CN101863083B - Separated storage and on-site mixing type concrete mixer - Google Patents

Separated storage and on-site mixing type concrete mixer Download PDF

Info

Publication number
CN101863083B
CN101863083B CN2010101808188A CN201010180818A CN101863083B CN 101863083 B CN101863083 B CN 101863083B CN 2010101808188 A CN2010101808188 A CN 2010101808188A CN 201010180818 A CN201010180818 A CN 201010180818A CN 101863083 B CN101863083 B CN 101863083B
Authority
CN
China
Prior art keywords
dumper
storage bin
raw material
chassis
storage
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 - Fee Related
Application number
CN2010101808188A
Other languages
Chinese (zh)
Other versions
CN101863083A (en
Inventor
刘涛
张俊华
黄国体
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HUBEI CENTURY ZHONGYUAN VEHICLES CO Ltd
Original Assignee
HUBEI CENTURY ZHONGYUAN VEHICLES CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HUBEI CENTURY ZHONGYUAN VEHICLES CO Ltd filed Critical HUBEI CENTURY ZHONGYUAN VEHICLES CO Ltd
Priority to CN2010101808188A priority Critical patent/CN101863083B/en
Publication of CN101863083A publication Critical patent/CN101863083A/en
Application granted granted Critical
Publication of CN101863083B publication Critical patent/CN101863083B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)

Abstract

The invention relates to a separated storage and on-site mixing type concrete mixer which has the functions of transportation and dumping of an engineering dumper, and also has the functions of raw material separated storage and on-site concrete mixing and production of a mixing plant. The separated storage and on-site mixing type concrete mixer is characterized by comprising a head end of the dumper and a chassis of the dumper, wherein the chassis is connected with the head end; a vehicular mixing plant is arranged on the chassis as a base; the vehicular mixing plant comprises a raw material separated storage box and a corresponding raw material output mechanism; the raw material output mechanism is arranged on a vertical end plate which is positioned at the tail end of the dumper; the vertical end plate is connected with the chassis; the raw material separated storage box is arranged on the chassis and comprises a sand storage tank, a stone storage tank, a water storage tank and a cement storage box; a bottom frame at the tail end of the dumper is connected with a concrete mixing mechanism; and a peripheral swinging mechanism and a pitch ejecting mechanism are arranged between a mixing and conveying auger and the tail part of the dumper, so that the output opening of the mixing and conveying auger realizes three-dimensional free positioning in a certain range.

