CN112357236A - Energy-saving pillow type packaging machine hot press device - Google Patents

Energy-saving pillow type packaging machine hot press device Download PDF

Info

Publication number
CN112357236A
CN112357236A CN202011352345.5A CN202011352345A CN112357236A CN 112357236 A CN112357236 A CN 112357236A CN 202011352345 A CN202011352345 A CN 202011352345A CN 112357236 A CN112357236 A CN 112357236A
Authority
CN
China
Prior art keywords
hot
energy
hot pressing
conveying belt
packaging 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Withdrawn
Application number
CN202011352345.5A
Other languages
Chinese (zh)
Inventor
陈永良
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN202011352345.5A priority Critical patent/CN112357236A/en
Publication of CN112357236A publication Critical patent/CN112357236A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10Applying or generating heat or pressure or combinations thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B35/00Supplying, feeding, arranging or orientating articles to be packaged
    • B65B35/10Feeding, e.g. conveying, single articles
    • B65B35/16Feeding, e.g. conveying, single articles by grippers
    • B65B35/18Feeding, e.g. conveying, single articles by grippers by suction-operated grippers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B35/00Supplying, feeding, arranging or orientating articles to be packaged
    • B65B35/10Feeding, e.g. conveying, single articles
    • B65B35/24Feeding, e.g. conveying, single articles by endless belts or chains
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B61/00Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B61/00Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/04Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages
    • B65B61/06Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting
    • B65B61/065Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting by punching out
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B65/00Details peculiar to packaging machines and not otherwise provided for; Arrangements of such details

Abstract

The invention relates to the technical field of packaging equipment and discloses an energy-saving hot-pressing device of a pillow type packaging machine, which comprises a base, wherein a conveying belt is arranged in the middle of the base, baffle plates are arranged on two sides of the upstream of the conveying belt, a mounting seat is fixedly arranged above the base at the tail end of the conveying belt, an action support is fixedly connected in the middle of the mounting seat, adsorbers are arranged on two sides of the action support along the direction of the conveying belt, a plurality of vacuum tubes are arranged inside the adsorbers, a crankshaft is arranged above the inside of the action support, a connecting rod is movably connected to the outer ring of the crankshaft close to the mounting seat, a hot-. This energy-saving pillow package machine hot press unit drives the connecting rod through the bent axle and rotates the minimum after, and the cutting knife is followed earlier and is packed up, and two hot pressing pieces are withdrawed the heat preservation chamber again, realize only when hot pressing operation, and the high temperature device exposes, has effectively reduced calorific loss, reduces the energy consumption, avoids high temperature to the conduction of surrounding environment simultaneously.

