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US3844669A Expired / Lapsed US ⏱️ 0.0 years remaining

Line-marking device for road surface

Assignee: 3M Co
•
Filing: 1972-07-26
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Granted: 1974-10-29
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Expires: 1992-07-26
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Abstract

Abstract The specification describes a device designed for travelling along a given path on a road surface for laying down on and adhesively securing to said surface a traffic-regulating line or similar mark means. The device comprises a service unit in form of a motor-van equipped with supply means and an operative unit trailed and supplied by the service unit and provided with means for forming on the road surface a primer layer wider than the line to be marked and having thermal energy, and with means for laying down and pressing a marking tape material on said primer layer, the thermal energy of which promotes a quick modification of state at the interface between said layer and tape to cause prompt adhesion of said tape to said layer and of said layer to said road surface.

Inventors

  • 👤 L Eigenmann

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 10:26
CPC Classifications
E; E01; E01C; E01C23/00; E01C23/16; E01C23/18; E01C23/185; E01C23/14

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 191 words
An arrangement for applying traffic-regulating indicia to road surfaces, comprising a vehicle adapted to be driven over a road surface and including a plurality of support means for supporting a plurality of strips of marker material to be applied over the road surface so as to form at least one trafficregulating indicium, said vehicle further including guide means for guiding each of said strips for application thereof to the road surface, and said support means and said guide means having a first relative position in which said guide means co-operates with one of said support means for guiding one of said strips, and a second relative position in which said guide means cooperates with another of said support means for guiding another of said strips, said support means and said guide means being relatively movable between said first and second relative positions so as to guide first said one of said strips from said first support means and thereafter said another of said strips from said other support means; and an applicator unit operatively associated with said guide means and being effective for applying said strips subsequently to the road surface.
Claim 2
Dependent Claim 191 words
An arrangement for applying traffic-regulating indicia to road surfaces, comprising a vehicle adapted to be driven over a road surface and including a plurality of support means for supporting a plurality of strips of marker material to be applied over the road surface so as to form at least one trafficregulating indicium, said vehicle further including guide means for guiding each of said strips for application thereof to the road surface, and said support means and said guide means having a first relative position in which said guide means co-operates with one of said support means for guiding one of said strips, and a second relative position in which said guide means cooperates with another of said support means for guiding another of said strips, said support means and said guide means being relatively movable between said first and second relative positions so as to guide first said one of said strips from said first support means and thereafter said another of said strips from said other support means; and an applicator unit operatively associated with said guide means and being effective for applying said strips subsequently to the road surface.
Claim 3
Dependent Claim 66 words
An arrangement as defined in claim 1, said indicium further comprising a layer of a primer substance intermediate the road surface and said strip material, and said applicator unit including means for heating said substance, and means for applying the heated substance over the road surface; and wherein said vehicle comprises storage means for accommodating said substance, and a source of energy for said heating means.
Claim 4
Dependent Claim 37 words
An arrangement as defined in claim 1, said applicator unit comprising means for heating the road surface prior to application of said indicium thereover; and wherein said vehicle includes a source of energy for said heating means.
Claim 5
Dependent Claim 14 words
AN arrangement as defined in claim 1, wherein said guide means is movably mounted.
Claim 6
Dependent Claim 64 words
An arrangement as defined in claim 1, said strip material being in form of a plurality of rolls; and wherein said supporting means comprises a shaft extending in a first direction and adapted to rotatably support at least some of said rolls, said guide means including a guide roller rotatably mounted about an axis extending in a second direction transverse to said first direction.
Claim 7
Dependent Claim 122 words
An arrangement as defined in claim 1, said indicium comprising a layer of a primer substance intermediate the road surface and said strip material, and said applicator unit including nozzle means for directing said substance over the road surface, pump means for conveying measured quantities of said substance to said nozzle means, heat-exchange means intermediate said pump means and said nozzle means for heating said substance prior to application thereof over the road surface, and burner means adapted to direct a flame against the road surface for heating the same prior to application of said substance thereover; and wherein said vehicle comprises storage means for accommodating said substance communicating with said pump means, and a source of energy for said heat-exchange means.