Description

Separated storage and on-site mixing type concrete mixer
Technical field
The present invention relates to engineering dump truck and concrete mixing plant technology, particularly a kind of separated storage and on-site mixing type concrete mixer.Said separated storage and on-site mixing type concrete mixer had both had the transportation function of engineering dump truck and from unloading functions, the raw material that has mixing plant simultaneously again divides storage and on-the-spot the stirring to produce concrete function.
Background technology
Concrete mixing plant of the prior art mainly is made up of storing material system, material weighing system, material-transporting system, stirring host and electric control system and other affiliated facilities; Take up an area of big; Investment is big, and the concrete of producing needs special-purpose agitator truck to be sent to construction site.The stirring of said special-purpose agitator truck is a measure that prevents that concrete from solidifying in transportation.
The inventor thinks that the situation that this concrete production and construction site disconnect has brought inconvenience for a lot of engineering constructions; If can utilize the engineering dump truck technology, the concrete mixing plant that makes engineering dump truck carry a microminiaturization is vehicle-mounted mixing plant, and that just can transport and the concrete problem of produced on-site by the package solution raw material, offers convenience to engineering construction.
Summary of the invention
The present invention is directed to the defective or the deficiency that exist in the prior art, a kind of separated storage and on-site mixing type concrete mixer is provided.Said separated storage and on-site mixing type concrete mixer had both had the transportation function of engineering dump truck and from unloading functions, the raw material that has mixing plant simultaneously again divides storage and on-the-spot the stirring to produce concrete function.
Technical scheme of the present invention is following:
Separated storage and on-site mixing type concrete mixer; The chassis that comprises headstock with the dumper that is connected with headstock of dumper; With the chassis is the vehicle-mounted mixing plant of basis instrument; Be installed with power source in the vehicle frame in the dumper chassis of vehicle-mounted mixing plant or in the vehicle frame or under the chassis, vehicle-mounted mixing plant comprises that raw material divides storage tank and corresponding raw material output mechanism, and the raw material output mechanism is installed on the setting end plate that is positioned at the dumper afterbody; Erectting end plate is connected with the chassis; It is characterized in that raw material divides storage tank to be arranged on the chassis, comprise sand storage bin, stone storage bin, water storage bin and cement storage bin; On the underframe of dumper afterbody, be connected with concrete agitating mechanism; Concrete agitating mechanism comprises the funnel and push the stirring that section, refining stir section and concrete transportation section and carry screw feeder with the batch mixing that has that the funnel that connects material can be dynamically connected of connecting material of corresponding raw material output mechanism delivery outlet, stirs between the underframe of carrying screw feeder and dumper afterbody and is provided with circumferential swing mechanism and pitching support agency, is used for realizing stirring conveying screw feeder
, be provided with circumferential swing mechanism and pitching support agency between the underframe of said stirring conveying screw feeder and dumper afterbody, be used to realize stirring carry screw feeder delivery outlet direction 3 D auto within the specific limits to locate.
Said raw material divides storage tank to be provided with case lid.
The fluted disc engaging mechanism that said circumferential swing mechanism is a fluid motor-driven.
Said pitching support agency is a hydraulic mandril mechanism.
Be provided with fluid bed in the said cement storage bin, the top of said cement storage bin is provided with seal cover.
The sidewall of said water storage bin is provided with liquid level gauge, and the top is provided with water inlet and overfall; Said water storage bin directly is connected the funnel that connects material through hydraulic pump with the snap joint pipeline, and at the delivery port place even hydrophone is set.
Said setting end plate is provided with main hydraulic motor, and said main hydraulic motor is connected with final drive shaft, and said final drive shaft connects the sand discharging respectively and stirs power transmission shaft and stone discharging stirring power transmission shaft, and connects cement discharging controlling organization through shifting mechanism.
Said stirring carries screw feeder independently to be provided with hydraulic motor, and said hydraulic motor is positioned to stir carries screw feeder delivery outlet position.
The bottom of said sand storage bin and stone storage bin is connected the chassis lifting mechanism near the part of headstock, to realize sand and the stone blanking to tailstock discharging opening.
The underframe of said concrete agitating mechanism and dumper afterbody is detachable structure; Said setting end plate and cement storage bin and water storage bin are the monolithic devices modular structure; Said sand storage bin and stone storage bin directly are split to form by body of tipper carriage, are respectively arranged with the stretched wire jockey on said monolithic devices modular structure and the said concrete agitating mechanism.
Technique effect of the present invention is following:
