CN101549960B - Technique and device for producing glasses from non-plane glass - Google Patents
Technique and device for producing glasses from non-plane glass Download PDFInfo
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- CN101549960B CN101549960B CN200910057176XA CN200910057176A CN101549960B CN 101549960 B CN101549960 B CN 101549960B CN 200910057176X A CN200910057176X A CN 200910057176XA CN 200910057176 A CN200910057176 A CN 200910057176A CN 101549960 B CN101549960 B CN 101549960B
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Abstract
The present invention discloses a technique and device for producing glasses from non-plane glass. The technique comprises steps of locally protecting a non-processed face of non-plane glass to be processed; rinsing; sensitizing treatment; silver plating; after positioning the non-plane glass to be processed, pressing downwards a window frame, encircling the non-plane glass to be processed in the window frame, spraying silver nitrate mixed liquid medicament onto the window frame through a spraying device until the liquid completely submerge the highest point of the non-plane glass to be processed to promote the liquid medicament to completely react with surface of the glass chemically; after reacting for a while, lifting the window frame to discharge the reacted liquid medicament; rinsing out the liquid medicament, winding to remove water, drying with hot wind; spraying protective paint, baking; cooling the glass face, taking out the glass. The technique is applied to making reflection layer of non-plane shuttle mirror. Because of the window frame used in production device, production cost is greatly saved; production efficiency is greatly improved; and massive flow line production can be realized.
Description
Technical field:
The present invention relates to a kind of silver mirror production technique, refer to the silver mirror production technique and the equipment thereof of a kind of non-plane glass or irregularly shaped glass especially.
Background technology:
The silver mirror production technique of flat glass of the prior art is generally: at first flat glass is sent into production line last slice end, through polished and cleaned, sensitization, silver-plated, copper facing, leaching paint, dry, leaching paint, roasting more again, process such as clean, roll off the production line is finished the production of the silver-plated mirror of flat glass, can pack the sale of dispatching from the factory from the silver mirror runner plate that exit end comes out.
All flow process can carefully be stated as follows
1, flat glass to be processed is sent into production line;
2, clean, through organic spot of past, polishing, pure water such as cleans once more at process, cleans glass;
3, silver-plated preceding pink salt sensitization is handled;
4, silver-plated, adopt Silver Nitrate reduction reaction principle, produce reflecting layer-silverskin, by spray equipment, medicine liquid spray is carried out chemical reaction to glass surface;
5, the chemical replacement reaction is adopted in copper facing, forms the firm copper film of one deck with the protection reflecting layer;
6, solidification treatment;
7, drench the first layer protective paint, heating, drying then;
8, drench second layer protective paint, heating, drying then;
9, minute surface cooling is cleaned.
Silver mirror production for non-plane glass, the general silver mirror production technique that also adopts above-mentioned flat glass, its production line uses the roll-type transmission line, perhaps adopt the guipure transmission line, do not make localised protection for no coating face, adopt a large amount of soup sprays in the especially silver-plated process of production process and improve the liquid medicine temperature, the also employing air pressurized atomizing type that has, thereby the quickening reaction times overcomes the defective that corner angle partly do not have coating, but this production technique but can't be avoided the thin problem of corner angle coating; And line products also must be removed the unnecessary coating or the coating of no coating down, thereby cause production efficiency low.The concrete mode of this production technique can be referring to the roll-type transmission silver mirror production line of United States Patent (USP) (patent No. is 4,894,278)-sheet glass.
In addition in this area also the whole glassy product of handlebar vertically be soaked in the cell body that is full of soup, solve the thin problem of edges and corners coating, also plate coating but make product need not coating surface, cause the production cost waste, production efficiency is low; Perhaps will need not coating surface and carry out pad pasting protection in advance, and then carry out immersion liquid and handle, the problem of handling existence like this is exactly that the production cost of independent pad pasting is very high, and production efficiency is also very low, can't form the scale operation of production line formula.Secondly some producer adopts physical method, as uses the vacuum-deposited silver method, then must use large-scale vacuum equipment to realize quantizing to produce, thereby cause the production cost input to increase.
