Background technology
Folding fan is the fan that can fold that a kind of batten makees that ribs of the fan, tough paper or thin silk fabric thin,tough silk do covering of the fan; Used time must let go, becomes semicircular canal shape, and poly-head falls apart tail.Folding fan originates from China the earliest, and bamboo wood does ribs of the fan, and tough paper does covering of the fan, covering of the fan also will be write a poem on occasion and draw a picture.The poem that folding fan shows Chinese tenderness Yun Yin draws U.S. border.Folding fan is through one of the representative as Chinese tradition hand work of the history of going through the ancient Chinese centuries, the manufacture craft used till today still retains to be made by hand entirely, but along with now social development, demand continues to increase, and pure home built can not meet the demand of present consuming public far away.
The ribs of the fan of folding fan generally adopts wooden structures, economical and practical, but is only difficult to ribs of the fan the reserve value promoting folding fan.Bone ware sales volume is well sold and in short supply in recent years, but few people manufacture ribs of the fan with ox bone, not easily processes because the quality of ox bone own is hard, once machine-shaping such as maintenance is not good at, very easily occurs the situation such as cracking, silt ash, brings difficulty to collection.And die traditional aggregate needs often to play maintenance could maintain its good situation, once make ribs of the fan, holding end is with to mount covering of the fan end different from human contact's frequency, cause two ends Texture Difference increasing, finally from sense organ or actual quality, all there is very large difference, have a strong impact on its aesthetic feeling and reserve value.
And in the manufacturing process of traditional folding fan, ribs of the fan need through preservative treatment, and the fan that it could be made to make is durable in use, dried or wet weather and skin sweat is avoided to touch distortion or the damage of soaking and causing ribs of the fan.Traditional cooking technology, not only length consuming time, and antiseptic effect is not good, after sclerotin folding fan uses for a long time, because itself is made up of large amount of organic, easily by surrounding environment influence, there is bacteria breed, damage by worms, dust stratification and even the situation such as to addle, be not only unfavorable for using and preserving of fan, and injury brought to the healthy of user.
Applicant devises the treatment process of a whole set of ox bone folding fan skeleton, can solve the problems of the technologies described above.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of mosquito dispersing, anti-corrosive antibacterial processing technology of ox bone folding fan skeleton, the ox bone folding fan skeleton of effective folio fan can carry out preservative treatment, make ox bone folding fan skeleton durable in use and there is antibiotic health care effect, and there is effect of mosquito and insect expelling.
The technical solution adopted for the present invention to solve the technical problems is: the mosquito dispersing, the anti-corrosive antibacterial processing technology that provide a kind of ox bone folding fan skeleton, is characterized in that comprising the steps:
A. degreasing: ox bone is immersed in 0.5% ~ 0.8% sodium hydroxide solution and takes out after 24 hours; Be immersed in after then ox bone being cleaned up hydrogen peroxide and 75% ethanol for disinfection mixed solution in 3-8 hour, wherein the volume ratio of hydrogen peroxide and ethanol for disinfection is 1:2;
B. prepare Antimicrobial preservative solvent, and Antimicrobial preservative solvent is placed in a kettle.;
C. prepare Antimicrobial preservative and boil material, Antimicrobial preservative is boiled material and grind to form 100-200 order under low-temperature condition, put into reactor;
D. under 1.2-1.5 atmospheric pressure, reactor is heated to 80-90 degree Celsius, drops into pending ox bone folding fan skeleton, boiling 3 hours;
E. stop heating, under constant temperature and pressure condition, after covering reaction kettle cover, leave standstill 1 hour;
F. repeat step c and d2-3 time, taken out by ox bone folding fan skeleton, clear water spray ox bone folding fan skeleton surface is extremely without after attachment, and Quick-air-drying without working fluid, dries in the shade to dry tack free to surface;
G. pulverize the particle that wild Chinese parasol tree bark becomes diameter 1cm-2cm, in smoked case, light wild Chinese parasol tree bark particle, smoked case is put in the lifting of ox bone folding fan skeleton, be detained after 3-5 minute and take out;
H. the incubator again ox bone folding fan skeleton being put into 60 degrees Celsius left standstill after 24 hours, took out and cleaned its surface;
I. the ox bone folding fan skeleton of dry tack free is placed into spray chamber, after ox bone folding fan skeleton surface spraying high gas oil ratio ox bone Precerving liquid, dries in the shade under room temperature;
J. ox bone folding fan skeleton surface cotton is carried out wiping repeatedly, until there is the bag pulp layer of glossy state.
