CN110800679A - Process flow of light panoramic composite fish tank and birdcage type pet tool - Google Patents
Process flow of light panoramic composite fish tank and birdcage type pet tool Download PDFInfo
- Publication number
- CN110800679A CN110800679A CN201911210665.4A CN201911210665A CN110800679A CN 110800679 A CN110800679 A CN 110800679A CN 201911210665 A CN201911210665 A CN 201911210665A CN 110800679 A CN110800679 A CN 110800679A
- Authority
- CN
- China
- Prior art keywords
- slurry
- blank
- plastic film
- cloth
- forming
- 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
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims abstract description 13
- 241000251468 Actinopterygii Species 0.000 title claims abstract description 11
- 239000002002 slurry Substances 0.000 claims abstract description 47
- 239000004744 fabric Substances 0.000 claims abstract description 36
- 229920006255 plastic film Polymers 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000011248 coating agent Substances 0.000 claims abstract description 15
- 238000000576 coating method Methods 0.000 claims abstract description 15
- 239000011521 glass Substances 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 3
- 238000009826 distribution Methods 0.000 claims abstract 2
- 239000002985 plastic film Substances 0.000 claims description 31
- 239000004568 cement Substances 0.000 claims description 20
- 239000003365 glass fiber Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000003892 spreading Methods 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 238000010009 beating Methods 0.000 claims description 2
- 229920002457 flexible plastic Polymers 0.000 claims description 2
- 239000002114 nanocomposite Substances 0.000 claims description 2
- 229920000620 organic polymer Polymers 0.000 claims description 2
- 238000009825 accumulation Methods 0.000 claims 1
- 238000007598 dipping method Methods 0.000 claims 1
- 239000004033 plastic Substances 0.000 claims 1
- 229920003023 plastic Polymers 0.000 claims 1
- 239000011414 polymer cement Substances 0.000 claims 1
- 239000011435 rock Substances 0.000 claims 1
- 238000009955 starching Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000000465 moulding Methods 0.000 abstract description 5
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract 2
- 238000010923 batch production Methods 0.000 abstract 1
- 238000005034 decoration Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 abstract 1
- 239000002991 molded plastic Substances 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 10
- 235000017491 Bambusa tulda Nutrition 0.000 description 10
- 241001330002 Bambuseae Species 0.000 description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 10
- 239000011425 bamboo Substances 0.000 description 10
- 239000003610 charcoal Substances 0.000 description 10
- 238000010008 shearing Methods 0.000 description 5
- 239000000843 powder Substances 0.000 description 3
- 238000013329 compounding Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 241000271566 Aves Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010413 gardening Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000006223 plastic coating Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/003—Aquaria; Terraria
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K31/00—Housing birds
- A01K31/06—Cages, e.g. for singing birds
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Birds (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Zoology (AREA)
- Marine Sciences & Fisheries (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a process flow of a lightweight panoramic composite fish tank birdcage pet tool, which mainly comprises seven major steps of functional slurry distribution preparation, molded plastic film bedding bottom slurry, cloth net fit reactor core molding, blank opening edge sealing and bottom water prevention, water pump bin and filter tank bedrock preparation, glass surface workpiece gluing installation, exterior decoration coating, accessory arrangement and the like. The novel light composite multifunctional pet tool is processed and produced by the process flow, the manufacturing method is simple and practical, the production raw materials are easy to obtain, and the low energy consumption and no pollution, namely the low-carbon environment-friendly large-scale batch production of the light panoramic composite fish tank birdcage pet tool can be completely realized.
Description
One, the technical field
The invention relates to a process flow of a light panoramic composite fish tank and birdcage type pet tool, in particular to a production process flow of the composite light panoramic fish tank and birdcage type pet tool applied to pet household articles of flowers, birds, insects and fishes.
Second, background Art
At present, traditional aquarium, birdcage and other pet tools are respectively integrated, different functions and purposes are difficult to integrate and unify, and the production and processing technology is manufactured by adopting the traditional technique such as bonding, splicing and embedding. The investment cost of materials for large-scale production is high, the requirement on individual skills of the process production flow is high, the product form is single in mode, and the implementation of functional integral application is not ideal.
