EP0101084B1 - Vorgefertigtes, reflektierendes, bandförmiges Strassenmarkierungsmaterial und Verfahren zur Herstellung desselben und von dessen Bestandteilen - Google Patents
Vorgefertigtes, reflektierendes, bandförmiges Strassenmarkierungsmaterial und Verfahren zur Herstellung desselben und von dessen Bestandteilen Download PDFInfo
- Publication number
- EP0101084B1 EP0101084B1 EP83108012A EP83108012A EP0101084B1 EP 0101084 B1 EP0101084 B1 EP 0101084B1 EP 83108012 A EP83108012 A EP 83108012A EP 83108012 A EP83108012 A EP 83108012A EP 0101084 B1 EP0101084 B1 EP 0101084B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- road
- strip
- marking
- marking material
- protruding elements
- 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
Links
- 239000000463 material Substances 0.000 title claims description 28
- 238000000034 method Methods 0.000 title claims description 12
- 230000003287 optical effect Effects 0.000 claims description 22
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 5
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 239000000243 solution Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000007790 scraping Methods 0.000 claims description 3
- 230000001464 adherent effect Effects 0.000 claims description 2
- 238000000748 compression moulding Methods 0.000 claims description 2
- 230000002708 enhancing effect Effects 0.000 claims description 2
- 239000012943 hotmelt Substances 0.000 claims description 2
- 238000001746 injection moulding Methods 0.000 claims description 2
- 239000004745 nonwoven fabric Substances 0.000 claims description 2
- 239000004417 polycarbonate Substances 0.000 claims description 2
- 229920000515 polycarbonate Polymers 0.000 claims description 2
- 229920000193 polymethacrylate Polymers 0.000 claims description 2
- 230000035939 shock Effects 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000011049 pearl Substances 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229920001169 thermoplastic Polymers 0.000 description 3
- 239000004416 thermosoftening plastic Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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
- E01F9/576—Traffic lines
- E01F9/578—Traffic lines consisting of preformed elements, e.g. tapes, block-type elements specially designed or arranged to make up a traffic line
Definitions
- This invention generally relates to prefabricated, light-reflecting, horizontal roadway marking strips and more specifically is concerned with the problem of resistance to the scraping action of mechanical, snowclearing equipment-such as snow-plows.
- Marking strips that are installed horizontally on the surfaces of roadways-especially the kind of strips which incorporate lightreflecting elements for making them plainly visible at night and in rainy weather-can be severely damaged when contacted by snow-clearing equipment.
- the invention thus relates to a prefabricated, horizontally-installed type, light-refelecting, strip-or tape-like road-marking material comprising optical retroreflective means protruding from the surface of the road marking strip material, for providing or enhancing visibility thereof, and further comprising protruding means for protecting the optical means from the scraping action of snow-plow blades of snow-clearing equipment travelling along the road.
- said protective means comprise a plurality of distributed protruding elements applied to and adherent on said marking strip, positioned and spaced in such a way as to protect the optical elements by causing the rapidly-passing snow-plow blade to bounce from on protruding element to the other, thus at least partially avoiding the blade from doing damage to the optical elements.
- the rails described in foremen- tioned patent applications 22352 A/76 and 30886 A/76 are replaced by protruding elements which are appropriately spaced along the marking strip so as to take advantage of the snow-plow's kinetic energy and rebound hysteresis and cause the plow blade to bounce from one protruding element to the next, thus avoiding-within practical limits -any damage being caused to the optical elements by the passing plow blade.
- the protruding elements can be button- shaped, lozenge-shaped or have any other kind of appropriate shape and have a rectangular or a rounded, convexed cross-section. They can either be lined up in straight rows on the marking strip or be staggered.
- the light-reflecting or retroreflecting elements hereafter also referred to as retroreflecting pearls or, more generally, as optical elements, can also be mounted onto the protruding elements themselves.
- the protruding elements are also intended for use as lift points when desiring to remove the installed marking strips from the installed location on the roadway surface.
- This invention also regards the method of manufacturing protruding elements, the method of manufacturing the basic strip and the relative completed marking strip.
- the protruding elements 2 which initially may have a rectangular cross-section--regardless of their outer shape-under the impact of the snow-plow blade acting as a cutting tool on the elements will increasingly adopt a ramp-like shape at an inclined angle in the direction of forward travel of the snow plow equipment.
- Figure 2a shows the cross-section of the protruding element 2' when new, and
- Fig. 2b shows the same cross-section 2" after the snow-plow blade has made several passes over it.
- protruding elements are made of a material having exceptional mechanical properties, which includes such materials as thermoplastic polyurthane, shock-resistant polymethacrylate and polycarbonate.
- the protruding elments 2 can also have retro-reflective pearls mounted on them, covering the tops and sides.
- Fig. 3 shows an embodiment of this type with a disk shaped protruding element 2 being covered on the top and sides with the aforementioned pearls 4.
- Fig. 4 shows a method for producing these disk-shaped protruding elements, starting with an extruded, solid cylinder (10). Upon being extruded, the cylinder is sprayed (12) with a bonding substance and then with appropriately- sized retro-reflective pearls (14). The disks are then cut (16) to the desired thickness.
- protruding elements having a rounded or convex cross-section which permits a more uniform bouncing action of the plow blade.
- This type of protruding elements can be produced by either injection or compression molding, but are most economically produced by extrusion through die rollers.