Summary of the invention:
The objective of the invention is to overcome the defective that exists in the prior art, a kind of silver mirror production technique and equipment thereof of non-plane glass are provided, the reflecting layer that this production technique is applied to on-plane surface shuttle mirror makes, owing to used and enclosed frame, thereby greatly saved production cost, improve production efficiency, and can realize large-scale production line production.
In order to solve the problems of the technologies described above, technical scheme of the present invention is as follows:
A kind of silver mirror production technique of non-plane glass:
A, the non-machined surface of non-plane glass to be processed is carried out localised protection, send into the production conveyer line then;
B, glass is cleaned;
C, to glass carry out silver-plated before the pink salt sensitization handle;
D, silver-plated: behind non-plane glass to be processed location, press down and enclose frame, non-plane glass to be processed is trapped among in the frame, spray equipment is sprayed onto the Silver Nitrate admixing medical solutions and encloses in the frame, make soup flood the vertex of non-plane glass to be processed fully, impel soup and glass surface to carry out abundant chemical reaction; After reaction for some time, promote and enclose frame, discharge the soup that has reacted;
E, processing solution, blowing dewater, hot-air seasoning;
F, sprayed protection lacquer, heating, drying then;
G, minute surface cooling, blanking.
Further, the non-machined surface of described non-plane glass to be processed adopts silica gel or plastics film to carry out localised protection.
Use the production unit that above-mentioned silver mirror production technique is produced, comprise a system control device, one chemicals feeder, fuselage and the support that supports fuselage, fuselage is provided with the chain that two closed loops are rotated, one pallet is set in parallel in above the chain and along with chain travels forward, be provided with a plurality of processing stations on the fuselage successively, be provided with one in the silver-plated station section of fuselage and enclose the frame control device, the described frame control device that encloses comprises at least one group of cylinder that is fixed on the fuselage, at least one group is arranged in the cylinder and the pole of subject cylinder control, it is affixed that described pole and at least one are enclosed frame, when the pallet that is placed with non-plane glass to be processed is transported to the silver-plated station section of fuselage, chain stops operating, system control device control cylinder reduces pole, thereby will enclose frame drops on the pallet and the non-plane glass to be processed in the pallet to be surrounded and encloses frame bottom and pallet driving fit, system control device control chemicals feeder spray soup is to enclosing in the frame, make soup flood the vertex of non-plane glass to be processed fully, after reaction for some time, thereby system control device control cylinder lifting pole will be enclosed the frame lifting and be left pallet, discharge the soup that has reacted.
Further, be provided with washing station, sensitization processing station, silver-plated station, flushing station, station, hot-air seasoning station, spraying station, drying station, the cooling blanking station of dewatering of drying on the described fuselage successively.
Further, the profile of described shape of enclosing frame and non-plane glass to be processed is coincide, and its bottom is provided with seal gum.
It is even to the invention solves shuttle mirror or non-plane glass spare uneven coating, and the problem of shuttle thread, most advanced and sophisticated no silvered film has improved silver-colored utilization ratio simultaneously greatly, has reduced the usage quantity of soup.In the prior art, for the silver mirror production employing of the non-plane glass technology the same with the silver mirror production of flat glass, because when silver-plated, soup sprays on the flat glass, soup since the easy accumulation of surface tension of liquid itself on the surface of glass, thereby react fully with glass and to contact, therefore silver plated effect is very good, and for non-plane glass, owing to there are a plurality of corner angle, medicine liquid spray can't accumulation behind the glass surface, thereby make the duration of contact of soup and glass surface very short, in order to promote silver-plated effect, continuous spray soup glass property at parts of edges and corners especially to the glass surface just, so just cause the significant wastage of soup, promoted production cost.And frame is enclosed in having quoted of the invention; shape according to non-plane glass to be processed; design the frame that encloses that coincide with it; when silver-plated; with enclosing frame non-plane glass to be processed is surrounded; and then spray soup; soup will substantially all drop into and enclose in the frame like this; when flooding the vertex of non-plane glass to be processed fully, soup stops to spray soup; after allowing soup and glass fully react for some time; promote again and enclose the soup that the frame discharge has been reacted; like this, the amount of liquid medicine of use can greatly reduce, and has reduced production cost; and with respect to directly whole glassy product vertically being soaked in the cell body that is full of soup; solve the thin problem of edges and corners coating but make product need not coating surface also plating coating, cause the production cost waste, the present invention can be in advance carries out localised protection with the coating surface that need not of product; thereby directly just produce qualified product, can not cause waste.
