CN111644429A - Blind hole pipe cleaning device - Google Patents

Blind hole pipe cleaning device Download PDF

Info

Publication number
CN111644429A
CN111644429A CN202010551969.3A CN202010551969A CN111644429A CN 111644429 A CN111644429 A CN 111644429A CN 202010551969 A CN202010551969 A CN 202010551969A CN 111644429 A CN111644429 A CN 111644429A
Authority
CN
China
Prior art keywords
fixed
plate
screw rod
blind hole
hole pipe
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.)
Pending
Application number
CN202010551969.3A
Other languages
Chinese (zh)
Inventor
陈平
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.)
Jiashan Ronghui Metal Products Co ltd
Original Assignee
Jiashan Ronghui Metal Products 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 Jiashan Ronghui Metal Products Co ltd filed Critical Jiashan Ronghui Metal Products Co ltd
Priority to CN202010551969.3A priority Critical patent/CN111644429A/en
Publication of CN111644429A publication Critical patent/CN111644429A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027Cleaning the internal surfaces; Removal of blockages
    • B08B9/032Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
    • B08B9/0321Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
    • B08B9/0328Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid by purging the pipe with a gas or a mixture of gas and liquid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027Cleaning the internal surfaces; Removal of blockages
    • B08B9/032Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
    • B08B9/0321Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
    • B08B9/0323Arrangements specially designed for simultaneous and parallel cleaning of a plurality of conduits
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/74Feeding, transfer, or discharging devices of particular kinds or types
    • B65G47/90Devices for picking-up and depositing articles or materials
    • B65G47/91Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers
    • B65G47/912Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers provided with drive systems with rectilinear movements only
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/74Feeding, transfer, or discharging devices of particular kinds or types
    • B65G47/90Devices for picking-up and depositing articles or materials
    • B65G47/91Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers
    • B65G47/918Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers with at least two picking-up heads

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)

Abstract

A blind hole pipe cleaning device comprises a frame; a bottom plate is fixed on the rack, a first plate storage mechanism and a second plate storage mechanism for placing a material plate are arranged on the bottom plate, and the material plate is used for placing a blind hole pipe; the automatic feeding device is characterized in that a first support frame and a second support frame which are arranged left and right oppositely are arranged on the bottom plate, a longitudinal screw rod is fixed on the second support frame, a first driving motor for driving the longitudinal screw rod to move is fixed on the outer side of the longitudinal screw rod, a slide rail is fixed on the first support frame, a slide block is arranged on the slide rail in a sliding mode, a first sliding plate is fixed on a movable nut and the slide block of the longitudinal screw rod, a transverse screw rod is fixed on the first sliding plate, a second driving motor for driving the transverse screw rod to move is fixed on the outer side of the transverse screw rod, a second sliding plate is fixed on a movable nut of the transverse screw rod, the second sliding plate extends to the front side, and a material taking mechanism is fixed on the lower side of an.