Separated storage and on-site mixing type concrete mixer of the present invention; Directly utilized the engineering dump truck technology; The concrete mixing plant that makes engineering dump truck carry a microminiaturization is vehicle-mounted mixing plant, package solution raw material transportation and the concrete problem of produced on-site, offer convenience to engineering construction.Said separated storage and on-site mixing type concrete mixer had both had the transportation function of engineering dump truck and from unloading functions, the raw material that has mixing plant simultaneously again divides storage and on-the-spot the stirring to produce concrete function, can replace the special-purpose agitator truck of available coagulation soil fully.
Description of drawings
Fig. 1 is the separated storage and on-site mixing type concrete mixer structural representation.
Fig. 2 is a separated storage and on-site mixing type concrete mixer lifting structures sketch map.
Fig. 3 is a separated storage and on-site mixing type concrete mixer function distributed architecture sketch map.
Fig. 4 is a raw material output mechanism structural principle sketch map.
Fig. 5 stirs to carry screw feeder structural principle sketch map.
Reference numeral is listed as follows:
The 1-headstock, the 2-chassis, the vehicle-mounted mixing plant of 3-, the 4-raw material divides storage tank, 5-sand storage bin, 6-stone storage bin; 7-water storage bin, 8-cement storage bin, 9-raw material output mechanism, 10-dumper afterbody, 11-erects end plate, 12-case lid; 13-underframe, 14-concrete agitating mechanism, the 15-funnel that connects material, 16-stir carries screw feeder, and the 17-batch mixing pushes section, and the 18-refining stirs section; 19-concrete transportation section, the circumferential swing mechanism of 20-, 21-pitching support agency, 22-fluted disc engaging mechanism, 23-hydraulic mandril mechanism, 24-seal cover; The 25-liquid level gauge, 26-water inlet, 27-overfall, 28-fluid bed, 29-hydraulic pump, 30-master's hydraulic motor; The 31-final drive shaft, power transmission shaft is stirred in the discharging of 32-sand, and power transmission shaft, 34-shifting mechanism, 35-cement discharging controlling organization, 36-hydraulic motor are stirred in the discharging of 33-stone; 37-stirs and carries screw feeder delivery outlet, 38-lifting mechanism, 39-stretched wire, 40-stretched wire jockey, the uncovered baffle plate of 41-, 42-control cabinet.
The specific embodiment
(Fig. 1-Fig. 5) the present invention will be described below in conjunction with accompanying drawing.
Technical conceive of the present invention does; Utilize the engineering dump truck technology; The concrete mixing plant that makes engineering dump truck carry a microminiaturization is vehicle-mounted mixing plant; Thereby realize a kind of separated storage and on-site mixing type concrete mixer on the whole, transportation of package solution raw material and the concrete problem of produced on-site offer convenience to engineering construction.Said separated storage and on-site mixing type concrete mixer had both had the transportation function of engineering dump truck and from unloading functions, the raw material that has mixing plant simultaneously again divides storage and on-the-spot the stirring to produce concrete function, can replace the special-purpose agitator truck of available coagulation soil fully.
Like Fig. 1-shown in Figure 5; Separated storage and on-site mixing type concrete mixer; The chassis 2 that comprises headstock 1 with the dumper that is connected with headstock 1 of dumper; With chassis 2 is the vehicle-mounted mixing plant 3 of basis instrument, vehicle-mounted mixing plant 3 through the chassis power takeoff (on former dumper the chassis in or vehicle frame is interior or the chassis under intrinsic device in the underframe, external power source is provided) obtain power source; Said vehicle-mounted mixing plant 3 comprises that raw material divides storage tank 4 and corresponding raw material output mechanism 9, and said raw material output mechanism 9 is installed on the setting end plate 11 that is positioned at dumper afterbody 10, and said setting end plate 11 is connected with chassis 2; Said raw material divides storage tank 4 to be arranged on the chassis 2, comprises sand storage bin 5, stone storage bin 6, water storage bin 7 and cement storage bin 8; On the underframe 13 of dumper afterbody 10, be connected with concrete agitating mechanism 14; Said concrete agitating mechanism 14 comprises the stirring conveying screw feeder 16 with batch mixing propelling movement section 17, refining stirring section 18 and concrete transportation section 19 that connects material funnel 15 and can be dynamically connected with the funnel 15 that connects material of corresponding raw material output mechanism delivery outlet; Be provided with circumferential swing mechanism 20 and pitching support agency 21 between the underframe 13 of said stirring conveying screw feeder 16 and dumper afterbody, be used to realize stirring conveying screw feeder delivery outlet direction 3 D auto positioning action within the specific limits.Stir and carry screw feeder delivery outlet direction promptly to have an elevation angle up; Can keep flat, even can be down; Simultaneously can wide swing, even can reach 180 degree.Said raw material divides storage tank to be provided with case lid 12.Said circumferential swing mechanism can adopt the fluted disc engaging mechanism 22 of fluid motor-driven.Said pitching support agency can adopt hydraulic mandril mechanism 23.In the said cement storage bin 8 fluid bed 28 can be set, fluid bed can keep the flowability of cement, prevents to harden.The top of said cement storage bin 8 is provided with seal cover 24.The sidewall of said water storage bin 7 can be provided with liquid level gauge 25, and