Third, the invention
Aiming at the defects of the prior art, the invention provides a process flow of a lightweight panoramic composite type fish tank birdcage type pet tool, and the processing and manufacturing method is simple and practical, the production raw materials are easy to obtain, the energy consumption is low, the pollution is not caused, the low carbon is realized, the environment is protected, and the lightweight composite type gardening panoramic all-ecological fish tank birdcage type pet tool with the ageing resistance and the multiple functions is produced on a large scale.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the process flow of the light panoramic composite fish tank birdcage type pet tool is as follows:
① preparing composite slurry cloth according to design requirements, namely preparing slurry by sequentially compounding a functional organic polymer nano composite cement gelled material and water according to the volume ratio of 2-1: 1-2 and according to needs at proper time, and fully soaking and wrapping the slurry and a plurality of large and small non-woven fabrics to prepare the slurry cloth with medium and low viscosity;
② spreading base slurry on the plastic film, spreading a flexible plastic film with a predetermined width of ultra-glass fiber net on the surface of the wet-in-water work table, and coating a layer of compound slurry on three surfaces of the plastic film;
③ shaping by adhering slurry cloth net, covering a slurry cloth on the plastic film surface slurry, placing a glass fiber net and another slurry cloth, stacking a soft expandable plastic film group (core mold) on the center of the slurry cloth, placing a planar template on the core mold surface, sequentially lifting the slurry cloth net from inside to outside, respectively, covering the core mold (plastic film group) and the mold plate layer by layer, tightly wrapping, turning over, placing the seal face downwards on the molding plastic film surface, lifting the bottom plastic film skirt edge, tightening, covering the whole cloth net group, beating, shaking, kneading, placing in a molding mold, and naturally curing;
④ sealing the opening of the blank to prevent water leakage, removing the shape mold and plastic film from the blank, cutting several cloth net surfaces of predetermined size to form holes on the flat vertical surface and the surface of the workpiece, removing the core mold group (plate), sealing the edge with slurry, and coating the bottom cavity with waterproof cement slurry for 1-3 times;
⑤ preparing water pump bin and filter tank bedrock, sequentially stacking plastic film groups at the preset positions of the blank cavity according to design requirements, sequentially adhering cement slurry net material to the cavity wall, extruding, molding, solidifying, and taking out the plastic film groups;
⑥ gluing and mounting the glass sheet workpiece, namely firstly, smearing glass cement on the edges of the periphery of the plane cut of the blank workpiece, placing and adhering the glass sheet workpiece, and then coating the edges of the glass piece and the edges of the mould pressing surface of the cavity of the cut of the blank with waterproof cement slurry for curing;
⑦ coating the exterior and arranging accessories, which is to coat the blank except the glass sheet with color functional cement slurry, seal and fix the blank by water spraying and automatic flowing lines, and install and set the mesh enclosure, the lighting device, the water pump and other accessory accessories in place;
compared with the prior art, the invention has the beneficial effects that: the light panoramic composite fish-bowl-type birdcage manufactured by the process flow can realize the three-dimensional effect and natural texture of the product, and the ultra-light multi-level and multi-functional effect of the product is realized. The process is simple and practical, zero emission and no pollution, and low-carbon and environment-friendly production operation can be realized.