- Fig. 5 in its lower portion shows a protruding element of this type in convex cross-section (18), and in its upper or main portion shows a method of production for such elements, using counter-rotating cylinders (20' and 20") located downstream the extrusion head (22). This method of production is completely analogous to the one described in the issued US Patent No. 4,072,403. Particular reference is made to Fig. 5 of this patent.
- the best way of applying the protruding elements to the marking strip is to use the same method used for applying the optical elements. After the basic support strip has been coated with a bonding liquid, and before the liquid has had a chance to harden, the protruding elements are appropriately located on the marking strip. Both the bonding liquid and the protruding elements are best made of polyurethane.
- thermoplastic polyurethane is compatible, at high temperature with the thermoplastic bituminous primers, as described, for example, in issued US Patent No. 4,102,718.
- the protruding elements may be also applied to the marking strip by suitably laying down a "hot melt” (thermofusible) adhesive, followed by the positioning on same of the protruding elements.
- a hot melt thermoofusible
- the protruding elements can be used for facilitating the lifting of the marking strip from its installed position, if removal of the tape is desired.
- the protruding elements in fact, constitute attachment points for effecting removal of the marking strip.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Signs Or Road Markings (AREA)
- Road Repair (AREA)
Claims (15)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2286682 | 1982-08-16 | ||
| IT22866/82A IT1153172B (it) | 1982-08-16 | 1982-08-16 | Metodo per rendere una striscia segnaletica prefabbricata riflettorizzata resistente all'aggressione delle lame da neve, metodo di produzione di elementi protrudenti, metodo di produzione della striscia e manufatto relativo |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0101084A2 EP0101084A2 (de) | 1984-02-22 |
| EP0101084A3 EP0101084A3 (en) | 1984-10-10 |
| EP0101084B1 true EP0101084B1 (de) | 1988-11-17 |
Family
ID=11201337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP83108012A Expired EP0101084B1 (de) | 1982-08-16 | 1983-08-12 | Vorgefertigtes, reflektierendes, bandförmiges Strassenmarkierungsmaterial und Verfahren zur Herstellung desselben und von dessen Bestandteilen |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0101084B1 (de) |
| JP (1) | JPS5968409A (de) |
| CA (1) | CA1263806C (de) |
| DE (1) | DE3378484D1 (de) |
| IT (1) | IT1153172B (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62211403A (ja) * | 1986-03-11 | 1987-09-17 | アトム化学塗料株式会社 | 全天候型路面標示用シ−ト材 |
| US4969713A (en) * | 1988-12-12 | 1990-11-13 | Brite Line Corporation | Marker strip surface for roadways and the like |
| EP0863813B1 (de) * | 1995-11-22 | 2002-01-02 | Minnesota Mining And Manufacturing Company | Dauerhaftes strassenmarkierungsband mit siebbeschichteter polyurethan-deckschicht |
| WO1999025928A1 (en) * | 1997-11-19 | 1999-05-27 | Minnesota Mining And Manufacturing Company | Wear resistant pavement marking |
| US6841223B2 (en) * | 2001-08-14 | 2005-01-11 | 3M Innovative Properties Company | Composite pavement markings |
| US11110695B2 (en) | 2012-05-30 | 2021-09-07 | 3M Innovative Properties Company | Marking tape, method of applying and method of manufacturing the marking tape |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0100524A1 (de) * | 1982-07-27 | 1984-02-15 | Ludwig Dr. Eigenmann | Markierungsmaterial für Strassenoberflächen und Verfahren und Vorrichtung zur Verlegung des Strassenmarkierungsmaterials auf der Strassenoberfläche |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2632107C2 (de) * | 1975-07-16 | 1986-01-09 | Ludwig Dr. Vacallo Tessin Eigenmann | Rückstrahlaggregat für Markierungsmaterial zur horizontalen Straßenmarkierung |
| US4129673A (en) * | 1976-04-15 | 1978-12-12 | Ludwig Eigenmann | Snowplowing resisting road surface marking tape material |
| SE433236B (sv) * | 1976-04-15 | 1984-05-14 | Ludwig Eigenmann | Notnings- och pakenningshallfast vegmarkeringsbandmaterial med antislirningsegenskaper |
| US4146635A (en) * | 1976-04-15 | 1979-03-27 | Ludwig Eigenmann | Anti-skid, wear- and stress-resisting road marking tape material |
-
1982
- 1982-08-16 IT IT22866/82A patent/IT1153172B/it active
-
1983
- 1983-08-10 CA CA434261A patent/CA1263806C/en not_active Expired
- 1983-08-12 DE DE8383108012T patent/DE3378484D1/de not_active Expired
- 1983-08-12 EP EP83108012A patent/EP0101084B1/de not_active Expired
- 1983-08-12 JP JP58146773A patent/JPS5968409A/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0100524A1 (de) * | 1982-07-27 | 1984-02-15 | Ludwig Dr. Eigenmann | Markierungsmaterial für Strassenoberflächen und Verfahren und Vorrichtung zur Verlegung des Strassenmarkierungsmaterials auf der Strassenoberfläche |
Also Published As
| Publication number | Publication date |
|---|---|
| IT8222866A0 (it) | 1982-08-16 |
| CA1263806A (en) | 1989-12-12 |
| EP0101084A3 (en) | 1984-10-10 |
| CA1263806C (en) | 1989-12-12 |
| DE3378484D1 (en) | 1988-12-22 |
| EP0101084A2 (de) | 1984-02-22 |
| IT1153172B (it) | 1987-01-14 |
| JPS5968409A (ja) | 1984-04-18 |
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