CN114436615B - Flying saucer target - Google Patents
Flying saucer target Download PDFInfo
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- CN114436615B CN114436615B CN202210283383.2A CN202210283383A CN114436615B CN 114436615 B CN114436615 B CN 114436615B CN 202210283383 A CN202210283383 A CN 202210283383A CN 114436615 B CN114436615 B CN 114436615B
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- clay
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- flying saucer
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/34—Metals, e.g. ferro-silicon
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/18—Waste materials; Refuse organic
- C04B18/24—Vegetable refuse, e.g. rice husks, maize-ear refuse; Cellulosic materials, e.g. paper, cork
- C04B18/248—Vegetable refuse, e.g. rice husks, maize-ear refuse; Cellulosic materials, e.g. paper, cork from specific plants, e.g. hemp fibres
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention relates to a clay target for shooting, in particular to an environment-friendly clay target. The clay target is prepared from the following components in parts by weight: 60 to 65 portions of clay, 15 to 20 portions of mountain flour, 8 to 10 portions of pregelatinized starch, 0.5 to 1 portion of sodium carboxymethyl starch, 0.3 to 0.6 portion of micro-powder silica gel, 1 to 3 portions of talcum powder, 0.4 to 0.6 portion of magnesium stearate and wetting water; the components also comprise 0.5-1 part of iron powder. The clay target has low stone powder content, and is beneficial to the growth of lawn vegetation in a target range; environmental protection and low product cost. Although the content of the stone powder is low, the performance of the prepared clay target meets the relevant quality requirements of the clay target.
Description
The application is a divisional application of an invention patent application with the application number of 2020109532748, the application date of which is 9/11/2020 and is named as a flying saucer target.
Technical Field
The invention relates to a flying saucer target for shooting, in particular to an environment-friendly flying saucer target.
Background
The flying saucer item is similar to hunting activity, is strong in interestingness and is popular with people.
Early flying saucer projects were the pigeon flying was shot and then the target was shot. At present, the clay target material is mainly prepared by mixing and pressing asphalt as a gel material and stone powder, and after the clay target is crushed, the asphalt is scattered on the ground, thus seriously polluting the environment. To overcome the above drawbacks, researchers in the field have conducted a great deal of research, such as: the Chinese patent application with the application number of CN 200510034045.1 and the invention name of 'green environment-friendly degradable compound fertilizer clay target' discloses a clay target which is prepared by taking clay, chemical fertilizer, calcium hydroxide and water as raw materials. The invention solves the problem of asphalt pollution of the traditional flying saucer target material, but because the flying saucer target mainly adopts clay as a framework material, the hardness of the prepared flying saucer target can not meet the requirements of GBT 23120-2008 on the flying saucer target, and the adoption of calcium hydroxide as a binder is not beneficial to the growth of lawn vegetation in a target range.
Another example is: the Chinese patent application with the application number of 200810229199.X and the invention name of 'high-temperature resistant instant full-degradable environment-friendly clay target' discloses a clay target which is prepared by adopting a framework stone powder material, a composite adhesive, a dispersing agent, a stabilizing agent and a release agent as raw materials. The invention also solves the problem of asphalt pollution of the traditional clay target material, and the prepared clay target is high temperature resistant and convenient to transport. However, the clay target adopts 80-85% of stone powder materials, and a large amount of crushed clay target stone powder is scattered on the lawn vegetation in the target range, so that the growth of the lawn vegetation in the target range is not facilitated; in addition, the energy consumption for crushing the stone powder is high, so that the environment is not protected, and the product cost is increased.
Disclosure of Invention
The invention aims to solve the first technical problem of providing a flying saucer target which is more environment-friendly.
In order to solve the first technical problem of the invention, the clay target is prepared from the following components in parts by weight:
60-65 parts of clay, 15-20 parts of stone powder, 8-10 parts of pregelatinized starch, 0.5-1 part of sodium carboxymethyl starch, 0.3-0.6 part of superfine silica gel powder, 1-3 parts of talcum powder, 0.4-0.6 part of magnesium stearate and wetting water; the components also comprise 0.5 to 1 portion of iron powder.
In a specific embodiment, the clay is 60 to 63 parts, and the stone powder is 15 to 18 parts.
In a specific embodiment, the component also comprises 0.1-0.5 part of flax fiber.
In a specific embodiment, the iron powder has a particle size of less than 0.5 μm.