Fourth, specific examples
The present invention will be described in further detail with reference to specific embodiments below:
firstly, compounding building glue, nano modified bamboo charcoal powder and No. 325 ordinary portland cement, firstly preparing 2000g of middle-low viscosity bamboo charcoal mud according to the volume ratio of ash water to 1: 1.5, and fully soaking two pieces of bamboo charcoal mud of 10g/m21200mmX1200 non-woven fabrics, and then preparing 1000g of middle-high viscosity bamboo charcoal mud slurry according to the volume ratio of ash water to water of 1.5: 1;
secondly, covering a piece of PE plastic film with the width of 2000mmX2000mmX0.9 silk on the working table surface, and spreading a layer of cement bamboo charcoal dry ash powder with the thickness of 1mm on two sides of one third of the central area;
thirdly, spreading a bamboo charcoal slurry cloth on the plastic film dry ash powder surface, and placing a bamboo charcoal slurry cloth 180g/m on the cloth surface2The 1200mmX1000mm glass fiber mesh sheet is uniformly coated on a glass fiber web sheet by using 1000g of high-viscosity bamboo charcoal slurry, then another bamboo charcoal slurry cloth is laid, 3000g of soft plastic film group is piled at the center of the bamboo charcoal slurry cloth, a 700mmX500mmX15mm template is placed on the surface of the soft plastic film group, the clay cloth on the lifted surface is completely covered and encapsulated into a dough shape, then the glass fiber mesh sheet cloth on the bottom layer is lifted in time to be adhered and coated, so that the glass fiber mesh sheet cloth completely covers and wraps the whole mold core into a cloth mesh dough shape, finally the cloth mesh group is turned over, namely the sealing surface is placed on the bottom plastic film surface downwards, the bottom plastic film skirt is collected and wrapped on the whole cloth mesh group, and the whole cloth mesh group is lifted and integratedPlacing the mould in a box plate type mould with the thickness of 700mmX500mmX400mm to be solidified;
fourthly, after the green body is solidified, removing the exterior mould and the outer plastic coating, keeping the height of the flat vertical surface at the bottom by 50mm, keeping the width of the left side and the right side by 25mm, shearing 650mmX450mm rectangular cloth mesh surfaces in parallel along the bottom, randomly and respectively shearing the blank surfaces with the sizes of 450mm and 150mm at the bottom of the two sides of the flat vertical surface at the height of about 500mm, taking out a mould core (plate), and then sequentially coating the blank surfaces with JS composite cement slurry with medium and low viscosity at the height of 500mm on the edge of the cut and the bottom of the inner cavity for 3 times in all directions, namely locking edges and sealing to prevent water leakage;
the fifth step: vertically placing a workpiece blank on a workbench, firstly stacking a plastic film group with the size of 1/3 lower cavity on one side of a 150mm shearing mouth inner cavity, covering the surface of the plastic film group by a whole piece of cement slurry cloth with leftover blank materials, timely filling the plastic film group on the lower part of the cavity of the rest blank, placing a piece of cement slurry cloth with leftover blank materials on the plastic film group close to the inner wall of the cavity, extruding and wrapping the plastic film group for molding, and removing the plastic film group after curing;
sixthly; coating glass cement on the edge surface of a shearing opening inner cavity (plate pressing) of the flat vertical surface of a blank workpiece, placing a 50 mm-thick ultra-white glass sheet with a preset width of 680mmX480mm for bonding treatment, and then coating the shearing opening and the edge bonding surface of the inner cavity at the periphery with cement slurry with medium and high viscosity for curing.
The seventh step; firstly covering the glass surface with antifouling paper, spraying the outer vertical surface of the workpiece blank by using medium-low viscosity brown-purple cement slurry, spraying water in proper time to form lines to be cured, and finally installing and setting the lamp, the water pump, the mesh enclosure and the like in place.
The above description is only for the purpose of illustrating preferred embodiments of the present invention and is not intended to limit the scope of the present invention, and various modifications and applications made by the above embodiments are within the scope of the present invention.