the top of water storage bin 7 is provided with water inlet 26 and overfall 27; Said water storage bin 7 directly is connected the funnel 15 that connects material through hydraulic pump 29 with the snap joint pipeline, and at the delivery port place even hydrophone is set, so that even moistening cement.Even hydrophone can be to block delivery port with rubber, lets water spray with the spray shape.Said setting end plate 11 is provided with main hydraulic motor 30; Said main hydraulic motor 30 is connected with final drive shaft 31; Said final drive shaft 31 connects the sand discharging respectively and stirs power transmission shaft 32 and stone discharging stirring power transmission shaft 33, and connects cement discharging controlling organizations 35 through shifting mechanism 34.Shifting mechanism 34 can be provided with several gears, the cement of the corresponding different labels of different gears, be suitable for different labels cement to batch mixing than (cement: sand: demands of different stone).Said stirring carries screw feeder 16 independently to be provided with hydraulic motor 36, and said hydraulic motor 36 can be positioned to stir carries screw feeder delivery outlet position.Stir and carry screw feeder delivery outlet position at a end away from the tailstock.Stir and carry position, screw feeder input port at a end near the tailstock.The bottom of said sand storage bin 5 and stone storage bin 5 is connected the lifting mechanism 38 on the chassis 2 near the part of headstock 1, to realize sand and the stone blanking to tailstock discharging opening.Do not having case lid 12, or under the case lid situation about opening, utilizing uncovered baffle plate 41 to prevent that raw material from overflowing.Erect end plate 11 and be provided with control cabinet 42.
The underframe of said concrete agitating mechanism and dumper afterbody is detachable structure; Said setting end plate and cement storage bin and water storage bin are the monolithic devices modular structure; Said sand storage bin and stone storage bin directly are split to form by body of tipper carriage, are respectively arranged with stretched wire jockey 40 on the rabbling mechanism on said monolithic devices modular structure and the said coagulation.Stretched wire jockey 40 makes through stretched wire 39 and promptly stirs concrete agitating mechanism 14 and carry screw feeder 16 perks.
Fig. 1 is the separated storage and on-site mixing type concrete mixer structural representation.As shown in Figure 1, separated storage and on-site mixing type concrete mixer can be realized the transportation function of engineering dump truck and from unloading functions, also can replace the special-purpose agitator truck of available coagulation soil fully.Can load cement, water, stone and sand and transport, the back of reaching the spot is through vehicle-mounted mixing plant Direct Production concrete.
Fig. 2 is a separated storage and on-site mixing type concrete mixer lifting structures sketch map.As shown in Figure 2; Separated storage and on-site mixing type concrete mixer makes raw material divide storage tank to obtain gradient through lifting structures; And can realize raw material output mechanism delivery outlet and the corresponding joint that connects material between the funnel simultaneously, realize the on-the-spot material of the leakage production of not having, satisfy requirement on environmental protection.Do not having case lid 12, or under the case lid situation about opening, utilizing uncovered baffle plate 41 to prevent that raw material from dividing storage tank that raw material takes place and overflowing after inclination.
Fig. 3 is a separated storage and on-site mixing type concrete mixer function distributed architecture sketch map.As shown in Figure 3, separated storage and on-site mixing type concrete mixer has raw material and divides the storage district, and bottom, whole compartment is divided into two districts, and promptly the length in two districts all is equal to car length.Be sand on one side, another side is a stone, and the centre can be a dividing plate.Two districts of distribution socket type structure above the compartment rear, inner core inside is the cement district, is the pool between inner core and the urceolus.Through falling into the funnel that connects material simultaneously after the output of screw feeder helical blade axle, also have cement to fall into the funnel that connects material simultaneously when sand in the separated storage and on-site mixing type concrete mixer and stone output, have water to inject in the funnel that connects material.Get into after sand, stone, cement and water mix to stir and carry screw feeder.
Fig. 4 is a raw material output mechanism structural principle sketch map.As shown in Figure 4; Concentrate on the setting end plate of separated storage and on-site mixing type concrete mixer main raw material output mechanism is arranged; The raw material output mechanism can be controlled the output speed of raw material, makes that sand, stone, cement and water can be according to predefined ratio and measure index outputs.Erect on the end plate and also be provided with control cabinet and transmission mechanism and fluid pressure drive device.Therefore, erectting end plate is that a function is assembled template.
Fig. 5 stirs to carry screw feeder structural principle sketch map.As shown in Figure 5, the stirring of separated storage and on-site mixing type concrete mixer carries screw feeder to have multinomial function, and functions such as the propelling movement of collection batch mixing, refining stirring and concrete conveying are one.
Should be pointed out that the above embodiment can make those skilled in the art more fully understand the present invention, but do not limit the present invention in any way.