Description

Energy-saving pillow type packaging machine hot press device
Technical Field
The invention relates to the technical field of packaging equipment, in particular to a hot-pressing device of an energy-saving pillow type packaging machine.
Background
The pillow type packaging machine is widely applied to the packaging of various products due to the advantages of high packaging speed, sealing, small occupied area and the like. Wherein the most central part hot pressing head is through encapsulating the product in its inside with wrapping bag thermal bonding, two continuous products are separated from the junction through follow-up rotary cutter again, current pillow type packagine machine adopts the hot pressing head of roll formula more, in the course of the work, the device that generates heat rotates along with the pivot, expose in the air, cause a large amount of thermal losses, the ambient temperature has been heated, in food package, adverse effect has been caused, and the packagine machine cutting knife that uses this kind of hot pressing component is located the rear portion, need extra transmission system or motor drive, make equipment structure more complicated.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the hot pressing device of the energy-saving pillow type packaging machine, which has the advantages of integrating hot pressing and cutting processes, reducing the conduction of heat to the surrounding environment in the hot pressing process and solving the problems in the background art.
(II) technical scheme
In order to realize the purposes of integrating hot pressing and cutting procedures and reducing the conduction of heat to the surrounding environment in the hot pressing process, the invention provides the following technical scheme: a hot pressing device of an energy-saving pillow type packaging machine comprises a base, wherein a conveying belt is arranged in the middle of the base, baffles are arranged on two sides of the upstream of the conveying belt, a mounting seat is fixedly arranged above the tail end of the conveying belt of the base, an action support is fixedly connected in the middle of the mounting seat, adsorbers are arranged on two sides of the action support along the direction of the conveying belt, a plurality of vacuum tubes are arranged inside the adsorbers, a crankshaft is arranged above the inside of the action support, the outer ring of the crankshaft close to the mounting seat is movably connected with a connecting rod, the lower end of the connecting rod is movably connected with a hot pressing support, a high-temperature block is arranged inside the hot pressing support, a cutting knife is arranged in the high-temperature block extending from the center of the lower end of the hot pressing support, a heat preservation, the lower extreme fixedly connected with hot pressing piece of spring beam, the below of high temperature piece is provided with the propelling movement wheel, the outer wall of propelling movement wheel is provided with a plurality of filler blocks.
Preferably, the lower end of the adsorber is provided with an adsorption nozzle in a vertical conveying belt.
Preferably, both ends of the crankshaft extend into the mounting seat to be coupled with the driving motor.
Preferably, the hot pressing support is arranged in a groove which limits the motion support to move only up and down, and the semi-wrapping of the hot pressing support is sleeved outside the high-temperature block.
Preferably, the high-temperature block is made of a material with a poor heat conductivity coefficient, and a hollow groove for accommodating the cutter to move up and down is formed in the middle of the high-temperature block.
Preferably, the upper end of the spring rod is provided with a spring movably connected with the hot-pressing support, and the lower end of the spring rod extends into the heat-insulating cavity and is movably connected with the upper end of the hot-pressing block.
Preferably, the surface of the backing block is a high-temperature resistant plane matched with the hot-pressing block.
(III) advantageous effects
Compared with the prior art, the invention provides an energy-saving hot pressing device of a pillow type packaging machine, which has the following beneficial effects:
1. according to the energy-saving hot pressing device of the pillow type packaging machine, when the packaging operation is carried out through the absorber, products conveyed to the tail end of the conveying belt and packaging bags covered on the surface are sucked, so that the auxiliary products are continuously pushed forwards, meanwhile, hot air heated by the middle hot pressing device is sucked away, and the internal temperature of the device is effectively controlled not to be in convection with ambient air.
2. This energy-saving pillow package machine hot press unit drives the connecting rod through the bent axle and rotates the minimum after, and the cutting knife is followed earlier and is packed up, and two hot pressing pieces are withdrawed the heat preservation chamber again, realize only when hot pressing operation, and the high temperature device exposes, has effectively reduced calorific loss, reduces the energy consumption, avoids high temperature to the conduction of surrounding environment simultaneously.
Drawings
FIG. 1 is a front view of the main structure of the present invention;
FIG. 2 is a schematic top view of the mounting structure of the present invention;
FIG. 3 is a side view of the present invention action bracket structure;
FIG. 4 is a schematic view of a hot-press structure according to the present invention;
FIG. 5 is an enlarged view of portion A of FIG. 3 according to the present invention.
In the figure: 1. a base; 2. a conveyor belt; 3. a baffle plate; 4. a mounting seat; 5. an action bracket; 6. an adsorber; 7. a vacuum tube; 8. a crankshaft; 9. a connecting rod; 10. hot-pressing the bracket; 11. a high-temperature block; 12. a cutting knife; 13. a heat preservation cavity; 14. a spring lever; 15. hot pressing blocks; 16. a push wheel; 17. a backing block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an energy-saving hot pressing device for pillow type packing machine comprises a base 1, a conveyor belt 2 is arranged in the middle of the base 1, baffles 3 are arranged on two sides of the upstream of the conveyor belt 2, a mounting seat 4 is fixedly arranged above the base 1 at the tail end of the conveyor belt 2, an action support 5 is fixedly connected in the middle of the mounting seat 4, adsorbers 6 are arranged on two sides of the action support 5 along the direction of the conveyor belt 2, the lower end of each adsorber 6 is provided with an adsorption nozzle perpendicular to the conveyor belt 2, a plurality of vacuum tubes 7 are arranged inside each adsorber 6, a crankshaft 8 is arranged above the inside of the action support 5, two ends of the crankshaft 8 extend into the mounting seat 4 and are coupled with a driving motor, a connecting rod 9 is movably connected to the outer ring of the crankshaft 8 close to the mounting seat 4, a hot pressing support 10 is movably connected to the lower end of the connecting, its half parcel cup joints in high temperature block 11 outsidely, the center of hot pressing support 10 lower extreme extends into high temperature block 11 and is provided with cutting knife 12, high temperature block 11 uses the relatively poor material of coefficient of heat conductivity, the middle part is seted up and is held the dead slot that cutting knife 12 reciprocated, the inside that high temperature block 11 is located cutting knife 12 both sides is provided with heat preservation chamber 13, the inside lower extreme of hot pressing support 10 extends into heat preservation chamber 13 and is provided with spring beam 14, the lower extreme fixedly connected with hot pressing block 15 of spring beam 14, spring beam 14 upper end is provided with spring and hot pressing support 10 swing joint, the lower extreme extends into in heat preservation chamber 13 and hot pressing block 15 upper end swing joint, the below of high temperature block 11 is provided with propelling movement wheel 16, the outer wall of propelling movement wheel 16 is provided with a plurality of filler blocks 17, filler block 17 surface is the high temperature.
