GB2199874A - Bituminous surface removing/relaying machine - Google Patents
Bituminous surface removing/relaying machine Download PDFInfo
- Publication number
- GB2199874A GB2199874A GB08623644A GB8623644A GB2199874A GB 2199874 A GB2199874 A GB 2199874A GB 08623644 A GB08623644 A GB 08623644A GB 8623644 A GB8623644 A GB 8623644A GB 2199874 A GB2199874 A GB 2199874A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bituminous
- relaying
- machine
- surface removal
- relaying machine
- 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.)
- Withdrawn
Links
- 239000000463 material Substances 0.000 claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000001301 oxygen Substances 0.000 claims abstract description 9
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 9
- 239000007789 gas Substances 0.000 claims abstract description 6
- 230000002950 deficient Effects 0.000 claims abstract description 5
- 239000011261 inert gas Substances 0.000 claims description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000003466 anti-cipated effect Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 244000118350 Andrographis paniculata Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/48—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
- E01C19/488—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ with rollers for consolidating or finishing combined with tamping, vibrating, pressing or smoothing consolidation or finishing means
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/48—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/48—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
- E01C19/4806—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ with solely rollers for consolidating or finishing
- E01C19/4826—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ with solely rollers for consolidating or finishing the materials being aggregate mixed with binders
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/065—Recycling in place or on the road, i.e. hot or cold reprocessing of paving in situ or on the traffic surface, with or without adding virgin material or lifting of salvaged material; Repairs or resurfacing involving at least partial reprocessing of the existing paving
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/08—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/08—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades
- E01C23/085—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades using power-driven tools, e.g. vibratory tools
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/14—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces for heating or drying foundation, paving, or materials thereon, e.g. paint
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
A bituminous surface removing/relaying machine provides a heated inert/oxygen deficient gas to blanket/cover the surface to be worked within a hood in order to prevent the ingess of air, thus preventing any oxidisation while softening the materials heated, plough like scrappers (33) combined with high pressure jets (18) to part the bituminous materials from the substate, tubes (34) to convey the material into storage tanks (20), a vacuum system to remove entrapped air/water vapour, temperature controlled discharge nozzles (40) combined with rollers (42) to relay the material, all being mounted on a wheeled chasis and powered with an engine. <IMAGE>
Description
BITUMINOUS SURFACE REMOVING/RELAYING MACHINE
This invention relates to a machine capable of removing and relaying a bituminous or tar and aggregate mix that requires a heat mixing process prior to laying as a working surface on roads and pavements.
Road surface removal machines are well known and vary considerably according to type. Some cause the road surface to be heated and then scrapped while other machines use direct mechanical means of removal such as pneumatic drills or rotary cutters.
These existing methods however, have a high rate ofgwastage due to the damage caused to the actual structure of the surface material.
According to the present invention, there is provided a blanket of oxygen deficient or inert heat source covering the surface to be removed toprevent oxidisation of the material while softening it, heated plough-like scrappers combined with high pressure heated jets to part the bituminous materials from the substract according to the surface make-tip, tubes to convey the material into storage tanks under vacuum to remove any entrapped water or air bubbles, making the material ready for discharge or relaying, temperature controlled discharge nozzles combined with rollers to pemit the relaying of the surface material, all being mount on a wheeled chassis and powered by an engine.
A specific embodiment of the invention will now be described by way of an example with reference to the accompanying drawings in which:
Figure I is a schematic diagram of the bituminous surface removing/relaying machine,
Figure 2 shows the position of the scrapper units relative to the layer formation of a standard road;
Figure 3 illustrates the scrapper heating and jet arrangement;
Figure 4 demonstrates an alternative scrapper assembly; and
Figure 5 depicts the bituminous multi-layer relaying nozzle system.
Refering to the schematic diagram figure I, the bituminous surface removal and relaying machine comprises an engine 10 to provide power to drive the total unit and all electrical/hydraulic ancilaries.
Though a standard type of combustion system would function satisfactorily the necessary heat generated to gain the low oxygen content needed would creat excessive cooling problems.
Therefore in this example the engine 10 exhaust is diverted from atmosphere by valve 11 to the catalytic combustor 12.
The engine exhaust, already partially depleted of oxygen, has fuel metered into the gas stream by nozzle 13 according to the preset requirement of temperature at probe 14.
The temperature 14 set point being varied according to the specific makeup of the bituminous material to be removed. Though temperature in excess of 10000 C can be obtained, the normal operating range is anticipated to be in the region of 2500 C - 3500 C.