According to test effect of the present invention, for the non-plane glass product, the concave surface effect of product is remarkable more, using value then of the present invention is high more, if instead the concave surface effect of product is more little, just more near the flat glass mirror, using value then of the present invention is low more.Application product of the present invention field comprises the processing of plane of reflection such as the glass of plane of reflection, automobile rearview mirror, irregular profile of bottom reflection face, the partial sphere shape of artificial glass diamond and resin minute surface.
Description of drawings:
Fig. 1 is a schematic flow sheet of the present invention;
Fig. 2 is the 3 dimensional drawing of apparatus of the present invention;
Fig. 3 is the front view of apparatus of the present invention;
Fig. 4 is the side-view of apparatus of the present invention;
Fig. 5 is the octahedral cone-shaped glass body synoptic diagram that the present invention handles among the embodiment 1;
Fig. 6 is the concave surface condensor synoptic diagram that the present invention handles among the embodiment 2;
Fig. 7 is the three shuttle mirrors intention that the present invention handles among the embodiment 3;
The four sides prismatic mirror intention that Fig. 8 handles for the present invention;
The multiaspect shuttle mirror intention that Fig. 9 handles for the present invention;
The drawing reference numeral explanation:
Station is handled in 1-non-plane glass 2-to be processed washing station 3-sensitization
The silver-plated station 5-of the 4-flushing station 6-blowing station 7-hot-air seasoning station that dewaters
8-spraying station 9-drying station 10-cooling blanking station 11-support
12-chemicals feeder 13-fuselage 14-chain 15-encloses the frame control device
16-pole 17-encloses frame 18-pallet 19-system control device
20-CD-ROM drive motor 21-shaft coupling 22-follow-up pulley 23-cylinder
The 24-motion-work wheel
Embodiment:
Now the present invention will be further described in conjunction with embodiment and description of drawings;
As Fig. 2 is the 3 dimensional drawing of apparatus of the present invention; Fig. 3 is the front view of apparatus of the present invention; Production unit of the present invention, comprise a system control device 19, one chemicals feeder 12, fuselage 13 and the support 11 that supports fuselage 13, fuselage 13 is provided with the chain 14 that two closed loops are rotated, CD-ROM drive motor 20 is connected with motion-work wheel 24 by shaft coupling 21, motion-work wheel 24 passes through chain 14 and is connected with follow-up pulley 22, and motion-work wheel 24, follow-up pulley 22, chain 14 and CD-ROM drive motor 20 have just constituted the haulage system that apparatus of the present invention are used to transport non-plane glass 1 to be processed like this.One pallet 18 is set in parallel in chain 14 tops and along with chain 14 travels forward, be provided with a plurality of processing stations on the fuselage 13 successively, as shown in Figure 1, be provided with washing station 2, sensitization processing station 3, silver-plated station 4, flushing station 5, station 6, hot-air seasoning station 7, spraying station 8, drying station 9, the cooling blanking station 10 of dewatering of drying on the fuselage 13 successively.As Fig. 3, shown in Figure 4, silver-plated station section 4 on fuselage 13 is provided with one and encloses frame control device 15, enclose frame control device 15 and comprise three groups of cylinders 23 that are fixed on the fuselage 13, three groups are arranged in the cylinder 23 and the pole 16 of subject cylinder 23 controls, it is affixed that pole 16 and six enclose frame 17, when the pallet 18 that is placed with non-plane glass 1 to be processed is transported to the silver-plated station of fuselage section 4, chain 14 stops operating, system control device 19 control cylinders 23 reduce pole 16, thereby will enclose frame 17 drops on the pallet 18 and the non-plane glass to be processed 1 in the pallet to be surrounded and encloses frame 17 bottoms and pallet 18 driving fits, system control device 19 control chemicals feeders 12 spray soups are to enclosing in the frame 17, make soup flood the vertex of non-plane glass 1 to be processed fully, after reaction for some time, thereby system control device 19 control cylinders 23 lifting poles 16 will be enclosed frame 17 liftings and be left pallet 18, discharge the soup that has reacted.Because main inventive point of the present invention is to have adopted and encloses frame, and for system control device 19, prior aries such as chemicals feeder 12 are not done detailed argumentation, this is a unusual proven technique in the prior art field.