Description

Blind hole pipe cleaning device
Technical Field
The invention relates to the field of machining, in particular to a blind hole pipe cleaning device.
Background
The blind hole pipe is open at one end and closed at the other end and has a hollow concentric circular section. Can be used for pipelines, thermal equipment, machinery industry, petroleum geological drilling, containers, chemical industry and special purposes. In the processing of the blind hole pipe, some machines grab the blind hole pipe through a clamping jaw, but the surface of the pipe body is easily damaged, and in the application of the blind hole pipe, impurities in the blind hole pipe need to be removed, but the manual removal efficiency is low.
The present invention is an improvement to solve the above problems.
Disclosure of Invention
The invention aims to provide a blind hole pipe cleaning device, so that the defects are overcome.
The technical scheme adopted by the invention for solving the technical problem is as follows:
a blind hole pipe cleaning device comprises a machine frame.
A bottom plate is fixed on the rack, a first plate storage mechanism and a second plate storage mechanism for placing a material plate are arranged on the bottom plate, and the material plate is used for placing a blind hole pipe; the bottom plate is provided with a first support frame and a second support frame which are oppositely arranged on the left and right, a longitudinal screw rod is fixed on the second support frame, a first driving motor for the kinetic energy of the longitudinal screw rod is fixed on the outer side of the longitudinal screw rod, a slide rail is fixed on the first support frame, a slide block is arranged on the slide rail in a sliding manner, a first sliding plate is fixed on a movable nut and the slide block of the longitudinal screw rod, a transverse screw rod is fixed on the first sliding plate, a second driving motor for the kinetic energy of the transverse screw rod is fixed on the outer side of the transverse screw rod, a second sliding plate is fixed on a movable nut of the transverse screw rod, the second sliding plate extends towards the front side, and a material taking mechanism is fixed on the lower side of the extending end of the; the bottom plate is further fixed with two mounting seats oppositely arranged left and right, mounting plates are fixed on the mounting seats, and an inner support cleaning mechanism is arranged on the mounting plates.
Further, the extracting mechanism is including being fixed in the riser of second slide extension end downside, the riser front side is fixed with the lift lead screw, the outside of lift lead screw is fixed with the third driving motor who supplies lift lead screw kinetic energy, be fixed with the fixed plate on the movable nut of lift lead screw, the downside of fixed plate is fixed with a plurality of material cylinders of getting, be fixed with the installation piece on getting the output shaft of material cylinder, install the suction head that is used for absorbing the blind hole pipe on the installation piece.
Further, the clean mechanism of internal stay is including being fixed in a plurality of internal stay cylinders of mounting panel downside, the output of internal stay cylinder be located the upside of mounting panel, its every the output of internal stay cylinder is fixed with two internal stays that cooperate and use, two the blind hole on internal stay and the blind hole pipe suits.
Further, the longitudinal section of interior stay is the semicircle structure, be equipped with three arc wall that is the triangle array and to the inboard sunken on the outside plane of interior stay and the semicircle surface, set up the through-hole in the interior stay, its open end is in the upside and the inboard downside surface that are located interior stay respectively, set up a plurality of air vents in the arc wall, it is a plurality of the air vent is linked together with the through-hole.
Further, the riser rear side is fixed with gets the board lead screw, it is fixed with the fourth driving motor who supplies to get the board lead screw kinetic energy to get the board lead screw outside, it gets the board cylinder to go to be fixed with on getting the movable nut of board lead screw, it is fixed with two splint to get on the output of board cylinder.
Furthermore, the outer side end of the clamping plate is provided with a clamping block bent downwards, and the inner side surface of the clamping block is provided with a clamping groove adaptive to the thickness of the material plate.
Furthermore, the first plate storage mechanism and the second plate storage mechanism have the same structure, the first plate storage mechanism comprises a base plate fixed on a bottom plate, four fixing seats in a rectangular structure are fixed on the base plate, and the material plate is placed between the four fixing seats; and the flitch is provided with a plurality of circular grooves for placing blind hole pipes.
The invention has the advantages that:
according to the blind hole pipe cleaning device, the suction heads are used for sucking and feeding the blind hole pipes, so that the blind hole pipes cannot be damaged; the device supports the fastening through two interior stays on the internal stay cylinder to the blind hole pipe, and is connecting to each other with outside trachea through interior stay is inside for the inside of blind hole pipe can obtain cleanly, and makes clean in-process, and the blind hole pipe can not blown by gas, and the device has improved the machining efficiency of blind hole pipe.
Drawings
FIG. 1 is a front view of a blind hole pipe cleaning device according to the present invention;
FIG. 2 is a rear view of the device;
fig. 3 is a schematic view of the structure of the inner stay in the device.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the invention is further described with reference to the figures and the specific embodiments.