Shared by the concrete composition of described Antimicrobial preservative solvent and various composition, mass fraction is as follows:
Ethanol 50-80 part;
Glycerine 5-8 part;
High oleic sunflower oil 5-8 part;
Tea Polyphenols 1-2 part;
Protamine 1-2 part;
Shitosan 2-6 part;
It is as follows that described Antimicrobial preservative boils mass fraction shared by the concrete composition of material and various composition:
Dry lilac 3-5 part;
Dry purple perilla 1-3 part;
Capsule of weeping forsythia 1-3 part;
Antimicrobial preservative solvent and Antimicrobial preservative boil the mass fraction of material than being 5:1.
According to mass fraction, also comprise the surfactant of 1-3 part in Antimicrobial preservative solvent, described surfactant is sldium lauryl sulfate.
According to mass fraction, also comprise the detergent-dispersant additive of 1-4 part in Antimicrobial preservative solvent, described detergent-dispersant additive is salicylate.
According to mass fraction, in Antimicrobial preservative solvent, also comprise the sodium carboxymethylcellulose of 1-3 part.
The mass fraction of the component that high gas oil ratio ox bone Precerving liquid comprises and each component is as follows:
High oleic sunflower oil 7 parts;
3 parts, butter;
1 part, natural beeswax;
1 part, natural plants wax;
Glycerine 2 parts.
The invention has the beneficial effects as follows:
1. ox bone soaks and saponification occurs in sodium hydroxide solution, can remove the muscle that some are difficult to remove, slough the grease in bone; Then ox bone soaks in hydrogen peroxide and ethanol for disinfection, and remaining grease can be absorbed by this organic solvent of alcohol rapidly, and hydrogen peroxide can carry out disinfecting and decontaminating to ox bone to a certain extent, and changes chromaticness.
2. the present invention adopts environment friendly and pollution-free formula, at high operating temperatures boiling processing is carried out to ox bone folding fan skeleton, not only intraskeletal for ox bone folding fan Fresh sap can be cooked, and brew temperatures and pressure be set with the absorption being beneficial to active ingredient in anti-corrosive antibacterial material, repeatedly repeatedly heat and standing process, absorptivity can be promoted at double.
3. ox bone folding fan skeleton is air-dry after boiling completes, and at surface coating high gas oil ratio ox bone Precerving liquid, its surface can be made to form layer oxide film fast, stop ox bone folding fan skeleton to play the effect of isolated inner sclerotin and external environment condition in use procedure below.High oleic sunflower oil containing very big proportion in described high gas oil ratio ox bone Precerving liquid, traditional concept is not thought should use a large amount of finishes in the maintenance of ox bone again, and in the present invention, applicant employs high oleic sunflower oil (High Oleic Sunflower Oil, be called for short HOSO), oleic acid content is up to 90%, there is high non-oxidizability, can effectively prevent the oxidation of ox bone folding fan skeleton sclerotin when long-time use from addling, and high oleic sunflower oil can also nourish bamboo ox bone matter, slow down the oxidation dust stratification process even stoping itself, its surface is made to form one deck bag slurry, sense organ is more glossy and be rich in toughness again.Butter play the effect that Ecology lubricates naturally.Glycerine can absorb the moisture in air in right amount when high temperature drying, keep moistening of ox bone inside, effectively avoid cracking.And the more traditional occupation mode of use component of natural beeswax and natural plants wax decreases proportion; this component arranges and can form very thin diaphragm; do not hinder freely breathing of ox bone pore again; ox bone is made to maintain after using very simple; ensure that the constant quality of ox bone in Time fleets past, improve reserve value.
4. contain Bergenin (bergenin) in wild Chinese parasol tree bark particle; Leaf is containing rutin (rutin), and malloprenol (malloperenol) and its linolenate, above-mentioned substance can produce strong fragrant atmosphere taste when burning, and this taste adhesive ability is strong, can play mosquito and insect expelling, the effect that fragrance is mothproof.
