KR101680574B1 - Antimicrobial impact resistance sewers with silver and jade - Google Patents

Antimicrobial impact resistance sewers with silver and jade Download PDF

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Publication number
KR101680574B1
KR101680574B1 KR1020160032560A KR20160032560A KR101680574B1 KR 101680574 B1 KR101680574 B1 KR 101680574B1 KR 1020160032560 A KR1020160032560 A KR 1020160032560A KR 20160032560 A KR20160032560 A KR 20160032560A KR 101680574 B1 KR101680574 B1 KR 101680574B1
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weight
parts
jade
silver
polyvinyl chloride
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KR1020160032560A
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Korean (ko)
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고용배
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(주) 엠에스
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D23/00—Producing tubular articles
    • B29D23/001—Pipes; Pipe joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B11/00—Making preforms
    • B29B11/06—Making preforms by moulding the material
    • B29B11/10—Extrusion moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • B29C47/0023—
    • B29C47/882—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels
    • B29C57/02—Belling or enlarging, e.g. combined with forming a groove
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F3/00—Sewer pipe-line systems
    • E03F3/04—Pipes or fittings specially adapted to sewers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L17/00—Joints with packing adapted to sealing by fluid pressure
    • F16L17/02—Joints with packing adapted to sealing by fluid pressure with sealing rings arranged between outer surface of pipe and inner surface of sleeve or socket
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/12—Rigid pipes of plastics with or without reinforcement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/06—PVC, i.e. polyvinylchloride
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2305/00—Use of metals, their alloys or their compounds, as reinforcement
    • B29K2305/08—Transition metals
    • B29K2305/14—Noble metals, e.g. silver, gold or platinum

Abstract

The present invention relates to an antimicrobial impact-resistant sewer pipe using silver and jade, and more specifically, to an antimicrobial impact-resistant sewer pipe using silver and jade which, by mixing a polyvinyl chloride resin containing silver and jade with a composition forming the impact-resistant sewer pipe, provides the benefit of using antibiotic materials on the inner surface of the sewer pipe by exploiting the far-infrared radiation efficiency, inhibitory effect on proliferation of bacteria, and disinfecting and antibacterial abilities of the environment-improving materials, silver and jade. According to the present invention, 0.05-00.5 parts by weight of silver powder and 5-15 parts by weight of jade powder, with respect to 100 parts by weight of a polyvinyl chloride (PVC) resin having a degree of polymerization of 800-1,200, are stirred by a mixer and heated to 180-230C and then molded into a chip by an extruder. A PVC resin composition for sewer pipes comprising 3.5-5 parts by weight of a complex stabilizer, 5-12 parts by weight of precipitated calcium carbonate, and 0.2-3 parts by weight of a lubricant with respect to 100 parts by weight of the PVC resin and the chip is stirred by a mixer and re-introduced in the extruder. A mold for forming sewer pipes is connected, and the PVC resin composition for sewer pipes is melted at 180-230C and extruded to form a tube body.

Description

{Antimicrobial impact resistance sewers with silver and jade}

The present invention relates to an antimicrobial impact resistant sewer pipe using silver and jade, and more particularly, to an impact resistant sewage pipe comprising silver chloride and a polyvinyl chloride resin including jade in a composition constituting an impact resistant sewage pipe, The present invention relates to an antibacterial, impact resistant sewage pipe using silver and jade, which can provide the advantage of being used as an antibiotic material by utilizing efficiency and inhibition of bacterial propagation and sterilization and antibacterial ability.

Generally, a sewer pipe supplying drinking water uses a metal pipe such as a cast iron pipe or an oil pipe. Such a metal pipe is used for a long period of time, and the inner wall of the pipe is corroded by the rust generated in the inner wall of the pipe. But also the workability of the metal pipe is poor due to the heavy weight at the time of installation and transportation.

The above problems can be solved by replacing olefinic high density polyethylene (HDPE) and polyvinyl chloride (PVC) resin, which improves the impact resistance of the synthetic resin sewage pipe which is weaker in strength than the metal pipe, In case of sewage shed at low speed or long stay, harmful microorganisms such as Escherichia coli may produce odor, which may cause unpleasant odors. In severe cases, it may cause diarrhea, enteritis and food poisoning. Therefore, when sewage pipe made of synthetic resin, Have been developed.

As a technique for imparting antimicrobial properties to a synthetic resin, there has been known an antibacterial polyolefin which combines an inorganic antibacterial agent containing polyethylene and zinc as active ingredients, and synthetic resins such as calcium triphosphate, hydroxyapatite, calcium hydrogen phosphate and antimicrobial compounds Is known.

On the other hand, far-infrared energy emitting materials are various. There are various products such as jade, oak charcoal, and elvan. Tourmaline was used in diluted water, and it was about to be made with adhesive-free mixed sheet. However, the far infrared ray energy emissivity of these products was about 40 to 100. The highest purity jade tested was about 100.