As shown in fig. 1 to 3, a blind hole pipe cleaning device according to the present invention includes a frame 1; a bottom plate 2 is fixed on the rack 1, a first plate storage mechanism and a second plate storage mechanism for placing a material plate are arranged on the bottom plate 2, and the material plate is used for placing a blind hole pipe; the bottom plate 2 is provided with a first support frame 3 and a second support frame 4 which are oppositely arranged left and right, a longitudinal screw rod 5 is fixed on the second support frame 4, a first driving motor 6 for driving the longitudinal screw rod 5 is fixed on the outer side of the longitudinal screw rod 5, a slide rail 7 is fixed on the first support frame 4, a slide block is arranged on the slide rail 7 in a sliding manner, a first slide plate 8 is fixed on a movable nut and the slide block of the longitudinal screw rod 5, a transverse screw rod 9 is fixed on the first slide plate, a second driving motor 10 for driving the transverse screw rod 9 is fixed on the outer side of the transverse screw rod 9, a second slide plate 11 is fixed on the movable nut of the transverse screw rod 9, the second slide plate 11 extends towards the front side, and a material taking mechanism is fixed on the lower side of the extending end of the second slide plate 11; still be fixed with two on the bottom plate 2 and control relative mount pad 12 that sets up, two be fixed with mounting panel 13 on the mount pad 12, be provided with the clean mechanism of internal stay on the mounting panel 13.
The invention is further provided with: the material taking mechanism comprises a vertical plate 14 fixed on the lower side of the extending end of the second sliding plate 11, a lifting screw rod 15 is fixed on the front side of the vertical plate, a third driving motor 16 for driving the lifting screw rod 15 to move is fixed on the outer side of the lifting screw rod 15, a fixing plate 17 is fixed on a movable nut of the lifting screw rod 15, a plurality of material taking cylinders 18 are fixed on the lower side of the fixing plate 17, an installation block 19 is fixed on an output shaft of each material taking cylinder 18, and a suction head which is used for sucking a blind hole pipe is installed on the installation block 19. By adopting the technical scheme, one end of the suction head is connected with the external air pipe, the other end of the suction head is matched with the closed end of the blind hole pipe,
the invention is further provided with: the clean mechanism of internal stay is including being fixed in a plurality of internal stay cylinders 20 of mounting panel 13 downside, the output of internal stay cylinder 20 be located the upside of mounting panel 13, its every the output of internal stay cylinder 20 is fixed with two internal stay 21 that cooperate and use, two the blind hole on internal stay 21 and the blind hole pipe suits. Through adopting above-mentioned technical scheme, absorb the blind hole pipe through extracting mechanism, then place on interior stay, then act through interior stay cylinder for two interior stays that cooperate and use support in the blind hole intraductally, thereby fixed blind hole pipe.
The invention is further provided with: the longitudinal section of the inner stay 21 is of a semicircular structure, three arc-shaped grooves which are triangular arrays and are concave towards the inner side are arranged on the outer plane and the semicircular outer surface of the inner stay 21, through holes are formed in the inner stay 21, the open ends of the through holes are respectively positioned on the outer surfaces of the upper side and the lower side of the inner stay 21, and a plurality of air holes are formed in the arc-shaped grooves and communicated with the through holes. Through adopting above-mentioned technical scheme, through the outside trachea of being connected with the downside end of through-hole for gaseous link up through-hole and air vent, then blow in the blind hole pipe, thereby carry out cleaning work.
The invention is further provided with: the riser 14 rear side is fixed with gets board lead screw 22, it is fixed with the fourth driving motor who supplies to get board lead screw 22 kinetic energy to get the board lead screw 22 outside, it gets board cylinder 23 to go to be fixed with on getting board lead screw 22's the movable nut, it is fixed with two splint 24 on the output of board cylinder 23 to get. Through adopting above-mentioned technical scheme, make to press from both sides the clamp and get the flitch through two splint of drive.
The invention is further provided with: the outer side end of the clamping plate 24 is provided with a clamping block bent downwards, and the inner side surface of the clamping block is provided with a clamping groove adaptive to the thickness of the material plate.
The invention is further provided with: the first plate storage mechanism and the second plate storage mechanism are consistent in structure, the first plate storage mechanism comprises a base plate 25 fixed on the bottom plate 2, four fixing seats 26 in a rectangular structure are fixed on the base plate 25, and the material plate is placed between the four fixing seats 26; and the flitch is provided with a plurality of circular grooves for placing blind hole pipes. Through adopting above-mentioned technical scheme, after the blind hole pipe on the flitch in first deposit the board mechanism is processed, it is intraductal to press from both sides the flitch clamp that will first deposit the inboard and place in the blind hole that the second deposited the board mechanism and process for the operation of the follow-up processing of being convenient for, when first deposit the board mechanism and lack the material, the second deposited the board mechanism and expect fully, then operate through the operator.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.