Claims (1)
1. A process flow of a light panoramic composite fish tank birdcage type pet tool is characterized by comprising the following steps:
step one, preparing functional slurry for distribution: fully soaking and wrapping an organic polymer nano composite cement material and a plurality of pieces of nonwoven fabrics with the width of the ultra-glass fiber net sheets according to the volume ratio of ash water accumulation of 2-1: 1-2, wherein the high polymer cement slurry with medium and high viscosity is prepared according to the design requirement;
step two, forming plastic film bedding bottom slurry: a flexible thin plastic film with super width is laid on the forming working table surface, and then a layer of cement slurry with medium and high viscosity is coated on the plastic surface;
thirdly, forming a cloth net attaching blank: the method comprises the steps of firstly, integrally spreading a large-width slurry dipping cloth on the surface of a plastic film slurry, flatly laying a set-width forming glass fiber net sheet, covering a slurry cloth, coating high-medium-high-viscosity cement slurry, stacking a flexible plastic film core mold group and a template on the central position of the cloth net surface, collecting and lifting the edge of the slurry cloth net from top to bottom in due time to enable the slurry cloth net to fully cover and wrap the whole core mold plate into a bulk shape, finally, turning over and placing the slurry cloth net on a forming outer plastic film surface, and then, covering, beating, rubbing, finishing, forming, placing the slurry cloth net in a forming mold to be naturally cured;
fourthly, fixing edges of the opening of the blank to prevent leakage: curing the workpiece blank, removing the external mold and the external plastic film, cutting a plurality of holes with set width on the cloth net surface of the blank, removing the cutting opening of a cavity mold core (plate), coating the edges of the cavity mold core (plate) with slurry cloth, then starching, and coating and sealing the lower part of the blank with waterproof slurry;
the fifth step; preparing a water pump bin and a filter tank rock platform: sequentially operating the inner cavities of the vertical surfaces of the blanks at the set positions according to design requirements, namely firstly stacking plastic film clusters, then covering cement slurry cloth net forming materials closely attached to the inner wall of the cavity, and forming and curing the blanks by freely extruding and closing the plastic films;
and a sixth step: gluing and mounting a glass workpiece: and (3) coating glass cement on the edge surface of the inner cavity of the plane cut of the blank, placing a glass workpiece on the blank for bonding treatment at proper time, and coating cement slurry at the joint of the edges of the blank and the glass workpiece for curing.
Seventh step, exterior coating and accessory configuration: coating the surface of blank except the glass surface with color functional cement slurry, spraying water for self-flowing treatment, sealing, and installing water pump, lamp, net cover and other accessory parts.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911210665.4A CN110800679A (en) | 2019-12-02 | 2019-12-02 | Process flow of light panoramic composite fish tank and birdcage type pet tool |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911210665.4A CN110800679A (en) | 2019-12-02 | 2019-12-02 | Process flow of light panoramic composite fish tank and birdcage type pet tool |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110800679A true CN110800679A (en) | 2020-02-18 |
Family
ID=69492071
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201911210665.4A Pending CN110800679A (en) | 2019-12-02 | 2019-12-02 | Process flow of light panoramic composite fish tank and birdcage type pet tool |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110800679A (en) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04235002A (en) * | 1991-01-09 | 1992-08-24 | Kyokuto Kogyo Kk | Floating concrete structure having approximately u-shaped cross section and fabrication thereof |
CN103722612A (en) * | 2013-12-24 | 2014-04-16 | 柴标 | Plastic partition wall batten forming machine and plastic partition wall batten forming method |
CN108909339A (en) * | 2018-06-26 | 2018-11-30 | 王劲松 | A kind of membrane moulding process flow process of the compound Fang Mountain stone basin tool of low-carbon |
CN109203826A (en) * | 2018-10-24 | 2019-01-15 | 王劲松 | A kind of process flow of the compound mountain stone landscape of the true stone of lightweight low-carbon environment-friendly |
CN109664670A (en) * | 2019-01-24 | 2019-04-23 | 王劲松 | A kind of process flow of the compound Fang Mountain potted landscpe of lightweight low-carbon environment-friendly and landscape |
