above, the content of resin is of great
importance for the adhesion. This content should be between
0-20% of the covering material. If a thermoplastic with
good adhesion is used, the resin can be used in very small
amounts or completely omitted. It is important that the
adhesion to the base is less than the inner strength of
both the base and the covering material and that the
material has such a flexibility that the marking is not
broken during the removal. The covering material must be
age resistant so that it retains its inner strength and can
be removed in one piece after its functional period as a
marking. Removed material may to some extent be mixed into
a new material and thus be reused. In addition, the
material must not be too brittle during the time of use.
One example of an embodiment of the present invention for
a yellow marking covering consists of the following
composition:
| resin | 6 parts by weight |
| polymer | 35 parts by weight |
| plasticizer | 1 parts by weight |
| white pigment | 2 parts by weight |
| yellow pigment | 1 parts by weight |
| filler | 35 parts by weight |
| glass pearls | 20 parts by weight |
The invention is not limited to the above embodiment but
can be defined in different ways within the scope of the
claims.
Claims (3)
- Temporary thermoplastic marking covering on supports like roads and parking areas, characterized in that it consists of a homogeneous material mixture with a content of up to 98% thermoplastic polymer, 0-20% resin, 0-30% plasticizer and pigment and fillers, the covering having an inner strength being higher than the adhesion strength to the support so that it can be torn off from the support in one piece after its functional period as a marking.
- Temporary thermoplastic marking covering according to claim 1, characterized in that the thermoplastic polymer consists of ethene copolymers, styrene block copolymers, ionomers, amorphous polypropylene, elastomers of polyamide, polyurethane or of a polyester type or combinations thereof.
- Temporary thermoplastic marking covering according to claim 1 or 2, characterized in that the resin consists of aromatic or aliphatic hydrocarbon resins, cumaronindene resin or ester resins which are modified or unmodified or mixtures thereof.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9504507 | 1995-12-18 | ||
| SE9504507A SE504154C2 (en) | 1995-12-18 | 1995-12-18 | Temporary, thermoplastic marker coating for roads, parking lots and the like |
| PCT/SE1996/001434 WO1997022756A1 (en) | 1995-12-18 | 1996-11-08 | Temporary thermoplastic marking covering for roads, parking areas and the like |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0868573A1 EP0868573A1 (en) | 1998-10-07 |
| EP0868573B1 true EP0868573B1 (en) | 2000-10-04 |
Family
ID=20400617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96938593A Expired - Lifetime EP0868573B1 (en) | 1995-12-18 | 1996-11-08 | Temporary thermoplastic marking covering for roads, parking areas and the like |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0868573B1 (en) |
| AU (1) | AU7593396A (en) |
| DE (1) | DE69610565T2 (en) |
| SE (1) | SE504154C2 (en) |
| WO (1) | WO1997022756A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI109551B (en) * | 1999-10-20 | 2002-08-30 | Tielaitos | Method and apparatus for producing a structural marker and a structural marker |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3459106A (en) * | 1965-11-12 | 1969-08-05 | Little Inc A | Highway marking compositions and method |
| SE443386B (en) * | 1980-04-29 | 1986-02-24 | Svenska Skumslaecknings Ab | DEVICE FOR APPLYING A THREE-DIMENSIONAL MARKING INTENDED AS INCIDENTAL SURFACE MARKING |
| US5437907A (en) * | 1990-01-02 | 1995-08-01 | Flex-O-Lite, Inc. | Removable reflective tape or sheeting |
| GB9103150D0 (en) * | 1991-02-14 | 1991-04-03 | Shell Int Research | Process for marking a pavement |
-
1995
- 1995-12-18 SE SE9504507A patent/SE504154C2/en not_active IP Right Cessation
-
1996
- 1996-11-08 AU AU75933/96A patent/AU7593396A/en not_active Abandoned
- 1996-11-08 EP EP96938593A patent/EP0868573B1/en not_active Expired - Lifetime
- 1996-11-08 WO PCT/SE1996/001434 patent/WO1997022756A1/en active IP Right Grant
- 1996-11-08 DE DE69610565T patent/DE69610565T2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| AU7593396A (en) | 1997-07-14 |
| DE69610565D1 (en) | 2000-11-09 |
| SE9504507D0 (en) | 1995-12-18 |
| EP0868573A1 (en) | 1998-10-07 |
| SE9504507L (en) | 1996-11-25 |
| SE504154C2 (en) | 1996-11-25 |
| DE69610565T2 (en) | 2001-05-31 |
| WO1997022756A1 (en) | 1997-06-26 |
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