Claims (7)

1. The utility model provides a blind hole pipe cleaning device, includes frame (1), its characterized in that:
a bottom plate (2) is fixed on the rack (1), a first plate storage mechanism and a second plate storage mechanism for placing a material plate are arranged on the bottom plate (2), and the material plate is used for placing a blind hole pipe; a first supporting frame (3) and a second supporting frame (4) which are oppositely arranged at the left and the right are arranged on the bottom plate (2), a longitudinal screw rod (5) is fixed on the second support frame (4), a first driving motor (6) for driving the longitudinal screw rod (5) is fixed on the outer side of the longitudinal screw rod (5), a sliding rail (7) is fixed on the first support frame (4), a sliding block is arranged on the sliding rail (7) in a sliding way, a first sliding plate (8) is fixed on the movable nut and the sliding block of the longitudinal screw rod (5), a transverse screw rod (9) is fixed on the first sliding plate, a second driving motor (10) for driving the transverse screw rod (9) is fixed on the outer side of the transverse screw rod (9), a second sliding plate (11) is fixed on the movable nut of the transverse screw rod (9), the second sliding plate (11) extends towards the front side, and a material taking mechanism is fixed on the lower side of the extending end of the second sliding plate (11); the bottom plate (2) is further fixed with two mounting seats (12) which are oppositely arranged left and right, a mounting plate (13) is fixed on the mounting seats (12), and an inner support cleaning mechanism is arranged on the mounting plate (13).
2. The blind hole pipe cleaning device according to claim 1, wherein: the material taking mechanism comprises a vertical plate (14) fixed on the lower side of an extending end of a second sliding plate (11), a lifting screw rod (15) is fixed on the front side of the vertical plate, a third driving motor (16) for driving the lifting screw rod (15) to move is fixed on the outer side of the lifting screw rod (15), a fixing plate (17) is fixed on a movable nut of the lifting screw rod (15), a plurality of material taking cylinders (18) are fixed on the lower side of the fixing plate (17), a mounting block (19) is fixed on an output shaft of each material taking cylinder (18), and a suction head which is used for sucking a blind hole pipe is installed on each mounting block (19).
3. The blind hole pipe cleaning device according to claim 1, wherein: the clean mechanism of internal stay is including being fixed in a plurality of internal stay cylinders (20) of mounting panel (13) downside, the output of internal stay cylinder (20) be located the upside of mounting panel (13), its every the output of internal stay cylinder (20) is fixed with two internal stay (21) that cooperate and use, two the blind hole on internal stay (21) and the blind hole pipe suits.
4. A blind hole tube cleaning device according to claim 3, wherein: the longitudinal section of interior stay (21) is the semicircle structure, be equipped with three arc wall that is the triangle array and to the inboard sunken on the outside plane of interior stay (21) and semicircle surface, seted up the through-hole in interior stay (21), its open end is in the upside and the inboard strip downside surface that are located interior stay (21) respectively, seted up a plurality of air vents in the arc wall, it is a plurality of the air vent is linked together with the through-hole.
5. A blind hole tube cleaning device according to claim 2, wherein: the utility model discloses a take board lead screw, including riser (14), board lead screw (22), it is fixed with the fourth driving motor who supplies to get board lead screw (22) kinetic energy to get board lead screw (22) outside, it gets board cylinder (23) to go to be fixed with on the movable nut of getting board lead screw (22), it is fixed with two splint (24) on the output of board cylinder (23) to get.
6. The blind hole pipe cleaning device according to claim 5, wherein: the outer side end of the clamping plate (24) is provided with a clamping block bent downwards, and the inner side surface of the clamping block is provided with a clamping groove adaptive to the thickness of the material plate.
7. The blind hole pipe cleaning device according to claim 5, wherein: the first plate storage mechanism and the second plate storage mechanism are consistent in structure, the first plate storage mechanism comprises a base plate (25) fixed on a bottom plate (2), four fixing seats (26) in a rectangular structure are fixed on the base plate (25), and the material plate is placed between the four fixing seats (26); and the flitch is provided with a plurality of circular grooves for placing blind hole pipes.
CN202010551969.3A 2020-06-17 2020-06-17 Blind hole pipe cleaning device Pending CN111644429A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010551969.3A CN111644429A (en) 2020-06-17 2020-06-17 Blind hole pipe cleaning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010551969.3A CN111644429A (en) 2020-06-17 2020-06-17 Blind hole pipe cleaning device

Publications (1)

Publication Number Publication Date
CN111644429A true CN111644429A (en) 2020-09-11