CN110238957A (en) * | 2019-05-09 | 2019-09-17 | 王劲松 | A kind of process flow of low-carbon environment-friendly nano composite lightweight basin tool |
CN110370427A (en) * | 2019-07-23 | 2019-10-25 | 王劲松 | A kind of process flow of low-carbon environment-friendly combined light fish jar and Shui nationality Potted landscape vessel |
CN110509421A (en) * | 2019-08-08 | 2019-11-29 | 王劲松 | A kind of process flow of low-carbon environment-friendly combined light Aquatic-animal fish bowl container |
-
2019
- 2019-12-02 CN CN201911210665.4A patent/CN110800679A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04235002A (en) * | 1991-01-09 | 1992-08-24 | Kyokuto Kogyo Kk | Floating concrete structure having approximately u-shaped cross section and fabrication thereof |
CN103722612A (en) * | 2013-12-24 | 2014-04-16 | 柴标 | Plastic partition wall batten forming machine and plastic partition wall batten forming method |
CN108909339A (en) * | 2018-06-26 | 2018-11-30 | 王劲松 | A kind of membrane moulding process flow process of the compound Fang Mountain stone basin tool of low-carbon |
CN109203826A (en) * | 2018-10-24 | 2019-01-15 | 王劲松 | A kind of process flow of the compound mountain stone landscape of the true stone of lightweight low-carbon environment-friendly |
CN109664670A (en) * | 2019-01-24 | 2019-04-23 | 王劲松 | A kind of process flow of the compound Fang Mountain potted landscpe of lightweight low-carbon environment-friendly and landscape |
CN110238957A (en) * | 2019-05-09 | 2019-09-17 | 王劲松 | A kind of process flow of low-carbon environment-friendly nano composite lightweight basin tool |
CN110370427A (en) * | 2019-07-23 | 2019-10-25 | 王劲松 | A kind of process flow of low-carbon environment-friendly combined light fish jar and Shui nationality Potted landscape vessel |
CN110509421A (en) * | 2019-08-08 | 2019-11-29 | 王劲松 | A kind of process flow of low-carbon environment-friendly combined light Aquatic-animal fish bowl container |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103159433A (en) | Method of producing degradable materials by using fungal mycelium and crushed plants | |
CN108000692B (en) | A kind of porcelain embryo glazing equipment and porcelain embryo's glazing method using the equipment | |
CN103467132A (en) | Artificiality molding product manufacturing method | |
CN110800679A (en) | Process flow of light panoramic composite fish tank and birdcage type pet tool | |
CN112314467A (en) | Polyurea resin adhesive composite molding manufacturing process flow of birdcage fish tank | |
CN110946082A (en) | Technological process of light panoramic composite cage-rearing type pet appliance | |
CN111328584A (en) | Process flow of composite flower, bird, fish and pet symbiotic bonsai system and device | |
CN112167150A (en) | Technological process of light panoramic composite birdcage type fish tank symbiotic system appliance | |
CN110959540A (en) | Process flow of multifunctional full-ecological landscape composite pet appliance | |
CN111149544A (en) | Process flow of green low-carbon three-dimensional composite plant cultivation device | |
CN106956541A (en) | A kind of manufacture craft of waterproof pulp handicraft | |
CN108891114A (en) | A kind of packaging material and its manufacturing method containing nylon wire | |
CN110509421A (en) | A kind of process flow of low-carbon environment-friendly combined light Aquatic-animal fish bowl container | |
CN210190107U (en) | Flowerpot mould | |
CN110370427A (en) | A kind of process flow of low-carbon environment-friendly combined light fish jar and Shui nationality Potted landscape vessel | |
CN104909664A (en) | Manufacturing technique of bamboo charcoal flowerpot | |
CN108995465A (en) | A kind of process of flocking formula artificial hillock scape stone and Fish bowl potted landscape | |
CN113068649A (en) | Manufacturing process flow of integrated polyurea composite molding fish tank with built-in landscape planting and breeding | |
CN112997736A (en) | Polyurea resin adhesive composite molding manufacturing process flow of fish-plant symbiotic system | |
CN110238957A (en) | A kind of process flow of low-carbon environment-friendly nano composite lightweight basin tool | |
CN113788667A (en) | Magnesium cementing material for hand-pasted glass fiber reinforced plastic mold | |
CN207079629U (en) | High-strength corrosion-resistant loses Household glass fiber reinforced plastic table well | |
CN106799918A (en) | A kind of manufacture craft of pulp handicraft | |
CN112406396A (en) | Process flow for manufacturing polyurea resin adhesive composite Chinese landscape bonsai | |
CN102558832A (en) | High-viscosity and multiple-component polyurethane container and manufacturing method of high-viscosity and multiple-component polyurethane container |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200218 |
|
WD01 | Invention patent application deemed withdrawn after publication |