For the ease of relatively the present invention is for the superiority of prior art, the spy makes following simultaneous test:
Embodiment 1: as shown in Figure 5, and to highly carrying out silver mirror production for the imitative diamond octahedral cone-shaped glass body of 1.95mm
First group: use flat glass silver mirror production technique, the silver nitrate solution that is adopted is 250 grams per liters
Second group: use 8 grams per liter Silver Nitrates sprays (nothing is enclosed frame)
The 3rd group: use 8 grams per liter Silver Nitrates sprays (adopting the frame that encloses of the present invention)
At first this octahedral cone-shaped glass body is covered with on the 220*220mmPVC plastics, utilizes the PVC plastics film as non-machined surface of localised protection and location; Put it in the pallet 18 material loading;
Then, clean, add the oxidation selenium powder with mechanical means and scrub or adopt ultrasonic wave to add surfactant washing, cleaned and used deionized water rinsing;
Secondly, adopt divalent tin ion sensitization glass surface, use deionized water rinsing after the sensitization;
Carry out once more silver-plated,
First group: by 8 milliliters of silver nitrate solutiones, 8 milliliters of grape carbohydrate reductive agents mix every square metre of surface of spray, spray time 90 seconds;
Second group: use 300 milliliters of Silver Nitrates, 300 milliliters of rare grape carbohydrate reductive agents mixed spray 90 seconds;
The 3rd group: use 300 milliliters of silver nitrate solutions, 300 milliliters of rare grape carbohydrate reductive agents mix spray in enclosing frame, spray 90 seconds;
Then, respectively this three set product is carried out following Production Flow Chart again:
Flushing; Blowing dewaters; Hot-air seasoning; Drench protective paint, heating, drying then; The minute surface cooling, blanking.
The silver layer quality of this three set product is respectively:
First group: 1/2 one of product is gone up to black coarse, and coating knot rate variance does not have complete reflector layer and forms
Second group: eight crest line coating of product point, the product alignment light source, visible most advanced and sophisticated light leaked; Use X-ray ga(u)ging, the thickness of coating skewness, gore middle part coating is 0.33 micron, has only the 0.12-0.20 micron near the edge corner angle;
The 3rd group: each position of product comprises that eight crest lines of point all have coating, the product alignment light source, lose most advanced and sophisticated light and leak; Use strong illumination, also dull thread leaked, and used X-ray ga(u)ging, and thickness of coating is evenly distributed and is 0.33 micron;
As seen silver mirror production quality product of the present invention obviously is better than adopting flat glass silver mirror technology and does not adopt and enclose the quality product that frame carries out the silver mirror explained hereafter.
Embodiment 2: to as shown in Figure 6 height is that the concave surface condensor of 22mm carries out silver mirror production
First group: use flat glass silver mirror production technique, the silver nitrate solution that is adopted is 250 grams per liters
Second group: use 8 grams per liter Silver Nitrates sprays (nothing is enclosed frame)
The 3rd group: use 8 grams per liter Silver Nitrates sprays (adopting the frame that encloses of the present invention)
At first adopt silicon rubber as non-machined surface of localised protection and location; Put it in the pallet 18 material loading;
Then, clean, add the oxidation selenium powder with mechanical means and scrub or adopt ultrasonic wave to add surfactant washing, cleaned and used deionized water rinsing;
Secondly, adopt divalent tin ion sensitization glass surface, use deionized water rinsing after the sensitization;
Carry out once more silver-plated,
First group: by 16 milliliters of silver nitrate solutions, milliliter grape carbohydrate reductive agent sprays one square metre of surface, 90 seconds reaction times;
Second group: use 800 milliliters of silver nitrate solutions, 800 milliliters of rare grape carbohydrate reductive agents mix spray, 90 seconds reaction times;
The 3rd group: use 800 milliliters of silver nitrate solution soups, 800 milliliters of rare grape carbohydrate reductive agents mix spray, 90 seconds reaction times in enclosing frame;
Then, respectively this three set product is carried out following Production Flow Chart again:
Flushing; Blowing dewaters; Hot-air seasoning; Drench protective paint, heating, drying then; The minute surface cooling, blanking.