The working principle is as follows: according to the hot pressing device of the energy-saving pillow type packaging machine, the two sides of the action support 5 along the direction of the conveying belt 2 are provided with the absorbers 6, the lower ends of the absorbers 6 are vertical to the conveying belt 2 and are provided with the adsorption nozzles, when the packaging operation is carried out, the absorbers 6 suck the products conveyed to the tail end of the conveying belt 2 and the packaging bags covered on the surface through negative pressure in the vacuum pipes 7, and then the products are continuously pushed forwards through rotation of the pushing wheel 16. Meanwhile, the adsorbers 6 arranged at two sides suck hot air heated by the hot pressing device in the middle, so that the internal temperature of the device is effectively controlled not to be convected with ambient air, and the ambient temperature is heated.
The outer ring of the crankshaft 8 close to the mounting seat 4 is movably connected with a connecting rod 9, the lower end of the connecting rod 9 is movably connected with a hot-pressing support 10, a high-temperature block 11 is arranged inside the hot-pressing support 10, the center of the lower end of the hot-pressing support 10 extends into the high-temperature block 11 and is provided with a cutting knife 12, the lower end inside the hot-pressing support 10 extends into a heat preservation cavity 13 and is provided with a spring rod 14, the lower end of the spring rod 14 is fixedly connected with a hot-pressing block 15, when a product with a packaging bag covered on the surface is sent to the position below the high-temperature block 11, the crankshaft 8 rotates to drive the connecting rod 9 to push the hot-pressing support 10 downwards, the hot-pressing support 10 firstly pushes the hot-pressing block 15 to move downwards integrally to press the packaging bag on the surface of a lining block 17, the spring rod. After crankshaft 8 drives connecting rod 9 and rotates the minimum, cutting knife 12 is followed earlier and is packed up, and heat preservation chamber 13 is regained to two hot pressing blocks 15 again, realizes only when hot pressing operation, and the high temperature device exposes, has effectively reduced calorific loss, reduces the energy consumption, avoids high temperature to the conduction of surrounding environment simultaneously.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides an energy-saving pillow packagine machine hot press unit, includes base (1), its characterized in that: the automatic cleaning device is characterized in that a conveying belt (2) is arranged in the middle of a base (1), baffle plates (3) are arranged on two sides of the upper portion of the conveying belt (2), a mounting seat (4) is fixedly arranged above the tail end of the conveying belt (2) of the base (1), an action support (5) is fixedly connected to the middle of the mounting seat (4), adsorbers (6) are arranged on two sides of the action support (5) along the direction of the conveying belt (2), a plurality of vacuum tubes (7) are arranged inside the adsorbers (6), a crankshaft (8) is arranged above the inside of the action support (5), a connecting rod (9) is movably connected to the outer ring of the crankshaft (8) close to the mounting seat (4), a hot-pressing support (10) is movably connected to the lower end of the connecting rod (9), a high-temperature block (11) is arranged inside the hot-pressing support (10), and a cutting, the inside that high temperature piece (11) are located cutting knife (12) both sides is provided with heat preservation chamber (13), the inside lower extreme of hot pressing support (10) extends into and is provided with spring beam (14) in heat preservation chamber (13), the lower extreme fixedly connected with hot pressing piece (15) of spring beam (14), the below of high temperature piece (11) is provided with push wheel (16), the outer wall of push wheel (16) is provided with a plurality of filler blocks (17).
2. The hot pressing device of the energy-saving pillow type packaging machine according to claim 1, wherein: and an adsorption nozzle is arranged at the lower end of the adsorber (6) and is vertical to the conveyor belt (2).
3. The hot pressing device of the energy-saving pillow type packaging machine according to claim 1, wherein: and two ends of the crankshaft (8) extend into the mounting seat (4) and are coupled with the driving motor.
4. The hot pressing device of the energy-saving pillow type packaging machine according to claim 1, wherein: the hot-pressing support (10) is arranged in a groove which limits the motion support (5) to move only up and down, and the semi-wrapping of the hot-pressing support is sleeved outside the high-temperature block (11).
5. The hot pressing device of the energy-saving pillow type packaging machine according to claim 1, wherein: the high-temperature block (11) is made of a material with a poor heat conductivity coefficient, and the middle part of the high-temperature block is provided with a hollow groove for accommodating the cutter (12) to move up and down.
6. The hot pressing device of the energy-saving pillow type packaging machine according to claim 1, wherein: the upper end of the spring rod (14) is provided with a spring which is movably connected with the hot-pressing bracket (10), and the lower end of the spring rod extends into the heat preservation cavity (13) and is movably connected with the upper end of the hot-pressing block (15).
7. The hot pressing device of the energy-saving pillow type packaging machine according to claim 1, wherein: the surface of the filler block (17) is a high-temperature resistant plane matched with the hot-pressing block (15).
CN202011352345.5A 2020-11-27 2020-11-27 Energy-saving pillow type packaging machine hot press device Withdrawn CN112357236A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011352345.5A CN112357236A (en) 2020-11-27 2020-11-27 Energy-saving pillow type packaging machine hot press device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011352345.5A CN112357236A (en) 2020-11-27 2020-11-27 Energy-saving pillow type packaging machine hot press device