This temperature is easily controlled with the use of such fuels as propane, methenol etc. but where petroleum and diesel fuels ase used, the excess temperature is reduced by heat exchanger 15 shown with its own thermostatically controlled fan.
Because of its complex aggregate/multi-layer structure, jets are used to cut through the tar like bitumen and jostle free the aggregate. The medium used can be an inert gas, a butimen constituent or water super heated to steam. The medium to be used is pump 16 through a heat exchanger 17 to the jets 18.
To prevent the bituminous mixture from solidifying, a third exchanger 19 is used to transfer some of the combustion heat to the storage tank 20.
The heated gas blanket is then caused to cover the surface area to be removed by enlargement of the duct. Though the combustion and duct etc.
could be based on a once through system, allowing the gas to escape at the periphery of the duct indicated by arrow(s) 21, a recirculation system is shown. To prevent excessive ingress of air, the duct is surrounded by a flexible skirt 24. The heated inert gas being drawn back by blower 22 and recycled by duct 23 to re-enter the combustion chamber 12.
To prevent oxidisation or combustion of the bituminous surface materials the oxygen content should be less than 8% by volume. Anticipated operating percentage of 1 - 2% would be controlled by the oxygen analyser 26 in conjuction with the temperature requirement indicated by probe 14.
The signals from 14 & 26 being used in controller 27 to operate valve 25 allowing make-up combustion air into the system.
Where immediate relaying of the bituminous surface is required, there is a need to cool the layers to ambient temperature. To prevent the formation of an oxidised film between layers, cooled inert gas is used.
Drawn off by blower 29 through valve 28, the inert gas passes through heat exchanger system 30 prior to being ducted over the relaying area.
Continuous bituminous surface removal (and relaying) is obtained by the forward motion of the machine as indicated by arrow 31. Duct enlargement and shape ensures the the surface 32 to be removed is blanketed by the heated inert gas thus softening it prior to removing/loosening of the aggregate by the heated jets. Collected by the scrapper assembly 33, we would anticipate the use of the vibrator motors to assist in jostling the material free. The loosened aggregate and (now liquid) bitumen is drawn up through the tube 34 into the storage tank 20 by the negative force of blower 35.
This vacuuming action being prefered in the example shown in order to prevent damage to the material. The vibrating screen 36 is used to assist the negative force of the blower 35 to reduce the water vapour and any possible voids in the original material to a minimum.
Once the surface material is within tank 20, the option can be stored (according to tank volume), to discharge to an attendent vehicle via valve 37 or to immediately relay the bituminous material to reform the surface.
Relaying shown in the simplified schematic diagram figure I is achieved by opening valve 38 and allowing the bituminous material to pass down tube 39 to the finned water cooled nozzle 40, assisted by the vibration motor 41 to reduce any possibility of hang-up. With compacting of the surface material being achieved by the roller 42.
Though the requisite function as indicated in figure I could be carried out by single removal nozzle assembly 33 and relaying nozzle 40, the more practical solution is to have a series of nozzles to cater for the differing layers of the modern road.
Figure 2 shows the series of removal nozzle assembly 33 relative to layer formation of construction used in a typical road. This configuration permits the easier separation of the different materials for both storage and relaying. Further as the hot inert gas enters the working area as indicated by arrow 43, the individual surface /layers to be removed are each heated in turn prior to the gases being drawn out of the forward end of the duct as indicated by arrow 21.
Though predominantly used to separate layers, additional nozzle assembly 33 should be used where the thickness of an individual layer dictates the necessity rather than use excessive heat/pressure at the jet 18.
Figure 3 illustrates the bituminous surface removing scrapper nozzle assembly 33. This relies on the forward motion of the machine and is used for ease of explanation in figure 1 & 2. The heated jet 18, when impacting on the surface of the materials to be removed causes the tar like materials to melt thus freeing any aggregate. Vibration of the nozzle assembly 33 enhances the freeing action as well as allowing the aggregate to be jostled rather than crushed by leading edge of the nozzle assembly 33.
An alternative means of surface removal is depicted in figure 4. This traverses or arcs across the machines direction of travel. The direction of travel as indicated by arrow 44 causes the lower shoe 45 to be -pivoted 900 about the support pin 46. In the position shown, the cutting medium passes through the-channel 47 to the bottom jet 48 and to the top jet 49 through channel 50. The material removed being delivered to the storage tank (not shown) by the partial negative pressure in tube 34.