5. ethanol fully can dissolve other components in Antimicrobial preservative solvent as main body organic solvent, makes active ingredient incorporate to greatest extent and boils in liquid; Glycerine not only uses as organic solvent at this, and because glycerine is as a kind of energy acid of high-quality, particularly in hot environment, its powerful water-retaining property contributes to keeping ox bone folding fan skeleton to conserve a certain amount of moisture, avoids cracking.High oleic sunflower oil (High Oleic Sunflower Oil, be called for short HOSO), oleic acid content is up to 90%, there is high non-oxidizability, can effectively prevent the oxidation of ox bone folding fan skeleton xylem when long-time use from addling, and high oleic sunflower oil can also nourish bamboo and woods fiber, make its surface form one deck bag slurry, sense organ is more glossy and be rich in toughness.
6. Tea Polyphenols, protamine and shitosan are pure natural antibacterial composition: wherein Tea Polyphenols has good physiological effect to human body.It can remove free radical unnecessary in human body, also has the effects such as anticancer preventing decayed tooth, anti-body lipid oxidation and radioresistance.Protamine is find in fish sperm cell a kind of tiny and the simple strong basicity protein containing homoarginine, it to mould, hay bacillus, bacillus megaterium, bacillus licheniformis, solidify bacillus, lactobacillus plantarum, Lactobacillus casei, streptococcus fecalis etc. and all have comparatively high inhibition effect.Research finds, nucleoprotamine can some relates to the protein effect of nutrition transport or biosynthesis system with cell membrane, makes the function of these protein impaired, and then the metabolism of T suppression cell and make cell death.The antibacterial effect of nucleoprotamine in neutral and alkaline medium is more remarkable, because the corrosion composition of ox bone folding fan skeleton is except growing from mould, in addition alkaline human sweat invade leaching effect, therefore especially suitable treatment ox bone folding fan skeleton time use.Shitosan is chitin again, take off the polysaccharose substance after acetyl by chitins such as crab shrimp, insects, stronger inhibitory action is all had to Escherichia coli, proteus vulgaris, hay bacillus, staphylococcus aureus, and be used on ox bone folding fan skeleton, ox bone folding fan skeleton can also be made not easily to produce peculiar smell, keep the wooden delicate fragrance of the original bamboo of folding fan.
7. Antimicrobial preservative boils the dry lilac in material, dry purple perilla and the capsule of weeping forsythia after being processed into ultra-micro powder, and the extremely strong antibiotic effect had is played to greatest extent.Forsythia suspense extraction all has inhibitory action to multiple gram-positive bacteria, negative bacterium; Perilla leaf distillation has broad-spectrum antibacterial action, mainly containing effective constituent is perillaldehyde and citral, to staphylococcus aureus, beta streptococcus, corynebacterium diphtheriae, charcoal ancient sacrificial utensil bacillus, Pseudomonas aeruginosa, hay bacilluses etc. have obvious inhibitory action, and the mould yeast of perilla leaf oil to inoculation and natural pollution also has obvious inhibitory action; Containing caryophyllus oil in dry lilac, containing eugenol, tannin etc. in caryophyllus oil.Research finds, caryophyllus oil has broad-spectrum antibacterial effect to food such as staphylococcus aureus, Escherichia coli, yeast, aspergillus nigers, and to thermally-stabilised within 100 DEG C, its outstanding feature is that Antifungi and mould effect are strong.And mentioned component can also bring herbal delicate fragrance to ox bone folding fan skeleton, makes folding fan in use more add grace.
8. surfactant adopts sldium lauryl sulfate, environment-protecting asepsis, effectively can dissolve the active ingredient in other Antimicrobial preservative materials, make it fully contact immersion with ox bone folding fan skeleton, ensure that the order of contact of active principle and ox bone folding fan skeleton with it at the intraskeletal degree of retaining of ox bone folding fan.Detergent-dispersant additive is salicylate, anti-corrosive antibacterial composition can be made to boil the distribution in liquid more evenly, and do not produce precipitation and greasy filth, hinder absorption process.Also sodium carboxymethylcellulose is comprised in Antimicrobial preservative solvent, sodium carboxymethylcellulose can make all active ingredient even suspension being insoluble to organic solvent around ox bone folding fan skeleton, is conducive to ox bone folding fan skeleton and in the process of high-temperature heating, fully contacts absorption with all active principles.The use of above-mentioned surfactant, detergent-dispersant additive and sodium carboxymethylcellulose, makes all anti-corrosive antibacterial compositions merge consistent, realizes maximizing, optimization in synergy Antimicrobial preservative effect of ordering.