Publications (1)

Publication Number Publication Date
CN112357236A true CN112357236A (en) 2021-02-12

Family

ID=74536381

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011352345.5A Withdrawn CN112357236A (en) 2020-11-27 2020-11-27 Energy-saving pillow type packaging machine hot press device

Country Status (1)

Country Link
CN (1) CN112357236A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114560143A (en) * 2022-03-14 2022-05-31 于洋 Bag sealing device for packaging machinery and bag sealing method thereof

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3415704A (en) * 1964-08-14 1968-12-10 Rotostar S P A Heat sealing of plastics film
CN1124220A (en) * 1993-06-21 1996-06-12 伊利诺斯工具制造公司 Improved machine for applying carrier stock to containers, such as beverage sans, selectively in rim-applied or side applied position
CN1546353A (en) * 2003-12-11 2004-11-17 李喜良 Full-automatic high speed piling and packing machine
CN101648608A (en) * 2009-09-04 2010-02-17 安庆市恒昌机械制造有限责任公司 Sealing mechanism of disposable hygienic article packing device
CN204489337U (en) * 2015-01-19 2015-07-22 广州市兴世机械制造有限公司 A kind of paper diaper envelope pressure assembly and paper diaper wrapping machine
CN106956800A (en) * 2017-04-26 2017-07-18 福建省安溪县兴安金属有限公司 Vacuumized and bilateral heat-sealing device for outer in pure electronic shaping packing machine
CN109502106A (en) * 2018-12-21 2019-03-22 北京鑫实创意包装机械有限公司 A kind of tool apron connection component and sealing-cutting device
CN110641772A (en) * 2019-11-02 2020-01-03 淄博友利机电设备有限公司 Film heat-sealing knife
CN209988208U (en) * 2019-04-12 2020-01-24 四川和蓉汇食品有限公司 Pillow type packaging machine capable of improving sealing effect
CN210761611U (en) * 2019-08-02 2020-06-16 成都雅洁包装有限公司 Hot melting knife heat insulation mechanism of hot melting edge machine