When traversing opposite to the arrow 44, the lower shoe is rocked into the opposite position, causing the jets 51 & 52 and their corresponding channels to be aligned with the heated cutting medium. Adjustable travel stops (not show) being used to limit the width of material removed.
Figure 5 depicts the method used for the relaying of a typical road surface. The approximate figures for the layers 32,53 & 54 being 40 - 60 and 200 mm respectfully.
Under present day conditions, each layer has to be sufficiently hot enough to melt the thick oxidised surface skin of the preceding layer in order to form a bond. There must also be a cooling period to ensure that individual layers do not intermingle.
With the use of an inert gas through, there cannot be oxidisation of the surface, this allows a reduced laying temperature to be used. In addition in using a partial vacuum process, the material is far less prone Lo water vapour penetration and voids. Under these conditions, the bond between each layer will be homogeneous and be less subjected to temperature/cooling stresses.
In figure 5, this temperature control is achieved by the internally finned water cooled jacket 40. A thermostatically controlled external radiator (not shown) being used to vary the temperature to gain optimum laying conditions for individual materials.
In basic terms all layers nozzle assemblies function the same, the valve 38 opens and the material is gravity feed through tube 39 and the water cooled discharge nozzle assemblies being to suit individual layers materials /volume. Vibration motor 41 being used to reduce the possibility of material hang-up.
Because of the differing materials and layers thicknesses, the rollers vary. The first roller 55 on layer 54 is designed to compact and is fabricated from steel internally weighted with cement or similar.
An alternative method of relaying the material to suit the surface removing nozzle depicted in figure 4 is shown for relaying layer 53.
Here the nozzle assembly is caused to traverse or arc across the vehicle's direction of travel supported off the previous layer 54 by roller 56. As described against figure 4, the nozzle assembly travel is limited at each end according to the width of surface material required. The surface is compacted by trailing plate 57 assisted by a vibrator motor 41. The thickness of the layer being determined by nozzle height adjustment and/ or a metering system (not shown).
When using the single removing/relaying nozzle assemblies described in figure 4/for layer 53 it is anticipated that the sides of the inert gas duct would be adjustable to suit the width of the working area(s).
Should any layer requires recycling additives,new aggregate or bituminous products, these would be mixed in the storage tank 20 in accordance with normal practices.
Roller 42 is a pneumatic or water filled unit allowing a smooth rubber face to press down the final top layer without damage to the aggregate.
To ensure the aggregate is slightly proud of the binding bituminous materials, the final surface 32 is vacuumed by assembly 58.
Claims (12)
1 A bituminous surface removing/relaying machine provides a heated inert/oxygen deficient gas to blanket/cover the surface to be worked within a hood in order to prevent the ingess of air, thus preventing any oxidisation while softening the materials heated, plough like scrappers combined with high pressure jets to part the bituminous materials from the substate, tubes to convey the material into storage tanks, a vacuum system to remove entrapped air/water vapour, temperature controlled discharge nozzles combined with rollers to relay the material, all being mounted on a wheeled chasis and powered with an engine.
2 A bituminous surface removal/relaying machine as claimed in Claim 1 where in the temperature and pressure of the inert gas blanket is controlled to suit the specific material to be worked.
3 A bituminous surface removal/relaying machine as claimed in Claim 1 or Claim 2 where in the inert gas blanket is extened in front of the machine/ vehicle to preheat the surface/material to be worked.
4 A bituminous surface removal/relaying machine as claimed in Claim 2 orClaim 3 where in the dimensions of the sides of the hood containing the inert gas blanket can be varied mechanically to suit a specific width of cut/trench.
5 A bituminous surface removal/relaying machine as claimed in Claim 4 where in the maximum heat and velocity/pressure is directed by nozzles at the actual working surface removal point.
6 A bituminous surface removal/relaying machine as claimed in any preceding claims, where in a limited amount of removed surface material can be stored within the machine and be admixed with new/other materials to suit requirements.
7 A bituminous surface removal/relaying machine as claimed in Claim 6 where in the material stored within the machine can be ejected to an attendent or separate vehicle or to one side (the ground)
8 A bituminous surface removal/relaying machine as claimed in Claim 6 where in the material removed,plus any admixed, can be relayed within an inert or oxygen deficient atmosphere.
9 A bituminous surface removal/relaying machine as described here in with references to Figures 1-5 of the accompanying drawing.
10 A bituminous surface removal/relaying machine where in only the removing of a bituminous road surface within an inert/oxygen deficient atmosphere as claimed in Claim 5 is used and standard/existing equipement is used to relay the road as a separate operation.