The silver layer quality of this three set product is respectively:
First group: because of the spray liquid scale of construction very little, can't evenly spray product surface at all;
Second group: the sphere of product body more near hemisphere then soup pour off manyly more, the top silvered film wants fine and close around relatively, but the alignment light source visible rays sees through, and do not form complete silver layer;
The 3rd group: each position coating of product all has, and the product alignment light source, loses light and leaks; Use strong illumination, also dull thread leaked, and used X-ray ga(u)ging, and thickness of coating is evenly distributed and is 0.33 micron;
The result is also very obvious: silver mirror production quality product of the present invention obviously is better than adopting flat glass silver mirror technology and does not adopt and enclose the quality product that frame carries out the silver mirror explained hereafter.
Embodiment 3: to highly being the three shuttle mirrors of 17.23mm as shown in Figure 7, two adjacent inclined-planes carry out silver mirror production as reflective surface
First group: use flat glass silver mirror production technique, the silver nitrate solution that is adopted is 250 grams per liters
Second group: use 8 grams per liter Silver Nitrates sprays (nothing is enclosed frame)
The 3rd group: use 8 grams per liter Silver Nitrates sprays (adopting the frame that encloses of the present invention)
At first adopt silicon rubber as non-machined surface of localised protection and location; Put it in the pallet 18 material loading;
Then, clean, add the oxidation selenium powder with mechanical means and scrub or adopt ultrasonic wave to add surfactant washing, cleaned and used deionized water rinsing;
Secondly, adopt divalent tin ion sensitization glass surface, use deionized water rinsing after the sensitization;
Carry out once more silver-plated,
First group: by 8 milliliters of silver nitrate solutiones, 8 milliliters of grape carbohydrate reductive agents mix one square metre of surface of spray, spray time 90 seconds;
Second group: use 300 milliliters of Silver Nitrates, 300 milliliters of rare grape carbohydrate reductive agents mixed spray 90 seconds;
The 3rd group: use 300 milliliters of silver nitrate solutions, 300 milliliters of rare grape carbohydrate reductive agents mix spray in enclosing frame, sprayed 90 seconds;
Then, respectively this three set product is carried out following Production Flow Chart again:
Flushing; Blowing dewaters; Hot-air seasoning; Drench protective paint, heating, drying then; The minute surface cooling, blanking.
The silver layer quality of this three set product is respectively:
First group:, can't evenly spray product surface because of spraying paint amount of liquid very little at all;
Second group: because soup can't stay in product top, product is no complete reflector layer formation more than 1/2 one, and silver layer is arranged at the bottom, but not fine and close, printing opacity;
The 3rd group: each position coating of product all has, and the product alignment light source, loses light and leaks; Use strong illumination, also dull thread leaked, and used X-ray ga(u)ging, and thickness of coating is evenly distributed and is 0.33 micron;
Equally, silver mirror production quality product of the present invention obviously is better than adopting flat glass silver mirror technology and does not adopt and enclose the quality product that frame carries out the silver mirror explained hereafter.
From above three embodiment as can be seen, the concave surface effect of processed product is remarkable more, and using value then of the present invention is high more, if instead the concave surface effect of product is more little, promptly more near plane mirror, using value then of the present invention is low more.In addition, to the silver mirror production test of carrying out, also find that adopt technology of the present invention and equipment, the silver mirror effect is better than not adopting the silver mirror technology of enclosing frame greatly, and production cost greatly reduces from us as Fig. 8, product shown in Figure 9.
Claims (5)
1. the silver mirror production technique of a non-plane glass is characterized in that:
A, the non-machined surface of non-plane glass to be processed is carried out localised protection, send into the production conveyer line then;
B, glass is cleaned;
C, to glass carry out silver-plated before the pink salt sensitization handle;
D, silver-plated: behind non-plane glass to be processed location, press down and enclose frame, non-plane glass to be processed is trapped among in the frame, spray equipment is sprayed onto the Silver Nitrate admixing medical solutions and encloses in the frame, make soup flood the vertex of non-plane glass to be processed fully, impel soup and glass surface to carry out abundant chemical reaction; After reaction for some time, promote and enclose frame, discharge the soup that has reacted;
E, processing solution, blowing dewater, hot-air seasoning;
F, sprayed protection lacquer, heating, drying then;
G, minute surface cooling, blanking.