Claims (10)

1. separated storage and on-site mixing type concrete mixer; The chassis that comprises headstock with the dumper that is connected with headstock of dumper; With the chassis is the vehicle-mounted mixing plant of basis instrument; Be installed with power source in the vehicle frame in the dumper chassis of vehicle-mounted mixing plant or in the vehicle frame or under the chassis, said vehicle-mounted mixing plant comprises that raw material divides storage tank and corresponding raw material output mechanism, and said raw material output mechanism is installed on the setting end plate that is positioned at the dumper afterbody; Said setting end plate is connected with the chassis; It is characterized in that said raw material divides storage tank to be arranged on the chassis, comprise sand storage bin, stone storage bin, water storage bin and cement storage bin; On the underframe of dumper afterbody, be connected with concrete agitating mechanism; Said concrete agitating mechanism comprises the funnel and push the stirring that section, refining stir section and concrete transportation section and carry screw feeder with the batch mixing that has that the funnel that connects material can be dynamically connected of connecting material of corresponding raw material output mechanism delivery outlet, and said stirring is carried between the underframe of screw feeder and dumper afterbody and is provided with circumferential swing mechanism and pitching support agency, is used to realize stirring conveying screw feeder delivery outlet direction 3 D auto within the specific limits and locatees.
2. separated storage and on-site mixing type concrete mixer according to claim 1 is characterized in that said raw material divides storage tank to be provided with case lid.
3. separated storage and on-site mixing type concrete mixer according to claim 1 is characterized in that, the fluted disc engaging mechanism that said circumferential swing mechanism is a fluid motor-driven.
4. separated storage and on-site mixing type concrete mixer according to claim 1 is characterized in that, said pitching support agency is a hydraulic mandril mechanism.
5. separated storage and on-site mixing type concrete mixer according to claim 1 is characterized in that, is provided with fluid bed in the said cement storage bin, and the top of said cement storage bin is provided with seal cover.
6. separated storage and on-site mixing type concrete mixer according to claim 1 is characterized in that the sidewall of said water storage bin is provided with liquid level gauge, and the top is provided with water inlet and overfall; Said water storage bin directly is connected the funnel that connects material through hydraulic pump with the snap joint pipeline, and at the delivery port place even hydrophone is set.
7. separated storage and on-site mixing type concrete mixer according to claim 1; It is characterized in that; Said setting end plate is provided with main hydraulic motor; Said main hydraulic motor is connected with final drive shaft, and said final drive shaft connects the sand discharging respectively and stirs power transmission shaft and stone discharging stirring power transmission shaft, and connects cement discharging controlling organization through shifting mechanism.
8. separated storage and on-site mixing type concrete mixer according to claim 1 is characterized in that, said stirring carries screw feeder independently to be provided with hydraulic motor, and said hydraulic motor is positioned to stir carries screw feeder delivery outlet position.
9. separated storage and on-site mixing type concrete mixer according to claim 1 is characterized in that, the bottom of said sand storage bin and stone storage bin is connected the chassis lifting mechanism near the part of headstock, to realize sand and the stone blanking to tailstock discharging opening.
10. separated storage and on-site mixing type concrete mixer according to claim 1; It is characterized in that; The underframe of said concrete agitating mechanism and dumper afterbody is detachable structure; Said setting end plate and cement storage bin and water storage bin are the monolithic devices modular structure, and said sand storage bin and stone storage bin directly are split to form by body of tipper carriage, are respectively arranged with the stretched wire jockey on said monolithic devices modular structure and the said concrete agitating mechanism.
CN2010101808188A 2010-05-24 2010-05-24 Separated storage and on-site mixing type concrete mixer Expired - Fee Related CN101863083B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010101808188A CN101863083B (en) 2010-05-24 2010-05-24 Separated storage and on-site mixing type concrete mixer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010101808188A CN101863083B (en) 2010-05-24 2010-05-24 Separated storage and on-site mixing type concrete mixer