11 A bituminous surface removal/relaying machine where in only the relaying of a bituminous surface as claimed in Claim 6 is used and standard/existing equipement is used for the surface removal.
12 A bituminous surface removal/relaying machine where in existing equipement is converted to use any part of the invention as described in claims 1 -11 or any of the accompanying drawings/description.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB08623644A GB2199874A (en) | 1986-10-02 | 1986-10-02 | Bituminous surface removing/relaying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB08623644A GB2199874A (en) | 1986-10-02 | 1986-10-02 | Bituminous surface removing/relaying machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB8623644D0 GB8623644D0 (en) | 1986-11-05 |
| GB2199874A true GB2199874A (en) | 1988-07-20 |
Family
ID=10605136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB08623644A Withdrawn GB2199874A (en) | 1986-10-02 | 1986-10-02 | Bituminous surface removing/relaying machine |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2199874A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2668513A1 (en) * | 1990-10-30 | 1992-04-30 | Colas Sa | ROAD VEHICLE FOR THE SPREADING OF REHABILITATION MATERIALS, WITH INTEGRATED COMPACTOR. |
| EP0666373A1 (en) * | 1994-02-04 | 1995-08-09 | Blaw-Knox Construction Equipment Corporation | Asphalt fume reduction system |
| WO2007043966A1 (en) * | 2005-10-10 | 2007-04-19 | Ilmeg Products Ab | System and method for cleaning of asphalt gas |
| GB2547672A (en) * | 2016-02-25 | 2017-08-30 | Rejuvetech Ltd | System and method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113215925A (en) * | 2021-05-31 | 2021-08-06 | 中交第三公路工程局有限公司 | Recovery device and method for on-site asphalt concrete pouring |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB627734A (en) * | 1948-02-05 | 1949-08-15 | Robey & Co Ltd | Improvements in or connected with machines or apparatus for heating and planing-off worn road or other surfaces |
| GB978382A (en) * | 1962-07-13 | 1964-12-23 | Ernest Simms Parkin | Improvements in and relating to road heating and planing machines |
-
1986
- 1986-10-02 GB GB08623644A patent/GB2199874A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB627734A (en) * | 1948-02-05 | 1949-08-15 | Robey & Co Ltd | Improvements in or connected with machines or apparatus for heating and planing-off worn road or other surfaces |
| GB978382A (en) * | 1962-07-13 | 1964-12-23 | Ernest Simms Parkin | Improvements in and relating to road heating and planing machines |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2668513A1 (en) * | 1990-10-30 | 1992-04-30 | Colas Sa | ROAD VEHICLE FOR THE SPREADING OF REHABILITATION MATERIALS, WITH INTEGRATED COMPACTOR. |
| EP0484189A1 (en) * | 1990-10-30 | 1992-05-06 | Colas S.A. | Road vehicle with integral roller for spreading material for road repair |
| US5190399A (en) * | 1990-10-30 | 1993-03-02 | Colas S.A. | Road vehicle for the spreading of materials for repair of the highway, with integrated compactor |
| EP0666373A1 (en) * | 1994-02-04 | 1995-08-09 | Blaw-Knox Construction Equipment Corporation | Asphalt fume reduction system |
| WO2007043966A1 (en) * | 2005-10-10 | 2007-04-19 | Ilmeg Products Ab | System and method for cleaning of asphalt gas |
| GB2547672A (en) * | 2016-02-25 | 2017-08-30 | Rejuvetech Ltd | System and method |
| WO2017144906A1 (en) * | 2016-02-25 | 2017-08-31 | Rejuvetech Ltd | System and method |
| GB2547672B (en) * | 2016-02-25 | 2018-02-21 | Rejuvetech Ltd | System and method |
| CN108699785A (en) * | 2016-02-25 | 2018-10-23 | 瑞尤文泰克有限公司 | system and method |
| US20190063012A1 (en) * | 2016-02-25 | 2019-02-28 | Rejuvetech Ltd | System and method |
| JP2019510149A (en) * | 2016-02-25 | 2019-04-11 | レジュヴェテック リミテッド | System and method |
| US10590614B2 (en) | 2016-02-25 | 2020-03-17 | Rejuvetech Ltd. | System and method |
| AU2017222405B2 (en) * | 2016-02-25 | 2021-11-11 | Rejuvetech Ltd | System and method |
| CN108699785B (en) * | 2016-02-25 | 2022-01-25 | 瑞尤文泰克有限公司 | Asphalt heater system and use thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| GB8623644D0 (en) | 1986-11-05 |
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