In a specific embodiment, the clay has a particle size of 100-300 meshes, the stone powder has a particle size of 300-600 meshes, the micropowder silica gel has a particle size of 800-1200 meshes, and the talc powder has a particle size of 1500-2000 meshes.
In a specific embodiment, the clay has a particle size of 100-200 meshes, the stone powder has a particle size of 400-600 meshes, the micropowder silica gel has a particle size of 800-1000 meshes, and the talc powder has a particle size of 1500-1800 meshes.
In a specific embodiment, the method for preparing the clay target comprises the following steps:
a. mixing clay, stone powder and iron powder, and stirring at 1000-1500 rpm for more than 30min to obtain a mixture 1;
b. adding pregelatinized starch, sodium carboxymethyl starch, superfine silica powder, talcum powder, magnesium stearate and wetting water in the step a, mixing, and stirring at 1000-1500 rpm for more than 20min to obtain a mixture 2;
c. forming the mixture 2 to obtain a flying saucer target blank;
d. drying the flying saucer target blank at 50-80 ℃ for 30-80 min to obtain the flying saucer target blank.
In a specific embodiment, the step a is stirred for 30 to 60min at 1000 to 1200 rpm.
In a specific embodiment, the molding in step c is vacuum extrusion molding.
A method for preparing a clay target, the method comprising:
a. mixing 60-65 parts by weight of clay, 15-20 parts by weight of stone powder and 0.5-1 part by weight of iron powder, and stirring at 1000-1500 rpm for more than 30min to obtain a mixture 1; preferably, the step a is stirred for 30-60 min at 1000-1200 r/min;
b. adding 8-10 parts by weight of pregelatinized starch, 0.5-1 part by weight of sodium carboxymethyl starch, 0.3-0.6 part by weight of superfine silica powder, 1-3 parts by weight of talcum powder, 0.4-0.6 part by weight of magnesium stearate and wetting water in the step a for mixing, and stirring for more than 20min at 1000-1500 rpm to obtain a mixture 2;
c. forming the mixture 2 to obtain a flying saucer target blank;
d. drying the flying saucer target blank at 50-80 ℃ for 30-80 min to obtain the flying saucer target blank.
In a specific embodiment, the clay has a particle size of 100-300 meshes, the stone powder has a particle size of 300-600 meshes, the micropowder silica gel has a particle size of 800-1200 meshes, and the talcum powder has a particle size of 1500-2000 meshes;
preferably, the particle size of the clay is 100-200 meshes, the particle size of the stone powder is 400-600 meshes, the particle size of the micropowder silica gel is 800-1000 meshes, and the particle size of the talcum powder is 1500-1800 meshes.
In a specific embodiment, the molding in step c is vacuum extrusion molding.
In a specific embodiment, 0.1-0.5 part of flax fiber is also added in the step a.
In a specific embodiment, the iron powder has a particle size of less than 0.5 μm.
Has the advantages that:
the clay target has low stone powder content, and is beneficial to the growth of lawn vegetation in a target range; environmental protection and low product cost.
Although the content of the stone powder is low, the performance of the prepared clay target meets the relevant quality requirements of the clay target.
The clay has the granularity of 100-300 meshes, the stone powder has the granularity of 300-600 meshes, the micropowder silica gel has the granularity of 800-1200 meshes, the talcum powder has the granularity of 1500-2000 meshes, the clay, the stone powder, the micropowder silica gel and the talcum powder form a certain gradient, gaps among mixed materials are small, under the mutual matching of pregelatinized starch, sodium carboxymethyl starch and magnesium stearate, the bonding is tighter, and the obtained clay target has good strength.
After the materials are mixed, the materials are extruded and formed in vacuum, air in the materials is removed, the obtained clay target is compact in internal structure and better in bonding, and the strength can be further improved.
The invention also preferably adds 0.1 to 0.5 weight part of flax fiber, the material is adhered on the flax fiber, the adhesion effect is good, the flax fiber of 0.1 to 0.5 weight part hardly influences the strength performance of the clay target, and the clay target is scattered into blocks after being used and is easy to be cleaned on the lawn.
The invention also preferably adds 0.5-1 weight part of iron powder, the iron powder is wrapped in the inside of the clay target material, the powder scattered on the lawn after the clay target is used can be sucked by the magnet, and the grass on the lawn is not affected.