Publications (2)

Publication Number Publication Date
CN101863083A CN101863083A (en) 2010-10-20
CN101863083B true CN101863083B (en) 2012-07-18

Family

ID=42955100

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010101808188A Expired - Fee Related CN101863083B (en) 2010-05-24 2010-05-24 Separated storage and on-site mixing type concrete mixer

Country Status (1)

Country Link
CN (1) CN101863083B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102581955B (en) * 2012-03-14 2014-07-02 中建商品混凝土有限公司 Environmental-friendly vehicle-mounted concrete stirring system and method for carrying out concrete mixing by using same
CN102615708A (en) * 2012-04-28 2012-08-01 宁波市鄞州创新建筑机械有限公司 Concrete mixer
CN104802310A (en) * 2014-10-20 2015-07-29 湖南省湘工重工有限公司 Vehicle-mounted movable mixing plant with delivery pump
CN104589504B (en) * 2014-12-31 2018-06-05 三一汽车制造有限公司 Wet mixing mortar stirs pump truck and its control method
CN104552606B (en) * 2014-12-31 2017-06-13 三一汽车制造有限公司 Wet mixing mortar produces vehicle
CN108189241A (en) * 2018-03-10 2018-06-22 冯秉健 Truck mixer

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6790275B2 (en) * 2001-09-25 2004-09-14 W. R. Grace & Co.-Conn. Pumpably verifiable fluid fiber compositions
CN2744779Y (en) * 2004-04-27 2005-12-07 黄国宝 Concrete manufacturing vehicle
JP2008068608A (en) * 2006-09-15 2008-03-27 Kazushi Obara Recycling of mortar adhering to truck agitator

Also Published As

Publication number Publication date
CN101863083A (en) 2010-10-20

Similar Documents

Publication Publication Date Title
CN101863083B (en) Separated storage and on-site mixing type concrete mixer
CN201249486Y (en) On-vehicle mobile mixing plant
CN102094530B (en) Arm support type concrete mixing pump truck
CN101913203B (en) Tire type on-line traveling cement emulsified asphalt mortar stirring and pouring vehicle
CN201856298U (en) Separate storage on-site mixing type concrete mixer truck
CN203569893U (en) Oil-electric hybrid vehicle-mounted concrete pump with forced mixer
CN101629403B (en) Universal stirring pumping perfusion vehicle for high-low elastic modulus cement emulsified asphalt mortar
CN108609405A (en) A kind of charging device for coating material production
CN206690331U (en) A kind of automatic agitator tank for loading concrete mixer truck
CN104589504A (en) Wet mix mortar mixing pump truck and control method thereof
US3228663A (en) Mortar mixer
CN203510468U (en) Single horizontal shaft forced concrete mixer
CN104552605B (en) Mixing pump truck for wet-mixed mortar
CN207841754U (en) Infiltration type powder mixer structure
CN207888902U (en) Intermittent mixing apparatus of powdery row material
CN108905865A (en) A kind of highway concrete mixed in transit device and its application method
CN201960666U (en) Mixing blade, vehicle-mounted mortar mixing blade as well as mortar mixing transport vehicle
CN207841755U (en) Environment-friendly type intermittent foam soil processing unit (plant) for highway infrastructures
CN104552606A (en) Wet-mixed mortar production vehicle
BE1024916B1 (en) Method for manufacturing concrete mortar by means of a floating concrete plant
CN206838010U (en) A kind of material mix device
CN201394441Y (en) Dry-mixed material storage tank built-in mixing machine
CN207827216U (en) Closed powder material quantitative feedway
CN201495461U (en) Universal stirring pumping perfusion vehicle for high-low elastic modulus cement emulsified asphalt mortar
JP7187062B1 (en) Ready-mixed concrete manufacturing plant

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120718

Termination date: 20180524

CF01 Termination of patent right due to non-payment of annual fee