9. the Antimicrobial preservative Solvents Solvent selected by the present invention and Antimicrobial preservative boil material and all choose pure natural material, not only purchase cost is economical and practical, and mosquito dispersing and anti-corrosive antibacterial effective, to environment and human non-toxic's evil, all obtain successfully through experimental stage and batch lab scale, be suitable in the industry cycle popularizing.
Detailed description of the invention
Below in conjunction with contrast test and embodiment, the present invention is described in detail.
Contrast experiment one
Mosquito dispersing, the anti-corrosive antibacterial processing technology of a kind of ox bone folding fan skeleton of the present invention, comprise the steps:
A. degreasing: ox bone is immersed in 0.5% ~ 0.8% sodium hydroxide solution and takes out after 24 hours; Be immersed in after then ox bone being cleaned up hydrogen peroxide and 75% ethanol for disinfection mixed solution in 3-8 hour, wherein the volume ratio of hydrogen peroxide and ethanol for disinfection is 1:2;
B. prepare Antimicrobial preservative solvent, and Antimicrobial preservative solvent is placed in a kettle.;
C. prepare Antimicrobial preservative and boil material, Antimicrobial preservative is boiled material and grind to form 100-200 order under low-temperature condition, put into reactor;
D. under 1.2-1.5 atmospheric pressure, reactor is heated to 80-90 degree Celsius, drops into pending ox bone folding fan skeleton, boiling 3 hours;
E. stop heating, under constant temperature and pressure condition, after covering reaction kettle cover, leave standstill 1 hour;
F. repeat step c and d2-3 time, taken out by ox bone folding fan skeleton, clear water spray ox bone folding fan skeleton surface is extremely without after attachment, and Quick-air-drying without working fluid, dries in the shade to dry tack free to surface;
G. pulverize the particle that wild Chinese parasol tree bark becomes diameter 1cm-2cm, in smoked case, light wild Chinese parasol tree bark particle, smoked case is put in the lifting of ox bone folding fan skeleton, be detained after 3-5 minute and take out;
H. the incubator again ox bone folding fan skeleton being put into 60 degrees Celsius left standstill after 24 hours, took out and cleaned its surface;
I. the ox bone folding fan skeleton of dry tack free is placed into spray chamber, after ox bone folding fan skeleton surface spraying high gas oil ratio ox bone Precerving liquid, dries in the shade under room temperature;
J. ox bone folding fan skeleton surface cotton is carried out wiping repeatedly, until there is the bag pulp layer of glossy state.
Shared by the concrete composition of described Antimicrobial preservative solvent and various composition, mass fraction is as follows:
Composition |
Embodiment one |
Embodiment two |
Embodiment three |
Ethanol |
50 parts |
65 parts |
80 parts |
Glycerine |
5 parts |
6 parts |
8 parts |
High oleic sunflower oil |
5 parts |
6 parts |
8 parts |
Tea Polyphenols |
1 part |
1.3 part |
2 parts |
Protamine |
1 part |
1.4 part |
2 parts |
Shitosan |
2 parts |
4 parts |
6 parts |
Wherein, it is as follows that described Antimicrobial preservative boils mass fraction shared by the concrete composition of material and various composition:
Composition |
Embodiment one |
Embodiment two |
Embodiment three |
Dry lilac |
3 parts |
4.5 part |
5 parts |
Dry purple perilla |
1 part |
2.5 part |
3 parts |
The capsule of weeping forsythia |
1 part |
2.5 part |
3 parts |
Antimicrobial preservative solvent and Antimicrobial preservative boil the mass fraction of material than being 5:1.
The mass fraction of the component that described high gas oil ratio ox bone Precerving liquid comprises and each component is as follows:
High oleic sunflower oil 7 parts;
3 parts, butter;
1 part, natural beeswax;
1 part, natural plants wax;
Glycerine 2 parts.