Detailed Description
In order to solve the first technical problem, the clay target is prepared from the following components in parts by weight:
60-65 parts of clay, 15-20 parts of stone powder, 8-10 parts of pregelatinized starch, 0.5-1 part of sodium carboxymethyl starch, 0.3-0.6 part of superfine silica gel powder, 1-3 parts of talcum powder, 0.4-0.6 part of magnesium stearate and wetting water; the components also comprise 0.5 to 1 portion of iron powder.
In a specific embodiment, the clay is 60 to 63 parts, and the stone powder is 15 to 18 parts.
In a specific embodiment, the component also comprises 0.1-0.5 part of flax fiber.
In a specific embodiment, the iron powder has a particle size of less than 0.5 μm.
In a specific embodiment, the clay has a particle size of 100-300 meshes, the stone powder has a particle size of 300-600 meshes, the micropowder silica gel has a particle size of 800-1200 meshes, and the talc powder has a particle size of 1500-2000 meshes.
In a specific embodiment, the clay has a particle size of 100-200 meshes, the stone powder has a particle size of 400-600 meshes, the micropowder silica gel has a particle size of 800-1000 meshes, and the talc powder has a particle size of 1500-1800 meshes.
In a specific embodiment, the method for preparing the clay target comprises the following steps:
a. mixing clay, stone powder and iron powder, and stirring at 1000-1500 rpm for more than 30min to obtain a mixture 1;
b. adding pregelatinized starch, sodium carboxymethyl starch, superfine silica gel powder, talcum powder, magnesium stearate and wetting water in the step a, mixing, and stirring at 1000-1500 rpm for more than 20min to obtain a mixture 2;
c. forming the mixture 2 to obtain a flying saucer target blank;
d. drying the flying saucer target blank at 50-80 ℃ for 30-80 min to obtain the flying saucer target blank.
In a specific embodiment, the step a is stirred for 30 to 60min at 1000 to 1200 rpm.
In a specific embodiment, the forming in step c is vacuum extrusion forming.
The second technical problem to be solved by the invention is to provide a method for preparing the clay target.
In order to solve the second technical problem of the present invention, the method for preparing the clay target comprises:
a. mixing 60-65 parts by weight of clay, 15-20 parts by weight of stone powder and 0.5-1 part by weight of iron powder, and stirring at 1000-1500 rpm for more than 30min to obtain a mixture 1; preferably, the step a is stirred for 30-60 min at 1000-1200 r/min;
b. adding 8-10 parts by weight of pregelatinized starch, 0.5-1 part by weight of sodium carboxymethyl starch, 0.3-0.6 part by weight of superfine silica gel powder, 1-3 parts by weight of talcum powder, 0.4-0.6 part by weight of magnesium stearate and wetting water in the step a, mixing, and stirring at 1000-1500 rpm for more than 20min to obtain a mixture 2;
c. forming the mixture 2 to obtain a flying saucer target blank;
d. drying the flying saucer target blank at 50-80 ℃ for 30-80 min to obtain the flying saucer target blank.
In a specific embodiment, the clay has a particle size of 100-300 meshes, the stone powder has a particle size of 300-600 meshes, the micropowder silica gel has a particle size of 800-1200 meshes, and the talcum powder has a particle size of 1500-2000 meshes;
preferably, the particle size of the clay is 100-200 meshes, the particle size of the stone powder is 400-600 meshes, the particle size of the micropowder silica gel is 800-1000 meshes, and the particle size of the talcum powder is 1500-1800 meshes.
In a specific embodiment, the molding in step c is vacuum extrusion molding.
In a specific embodiment, flax fiber 0.1-0.5 part is also added in step a.
In a specific embodiment, the iron powder has a particle size of less than 0.5 μm.
The following examples are provided to further illustrate the embodiments of the present invention and are not intended to limit the scope of the present invention.
Example 1
a. Mixing 600g of clay with 100-200 meshes and 200g of stone powder with 400-600 meshes, and stirring at 1500 rpm for 40min to obtain a mixture 1;
b. adding 100g of pregelatinized starch, 5g of sodium carboxymethyl starch, 3g of superfine silica powder of 800-1000 meshes, 10g of talcum powder of 1500-1800 meshes, 4g of magnesium stearate and water with wetting amount in the step a, mixing, and stirring at 1200 rpm for 20min to obtain a mixture 2;
c. extruding and forming the mixture 2 to obtain a flying saucer target blank;
d. drying the flying saucer target blank at 50-60 ℃ for 40min to obtain the flying saucer target.