2. the silver mirror production technique of non-plane glass according to claim 1 is characterized in that:
The non-machined surface of described non-plane glass to be processed adopts silica gel or plastics film to carry out localised protection.
3. application rights requires the production unit that 1 or 2 described silver mirror production technique are produced, comprise a system control device, one chemicals feeder, fuselage and the support that supports fuselage, fuselage is provided with the chain that two closed loops are rotated, one pallet is set in parallel in above the chain and along with chain travels forward, be provided with a plurality of processing stations on the fuselage successively, it is characterized in that: be provided with one in the silver-plated station section of fuselage and enclose the frame control device, the described frame control device that encloses comprises at least one group of cylinder that is fixed on the fuselage, at least one group is arranged in the cylinder and the pole of subject cylinder control, it is affixed that described pole and at least one are enclosed frame, when the pallet that is placed with non-plane glass to be processed is transported to the silver-plated station section of fuselage, chain stops operating, system control device control cylinder reduces pole, thereby will enclose frame drops on the pallet and the non-plane glass to be processed in the pallet to be surrounded and encloses frame bottom and pallet driving fit, system control device control chemicals feeder spray soup is to enclosing in the frame, make soup flood the vertex of non-plane glass to be processed fully, after reaction for some time, thereby system control device control cylinder lifting pole will be enclosed the frame lifting and be left pallet, discharge the soup that has reacted.
4. production unit according to claim 3 is characterized in that:
Be provided with washing station, sensitization processing station, silver-plated station, flushing station, station, hot-air seasoning station, spraying station, drying station, the cooling blanking station of dewatering of drying on the described fuselage successively.
5. production unit according to claim 3 is characterized in that:
The profile of described shape of enclosing frame and non-plane glass to be processed is coincide, and its bottom is provided with seal gum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910057176XA CN101549960B (en) | 2009-05-06 | 2009-05-06 | Technique and device for producing glasses from non-plane glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910057176XA CN101549960B (en) | 2009-05-06 | 2009-05-06 | Technique and device for producing glasses from non-plane glass |
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| Publication Number | Publication Date |
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| CN101549960A CN101549960A (en) | 2009-10-07 |
| CN101549960B true CN101549960B (en) | 2011-09-28 |
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| CN200910057176XA Expired - Fee Related CN101549960B (en) | 2009-05-06 | 2009-05-06 | Technique and device for producing glasses from non-plane glass |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102584032B (en) * | 2012-02-15 | 2013-11-13 | 肇庆市科润真空设备有限公司 | Device and method for manufacturing solar arc-shaped condensation glass |
| CN103941318B (en) * | 2014-04-10 | 2018-03-20 | 武汉圣普太阳能科技有限公司 | The lens making method of solar energy thermal-power-generating optically focused silver mirror |
| CN108214020A (en) * | 2017-12-27 | 2018-06-29 | 张洁如 | A kind of revolving body workpieces processing unit (plant) |
| CN112225465A (en) * | 2020-11-09 | 2021-01-15 | 武义超野五金制品有限公司 | Silver-attached antibacterial glass container and manufacturing process thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4894278A (en) * | 1987-06-23 | 1990-01-16 | Glaverbel | Process of manufacturing a decorative mirror |
| CN1073537C (en) * | 1994-01-26 | 2001-10-24 | 褚宗文 | Production method of silver mirror |
-
2009
- 2009-05-06 CN CN200910057176XA patent/CN101549960B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4894278A (en) * | 1987-06-23 | 1990-01-16 | Glaverbel | Process of manufacturing a decorative mirror |
| CN1073537C (en) * | 1994-01-26 | 2001-10-24 | 褚宗文 | Production method of silver mirror |
Non-Patent Citations (1)
| Title |
|---|
| 栗学莉等.玻璃制品化学镀铜工艺的研究.《丹东师专学报》.1999,第21卷(第1期),48-49. * |
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