Carry out antibacterial experiment and senile experiment respectively to ox bone folding fan skeleton after treatment, experimental result is as follows:
(1) experimental result of antibacterial experiment:
Interventions Requested |
The method of inspection |
Unit |
Embodiment one |
Embodiment two |
Embodiment three |
Mould clearance |
GB15979-2002 |
% |
73 |
75 |
75 |
Black-koji mould clearance |
GB15979-2002 |
% |
69 |
70 |
71 |
Aspergillus flavus clearance |
GB15979-2002 |
% |
60 |
60 |
66 |
Gram-bacteria clearance |
GB15979-2002 |
% |
52 |
55 |
55 |
Staphylococcus aureus clearance |
GB15979-2002 |
% |
79 |
80 |
81 |
Beta streptococcus clearance |
GB15979-2002 |
% |
60 |
65 |
66 |
Hay bacillus clearance |
GB15979-2002 |
% |
40 |
43 |
42 |
Bacillus megaterium clearance |
GB15979-2002 |
% |
50 |
55 |
54 |
Bacillus licheniformis clearance |
GB15979-2002 |
% |
61 |
65 |
66 |
Solidify bacillus clearance |
GB15979-2002 |
% |
42 |
45 |
50 |
Lactobacillus plantarum clearance |
GB15979-2002 |
% |
25 |
25 |
26 |
Streptococcus fecalis clearance |
GB15979-2002 |
% |
80 |
79 |
81 |
Escherichia coli clearance |
GB15979-2002 |
% |
69 |
70 |
78 |
(2) senile experiment result:
After 12 hours weather resistant experiment, material property is unchanged, and concrete testing result is as follows:
Test event |
Testing standard |
Embodiment one |
Embodiment two |
Embodiment three |
Moisture content |
ASTM D648≤2% |
0.25% |
0.3% |
0.31% |
Water absorption rate |
ASTM D648 |
1.0% |
1.2% |
1.2% |
Thickness swelling rate |
≤1% |
0.1% |
0.1% |
0.1% |
Bending strength |
ASTM D1037-93 |
20N/mm
2 |
25N/mm
2 |
25N/mm
2 |
Bending strength GB/T8815/1998 |
±2.5% |
±0.20% |
±0.23% |
±0.23% |
MOR |
≥20MPa |
39MPa |
41MPa |
40MPa |
High temperature is change in size repeatedly |
±0.2% |
-0.2% |
-0.1% |
-0.5% |
Surface anti-pollution |
In GB/T17657-1999 standard 4.37 |
Pollution-free vestige |
Pollution-free vestige |
Pollution-free vestige |
Color stability |
±15% |
10% |
8.9% |
9% |
Weatherability |
LY/T1613-2004≥16MPa |
21MPa |
21MPa |
21MPa |
State after 150 degrees Centigrade |
Bubble-free, slight crack, pit, separation |
Meet |
Meet |
Meet |
Fire protecting performance |
BS6948:1989 |
94-v0 |
94-v0 |
94-v0 |
Hardness |
ASTM D2240≤0.1% |
0.09% |
0.09% |
0.08% |
Ageing resistace |
12 hours weather resistant experiment |
Material property is unchanged |
Material property is unchanged |
Material property is unchanged |
Experiment proves, anti-aging, the weather-proof ability of treated ox bone folding fan skeleton is strong, and other basic indexs are good.
Contrast experiment two
Mosquito dispersing, the anti-corrosive antibacterial processing technology of a kind of ox bone folding fan skeleton of the present invention, comprise Antimicrobial preservative solvent and Antimicrobial preservative boils material, and wherein, shared by the concrete composition of described Antimicrobial preservative solvent and various composition, mass fraction is as follows:
Composition |
Embodiment four |
Embodiment five |
Embodiment six |
Ethanol |
50 parts |
65 parts |
80 parts |
Glycerine |
5 parts |
6 parts |
8 parts |
High oleic sunflower oil |
5 parts |
6 parts |
8 parts |
Tea Polyphenols |
1 part |
1.3 part |
2 parts |
Protamine |
1 part |
1.4 part |
2 parts |
Shitosan |
2 parts |
4 parts |
6 parts |
Sldium lauryl sulfate |
1 part |
3.5 part |
4 parts |
Salicylate |
1 part |
2.5 part |
4 parts |
Sodium carboxymethylcellulose |
1 part |
2 parts |
3 parts |
Wherein, it is as follows that described Antimicrobial preservative boils mass fraction shared by the concrete composition of material and various composition:
Composition |
Embodiment four |
Embodiment five |
Embodiment six |
Dry lilac |
3 parts |
4.5 part |
5 parts |
Dry purple perilla |
1 part |
2.5 part |
3 parts |
The capsule of weeping forsythia |
1 part |
2.5 part |
3 parts |
Wherein, Antimicrobial preservative solvent and Antimicrobial preservative boil the mass fraction of material than being 5:1.All the other techniques and proportioning, with contrast experiment one, repeat no more.