Claim 8
Dependent Claim 102 words
An arrangement as defined in claim 6, said applicator unit comprising flame diffuser means for the flame generated by said burner means and including wall means defining an enclosed space adapted to be heated by the flame, and a downwardly open chamber surrounding said nozzle means and communicating with said enclosed space; and wherein said vehicle includes a source of pressurized gas communicating with said enclosed space, whereby to permit heating of said gas in said enclosed space and subsequent flow of the heated gas into said chamber to thereby prevent heat dissipation from the heated substance passing through said nozzle means.
Claim 9
Dependent Claim 35 words
An arrangement as defined in claim 1, wherein said applicator unit comprises supply and guide means for applying a temporary protective layer over said indicium, and means for removing said temporary layer from said indicium.
Claim 10
Dependent Claim 319 words
An arrangement for applying traffic-regulating indicia to road surfaces, comprising a vehicle adapted to be driven over a road surface and including a plurality of support means for supporting a plurality of strips of marker material to be applied over the road surface so as to form at least one traffic-regulating indicium, said vehicle further including guide means for guiding each of said strips for application thereof to the road surface, and said support means and said guide means having a first relative position in which said guide means co-operates with one of said support means for guiding one of said strips, and a second relative position in which said guide means co-operates with another of said support means for guiding another of said strips, said support means and said guide means being relatively movable between said first and second relative positions so as to guide first said one of said strips from said first support means and thereafter said another of said strips from said other support means, and said vehicle also comprising storage means for accommodating a primer substance to be applied over the road surface intermediate the latter and said strip material, and at least one source of energy; a first applicator unit hingedly connected to said vehicle and comprising first heating means for heating the road surface prior to application of said one indicium thereover, second heating means for heating said primer substance, and means for applying the heated primer substance over the road surface, said first and second heating means being supplied with energy from said vehicle; and a second applicator unit hingedly connected to said vehicle separately from said first applicator unit and being effective for applying said strips over the road surface, said second applicator unit comprising supply and guide means for applying a temporary proTective layer over said one indicium, and means for removing said temporary layer from said one indicium.
Claim 11
Dependent Claim 319 words
An arrangement for applying traffic-regulating indicia to road surfaces, comprising a vehicle adapted to be driven over a road surface and including a plurality of support means for supporting a plurality of strips of marker material to be applied over the road surface so as to form at least one traffic-regulating indicium, said vehicle further including guide means for guiding each of said strips for application thereof to the road surface, and said support means and said guide means having a first relative position in which said guide means co-operates with one of said support means for guiding one of said strips, and a second relative position in which said guide means co-operates with another of said support means for guiding another of said strips, said support means and said guide means being relatively movable between said first and second relative positions so as to guide first said one of said strips from said first support means and thereafter said another of said strips from said other support means, and said vehicle also comprising storage means for accommodating a primer substance to be applied over the road surface intermediate the latter and said strip material, and at least one source of energy; a first applicator unit hingedly connected to said vehicle and comprising first heating means for heating the road surface prior to application of said one indicium thereover, second heating means for heating said primer substance, and means for applying the heated primer substance over the road surface, said first and second heating means being supplied with energy from said vehicle; and a second applicator unit hingedly connected to said vehicle separately from said first applicator unit and being effective for applying said strips over the road surface, said second applicator unit comprising supply and guide means for applying a temporary proTective layer over said one indicium, and means for removing said temporary layer from said one indicium.

References Cited (Backward Citations)

CA701524A Cited
CA759704A Cited
US2898825A Cited
US3018704A Cited
US3540358A Cited
US3682054A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-10-28 1978-04-29 1978-10-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-10-28 1982-04-29 1982-10-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-10-28 1986-04-29 1986-10-29 $7700.00 Window Closed / Lapsed

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