Example 2
a. 630g of clay with 100-200 meshes and 180g of stone powder with 400-600 meshes are mixed and stirred for 40min at 1500 rpm to obtain a mixture 1;
b. adding 90g of pregelatinized starch, 5g of sodium carboxymethyl starch, 3g of superfine silica powder of 800-1000 meshes, 10g of talcum powder of 1500-1800 meshes, 4g of magnesium stearate and wetting water in the step a, mixing, and stirring at 1200 rpm for 20min to obtain a mixture 2;
c. extruding and forming the mixture 2 to obtain a flying saucer target blank;
d. and drying the flying saucer target blank at 50-60 ℃ for 40min to obtain the flying saucer target.
Example 3
a. 650g of clay with 100-200 meshes and 200g of stone powder with 400-600 meshes are mixed and stirred for 40min at 1500 rpm to obtain a mixture 1;
b. adding 100g of pregelatinized starch, 10g of sodium carboxymethyl starch, 5g of 800-1000 mesh micropowder silica gel, 15g of 1500-1800 mesh talcum powder, 5g of magnesium stearate and wetting water in the step a, mixing, and stirring at 1200 rpm for 20min to obtain a mixture 2;
c. extruding and forming the mixture 2 to obtain a flying saucer target blank;
d. drying the flying saucer target blank at 50-60 ℃ for 40min to obtain the flying saucer target.
Example 4
a. Mixing 600g of clay with 200-300 meshes, 200g of mountain flour with 400-600 meshes and 3g of flax fiber, and stirring at 1300 rpm for 50min to obtain a mixture 1;
b. adding 100g of pregelatinized starch, 5g of sodium carboxymethyl starch, 3g of 800-1000 mesh micropowder silica gel, 10g of 1500-1800 mesh talcum powder, 4g of magnesium stearate and wetting water in the step a, mixing, and stirring at 1200 rpm for 20min to obtain a mixture 2;
c. extruding and forming the mixture 2 to obtain a flying saucer target blank;
d. and drying the flying saucer target blank at the temperature of 60-70 ℃ for 30min to obtain the flying saucer target.
Example 5
a. Mixing 600g of clay with 100-200 meshes, 200g of mountain flour with 400-600 meshes, 8g of iron powder with the particle size of less than 0.5 mu m and 3g of flax fiber, and stirring at 1500 rpm for 40min to obtain a mixture 1;
b. adding 100g of pregelatinized starch, 5g of sodium carboxymethyl starch, 3g of micro-powder silica gel of 900-1100 meshes, 10g of talcum powder of 1500-1800 meshes, 4g of magnesium stearate and water with wetting amount in the step a, mixing, and stirring for 30min at 1300 r/min to obtain a mixture 2;
c. extruding and forming the mixture 2 to obtain a flying saucer target blank;
d. and drying the flying saucer target blank at 50-60 ℃ for 40min to obtain the flying saucer target.
Example 6
a. Mixing 600g of clay with 100-200 meshes and 200g of stone powder with 400-600 meshes, and stirring at 1500 rpm for 40min to obtain a mixture 1;
b. adding 100g of pregelatinized starch, 5g of sodium carboxymethyl starch, 3g of 800-1000 mesh micropowder silica gel, 10g of 1500-1800 mesh talcum powder, 4g of magnesium stearate and wetting water in the step a, mixing, and stirring at 1200 rpm for 20min to obtain a mixture 2;
c. carrying out vacuum extrusion molding on the mixture 2 to obtain a flying saucer target blank;
d. and drying the flying saucer target blank at 70-80 ℃ for 30min to obtain the flying saucer target.
Example 7
a. Mixing 600g of clay with 100-300 meshes and 200g of stone powder with 100-300 meshes, and stirring at 1500 rpm for 40min to obtain a mixture 1;
b. adding 100g of pregelatinized starch, 5g of sodium carboxymethyl starch, 3g of micropowder silica gel of 100-300 meshes, 10g of talcum powder of 100-300 meshes, 4g of magnesium stearate and wetting water in the step a, mixing, and stirring at 1200 rpm for 20min to obtain a mixture 2;
c. extruding and forming the mixture 2 to obtain a flying saucer target blank;
d. and drying the flying saucer target blank at 50-60 ℃ for 40min to obtain the flying saucer target.