Carry out antibacterial experiment and senile experiment respectively to ox bone folding fan skeleton after treatment, experimental result is as follows:
(1) experimental result of antibacterial experiment:
Interventions Requested |
The method of inspection |
Unit |
Embodiment four |
Embodiment five |
Embodiment six |
Mould clearance |
GB15979-2002 |
% |
83 |
85 |
85 |
Black-koji mould clearance |
GB15979-2002 |
% |
71 |
72 |
79 |
Aspergillus flavus clearance |
GB15979-2002 |
% |
75 |
78 |
80 |
Gram-bacteria clearance |
GB15979-2002 |
% |
60 |
65 |
70 |
Staphylococcus aureus clearance |
GB15979-2002 |
% |
81 |
80 |
85 |
Beta streptococcus clearance |
GB15979-2002 |
% |
70 |
75 |
76 |
Hay bacillus clearance |
GB15979-2002 |
% |
50 |
54 |
55 |
Bacillus megaterium clearance |
GB15979-2002 |
% |
65 |
70 |
70 |
Bacillus licheniformis clearance |
GB15979-2002 |
% |
83 |
83 |
85 |
Solidify bacillus clearance |
GB15979-2002 |
% |
42 |
50 |
53 |
Lactobacillus plantarum clearance |
GB15979-2002 |
% |
25 |
27 |
30 |
Streptococcus fecalis clearance |
GB15979-2002 |
% |
83 |
80 |
84 |
Escherichia coli clearance |
GB15979-2002 |
% |
70 |
73 |
80 |
(2) senile experiment result:
After 12 hours weather resistant experiment, material property is unchanged, and concrete testing result is as follows:
Test event |
Testing standard |
Embodiment four |
Embodiment five |
Embodiment six |
Moisture content |
ASTM D648≤2% |
0.24% |
0.2% |
0.25% |
Water absorption rate |
ASTM D648 |
1.0% |
1.1% |
1.1% |
Thickness swelling rate |
≤1% |
0.1% |
0.1% |
0.1% |
Bending strength |
ASTM D1037-93 |
20N/mm
2 |
25N/mm
2 |
25N/mm
2 |
Bending strength GB/T8815/1998 |
±2.5% |
±0.20% |
±0.20% |
±0.21% |
MOR |
≥20MPa |
40MPa |
45MPa |
45MPa |
High temperature is change in size repeatedly |
±0.2% |
-0.2% |
-0.1% |
-0.1% |
Surface anti-pollution |
In GB/T17657-1999 standard 4.37 |
Pollution-free vestige |
Pollution-free vestige |
Pollution-free vestige |
Color stability |
±15% |
5% |
7% |
5% |
Weatherability |
LY/T1613-2004≥16MPa |
25MPa |
24MPa |
25MPa |
State after 150 degrees Centigrade |
Bubble-free, slight crack, pit, separation |
Meet |
Meet |
Meet |
Fire protecting performance |
BS6948:1989 |
94-v0 |
94-v0 |
94-v0 |
Hardness |
ASTM D2240≤0.1% |
0.09% |
0.07% |
0.06% |
Ageing resistace |
12 hours weather resistant experiment |
Material property is unchanged |
Material property is unchanged |
Material property is unchanged |
Experiment proves, in embodiment 1, do not add surfactant, detergent-dispersant additive and sodium carboxymethylcellulose, and in embodiment 456, the material and component basis of former embodiment 1 add surfactant, detergent-dispersant additive and sodium carboxymethylcellulose, newly adds and make bacteria-eliminating efficacy and material behavior all be promoted about 7-11%, prove that all anti-corrosive antibacterial compositions merge by it consistent, synergy order Antimicrobial preservative effect realize maximize, optimization.
Above-mentioned embodiment is only the preferred embodiment of the invention, and for those skilled in the art, under the prerequisite meeting operation principle of the present invention, any equivalent or similar replacement all falls within the scope of protection of the present invention.