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3415704A (en) * 1964-08-14 1968-12-10 Rotostar S P A Heat sealing of plastics film
CN1124220A (en) * 1993-06-21 1996-06-12 伊利诺斯工具制造公司 Improved machine for applying carrier stock to containers, such as beverage sans, selectively in rim-applied or side applied position
CN1546353A (en) * 2003-12-11 2004-11-17 李喜良 Full-automatic high speed piling and packing machine
CN101648608A (en) * 2009-09-04 2010-02-17 安庆市恒昌机械制造有限责任公司 Sealing mechanism of disposable hygienic article packing device
CN204489337U (en) * 2015-01-19 2015-07-22 广州市兴世机械制造有限公司 A kind of paper diaper envelope pressure assembly and paper diaper wrapping machine
CN106956800A (en) * 2017-04-26 2017-07-18 福建省安溪县兴安金属有限公司 Vacuumized and bilateral heat-sealing device for outer in pure electronic shaping packing machine
CN109502106A (en) * 2018-12-21 2019-03-22 北京鑫实创意包装机械有限公司 A kind of tool apron connection component and sealing-cutting device
CN209988208U (en) * 2019-04-12 2020-01-24 四川和蓉汇食品有限公司 Pillow type packaging machine capable of improving sealing effect
CN210761611U (en) * 2019-08-02 2020-06-16 成都雅洁包装有限公司 Hot melting knife heat insulation mechanism of hot melting edge machine
CN110641772A (en) * 2019-11-02 2020-01-03 淄博友利机电设备有限公司 Film heat-sealing knife

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114560143A (en) * 2022-03-14 2022-05-31 于洋 Bag sealing device for packaging machinery and bag sealing method thereof
CN114560143B (en) * 2022-03-14 2024-03-29 于洋 Bag sealing device and bag sealing method for packaging machinery

Similar Documents

Publication Publication Date Title
CN201501546U (en) Flexible continuous transparent paper supply device for packaging machine
CN212313974U (en) Full-automatic vacuum packaging machine set
CN112357236A (en) Energy-saving pillow type packaging machine hot press device
CN215751056U (en) Inner bag and outer bag bonding mechanism of double-layer bag
CN210083717U (en) Bag opening vertical dust removal device of heat seal sealing machine for packaging bags in packaging production line
CN219055299U (en) Suction device of plastic suction machine
CN205615804U (en) Collect and launch bellows glue in an automatic joint sealing mechanism of an organic whole
CN209553598U (en) A kind of full-automatic single piece type carton hot melt adhesive packaging system
CN103407607A (en) Multipurpose adjustable chamber-free vacuumizing thermal bag sealing device
CN203392024U (en) Multi-purpose adjustable no-chamber vacuumization heat-sealing packaging device
CN112061501B (en) Automatic glass cup boxing equipment and control method
CN205499516U (en) Plastic bag closing device of high pressure heater thermal efficiency
CN219154911U (en) Sealing device for instant food packaging bag
CN208134727U (en) High-speed vacuum machine
CN205499505U (en) Plastic packaging bag seals processing apparatus
CN112478317A (en) Vacuum suction hot-pressing bag opening sealing mechanism in food packaging line
CN217100736U (en) Full-automatic box-clamping air-conditioning packaging machine
CN206485600U (en) For fully-automatic thermal-formation vacuum packaging machine
CN111977069A (en) Glass can packing machine
CN210555796U (en) Vacuum packaging machine table for instant eggs
CN220409831U (en) Quick-cooling six-row edge bonding machine
CN202071990U (en) Automatic metering former for packaging of ethylene glycol antimony products
CN214726906U (en) Special-shaped heat sealing device for packaging bag
CN101214863A (en) Traverse closing-cutting mechanism for vertical type packing machine
CN205525277U (en) Food packaging sealing machine

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
WW01 Invention patent application withdrawn after publication

Application publication date: 20210212

WW01 Invention patent application withdrawn after publication