Family

ID=72344130

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010551969.3A Pending CN111644429A (en) 2020-06-17 2020-06-17 Blind hole pipe cleaning device

Country Status (1)

Country Link
CN (1) CN111644429A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112871823A (en) * 2020-12-25 2021-06-01 无锡奥环智能科技有限公司 Be used for abluent full-automatic intelligent cleaning machine of axle factory front axle
CN113458105A (en) * 2021-07-23 2021-10-01 武汉船用机械有限责任公司 Rudder oil cylinder cleaning device and control method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008307581A (en) * 2007-06-15 2008-12-25 Sanyo Special Steel Co Ltd Device for cleaning tubular material
CN204622447U (en) * 2015-03-09 2015-09-09 福建省石狮市通达电器有限公司 A kind of sheet material grass-hopper
CN105841439A (en) * 2016-05-31 2016-08-10 苏州速腾电子科技有限公司 Cleaning spin-dry equipment with drying function
CN205659948U (en) * 2016-08-15 2016-10-26 徐海艳 Test tube washing degassing unit is used in medical science inspection
CN206676855U (en) * 2017-03-08 2017-11-28 成都蒂森克虏伯富奥弹簧有限公司 Hollow inside pipe wall blows oily equipment
CN208450089U (en) * 2018-05-09 2019-02-01 惠州市东日电子有限公司 Pcb board impurity automatic cleaning apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008307581A (en) * 2007-06-15 2008-12-25 Sanyo Special Steel Co Ltd Device for cleaning tubular material
CN204622447U (en) * 2015-03-09 2015-09-09 福建省石狮市通达电器有限公司 A kind of sheet material grass-hopper
CN105841439A (en) * 2016-05-31 2016-08-10 苏州速腾电子科技有限公司 Cleaning spin-dry equipment with drying function
CN205659948U (en) * 2016-08-15 2016-10-26 徐海艳 Test tube washing degassing unit is used in medical science inspection
CN206676855U (en) * 2017-03-08 2017-11-28 成都蒂森克虏伯富奥弹簧有限公司 Hollow inside pipe wall blows oily equipment
CN208450089U (en) * 2018-05-09 2019-02-01 惠州市东日电子有限公司 Pcb board impurity automatic cleaning apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112871823A (en) * 2020-12-25 2021-06-01 无锡奥环智能科技有限公司 Be used for abluent full-automatic intelligent cleaning machine of axle factory front axle
CN113458105A (en) * 2021-07-23 2021-10-01 武汉船用机械有限责任公司 Rudder oil cylinder cleaning device and control method thereof

Similar Documents

Publication Publication Date Title
CN111644429A (en) Blind hole pipe cleaning device
CN112846874A (en) Rapid fixing clamp for aluminum alloy machining
CN110947828B (en) Copper product punching tool and working method thereof
CN217370270U (en) Adjustable workbench for forging ferrous metal
CN211101758U (en) Numerical control vertical milling machine
CN213441827U (en) Accurate positioning engraving device for molded door panel
CN215432272U (en) Automobile part welding forming tool
CN214003318U (en) Inside absorption of mug snatchs transfer device
CN111702678A (en) Convenient-to-detach tool clamp for metal product machining
CN211333439U (en) Circular groove machine for foam board with automatic feeding function
CN219075427U (en) Cover opening clamp of bread maker
CN211945277U (en) Contact net cantilever assembly line buffer storage bin
CN221047918U (en) Aluminium base board perforating device
CN218822270U (en) Multi-station bearing detection device
CN214136296U (en) Hot cutting equipment
CN219562277U (en) Positioning tool for machining
CN218707526U (en) Mount paper machine paper feeding mechanism
CN221087763U (en) Multi-station automatic welding equipment
CN219901755U (en) Device for removing rust points on surface of iron table and chair plate
CN219562059U (en) Pressure gauge core installation device
CN219598432U (en) Clamping device for processing automobile interior composite board
CN219924356U (en) Automatic punching loading and unloading robot and special grabbing mechanism
CN221065000U (en) Fixing device is used in door and window processing
CN221159038U (en) Automatic feeding mechanism of laser machine
CN219882557U (en) Cutting device for corrugated paper

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
AD01 Patent right deemed abandoned
AD01 Patent right deemed abandoned

Effective date of abandoning: 20230714