Comparative example 1
a. Mixing 500g of clay with 100-200 meshes and 300g of stone powder with 400-600 meshes, and stirring at 1500 rpm for 40min to obtain a mixture 1;
b. adding 50g of pregelatinized starch, 4g of sodium carboxymethyl starch, 2g of superfine silica powder of 800-1000 meshes, 6g of talcum powder of 1500-1800 meshes, 5g of magnesium stearate and water with wetting amount in the step a, mixing, and stirring at 1200 rpm for 20min to obtain a mixture 2;
c. extruding and forming the mixture 2 to obtain a flying saucer target blank;
d. and drying the flying saucer target blank at 50-60 ℃ for 40min to obtain the flying saucer target.
The items inspected by the clay target prepared in the embodiment are qualified according to international union program and rule and enterprise technical condition standard, and the detailed inspection results are as follows:
table 1 example and comparative example 5 test results were repeated
Claims (8)
1. The clay target is characterized by being prepared from the following components in parts by weight:
60-65 parts of clay, 15-20 parts of mountain flour, 8-10 parts of pregelatinized starch, 0.5-1 part of sodium carboxymethyl starch, 0.3-0.6 part of micro powder silica gel, 1-3 parts of talcum powder, 0.4-0.6 part of magnesium stearate, 0.5-1 part of iron powder and water with wetting amount; the granularity of the clay is 100-300 meshes, the granularity of the stone powder is 300-600 meshes, the granularity of the micro silica gel powder is 800-1200 meshes, and the granularity of the talcum powder is 1500-2000 meshes.
2. The clay target according to claim 1, wherein the clay is 60 to 63 parts and the stone powder is 15 to 18 parts.
3. The flying saucer target as recited in claim 1, wherein: the particle size of the iron powder is less than 0.5 mu m.
4. The flying saucer target as recited in claim 1, wherein: the particle size of the clay is 100-200 meshes, the particle size of the stone powder is 400-600 meshes, the particle size of the micropowder silica gel is 800-1000 meshes, and the particle size of the talcum powder is 1500-1800 meshes.
5. The flying saucer target as claimed in claim 1 or 2, wherein: the preparation method of the clay target comprises the following steps:
a. mixing clay, stone powder and iron powder, and stirring at 1000-1500 rpm for more than 30min to obtain a mixture 1;
b. adding pregelatinized starch, sodium carboxymethyl starch, superfine silica gel powder, talcum powder, magnesium stearate and wetting water in the step a, mixing, and stirring at 1000-1500 rpm for more than 20min to obtain a mixture 2;
c. forming the mixture 2 to obtain a flying saucer target blank;
d. drying the flying saucer target blank at 50-80 ℃ for 30-80 min to obtain the flying saucer target blank.
6. The flying saucer target of claim 5, wherein: step a, stirring for 30-60 min at 1000-1200 r/min.
7. The clay target of claim 5, wherein: and c, extruding and molding.
8. The flying saucer target of claim 7, wherein: the extrusion molding is vacuum extrusion molding.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210283383.2A CN114436615B (en) | 2020-09-11 | 2020-09-11 | Flying saucer target |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010953274.8A CN112028590B (en) | 2020-09-11 | 2020-09-11 | Flying saucer target |
| CN202210283383.2A CN114436615B (en) | 2020-09-11 | 2020-09-11 | Flying saucer target |
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| CN202010953274.8A Division CN112028590B (en) | 2020-09-11 | 2020-09-11 | Flying saucer target |
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| CN114436615B true CN114436615B (en) | 2023-01-24 |
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| CA2369177A1 (en) * | 2002-01-23 | 2003-07-23 | Ronald J. Miller | Shotgun trigger mechanism for competitive clay target shooting |
| CN101654353A (en) * | 2008-08-22 | 2010-02-24 | 衡墩建 | Environment-friendly degradable clay target composition and preparation method thereof |
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- 2020-09-11 CN CN202010953274.8A patent/CN112028590B/en active Active
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| CN1258696A (en) * | 2000-01-19 | 2000-07-05 | 刘广大 | Degradable skeet material composite and its application in making skeet |
| WO2001053231A1 (en) * | 2000-01-19 | 2001-07-26 | Li, Ping | Environmentally safe and biodegradable composition for manufacturing the skeet target which is used for trapshooting, as well as it's application |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN112028590B (en) | 2022-04-22 |
| CN114436615A (en) | 2022-05-06 |
| CN112028590A (en) | 2020-12-04 |
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