First, jade has various supernatural and mysterious effects as recorded in Oriental medicine's Dongbok-gog and Bon-gok gangmok. Among these efficacies, far-infrared radiation function, antibacterial activity Function, the function of removing impurities from the object (removal of heavy metals), and the function of changing hard water to soft water.

Jade is divided into nephrite and jadeite. Mineralogically, jadeite is an optical material of monoclinic whitish stone of inosilicate. The quality of nephrite is the structure of its fine structure, It is composed of silica, calcium, iron, magnesium, etc. (SiO 2 , MgO, Fe 2 O, CaO, Na 2 O, H 2 O) as main components. These ingredients are necessary for the growth of plants and animals, antibacterial, fungicidal, deodorizing effect, such as water purification functions that cause far-infrared rays

Is known to radiate a large amount of radiation.

Secondly, it is found that far infrared ray radiator far infrared ray emits far infrared rays when containing specific elements among natural minerals, and radiation energy is emitted as the content and purity of the specific elements are higher. These characteristics

Far-infrared radiation (chemical composition SiO 2 , Al 2 O 3 ) synthesis materials, which are porous crystals with about two times higher radiation intensity than natural minerals, have been developed. By adding the far infrared ray radiation synthesizing material to the epoxy coating composition, it is possible to maximize the function of the jade and to exert an excellent effect on the adsorption action of the pollution substance which is the main cause of the water pollution due to the porous property.

Third, the synthetic non-toxic inorganic antibacterial agent (SiO 2, Al2O 3, Zn, Ag) zeolite carrier: antimicrobial metal (Zn, Ag) to the (chemical composition Me2 / n, O, Al2O 3 , xSiO 2, yH 2 O) , Which is a non-toxic antimicrobial agent, is added to the main composition of epoxy coatings to exhibit strong growth inhibition and killing ability through contact with various microorganisms. Also, unlike organic antimicrobial agents, it is stable at high temperatures and has no volatility or leaching. .

Literature 1. Patent Registration No. 0969655 (registered on Jul. 05, 2010) Document 2. Patent Registration No. 0890796 (registered on Mar. 20, 2009) Document 3. Patent Registration No. 0384929 (registered on May 05, 2003) Document 4. Patent Publication No. 1995-0032428 (registered on December 20, 1995)

Accordingly, it is an object of the present invention to provide a jade powder and a silver powder having the above-described effects, which are mixed with a polyvinyl chloride (PVC) resin, The present invention aims to maximize the effective effect, the far-infrared radiation effect, the antibacterial function, the deodorizing function, the water purification function, and the beneficial effect on the human body by melt-feeding and extrusion molding into a cylindrical sewage pipe.

The present invention relates to a resin composition comprising 100 parts by weight of a polyvinyl chloride (PVC) resin having a degree of polymerization of 800 to 1,200,
0.05 to 100 parts by weight of silver powder and 5 to 15 parts by weight of jade powder are mixed with a mixer, heated to 180 to 230 캜, molded into chips in an extruder,
With respect to 100 parts by weight of the chip and polyvinyl chloride (PVC) resin,
3.5 to 5 parts by weight of a complex stabilizer, 5 to 12 parts by weight of hard calcium carbonate, and 0.2 to 3 parts by weight of a lubricant were mixed with a mixer and re-introduced into an extruder to connect a mold for sewage pipe production, Characterized in that the polyvinyl chloride resin composition for sewage drainage is melted at 180 to 230 캜 and formed into a tube by extrusion.

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The present invention relates to a resin composition comprising 100 parts by weight of a polyvinyl chloride (PVC) resin having a degree of polymerization of 800 to 1,200,
0.05 to 100 parts by weight of silver powder and 5 to 15 parts by weight of jade powder are mixed with a mixer, heated to 180 to 230 캜, molded into chips in an extruder,
A polyvinyl chloride resin composition for sewage drainage comprising 3.5 to 5 parts by weight of a complex stabilizer, 5 to 12 parts by weight of hard calcium carbonate and 0.2 to 3 parts by weight of a lubricant was added to 100 parts by weight of the chip and a polyvinyl chloride (PVC) The polyvinyl chloride resin composition for a sewage pipe is melted at 180 to 230 DEG C and formed into a tube by extrusion,
A tube is formed at one end of the tubular body, a packing groove is formed in the tube-expanding portion, and the packing is coupled to the packing groove.

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The present invention relates to a method for manufacturing a honeycomb structure by mixing powder of silver powder of 700 to 1,200 mash with a polyvinyl chloride (PVC) resin having a powder purity of 200 to 600 mash and a powder purity of 95 to 99% and a moisture content of 0.03 to 0.5% And then extruded from an extruder and extruded into a cylindrical sewer pipe to simultaneously exhibit an antibacterial function, a deodorizing function and a water purifying function for killing bacteria caused by far-infrared radiation, and exhibiting a beneficial effect on the human body Effect.

1 is a sectional view of a sewage pipe according to the present invention,
2 is a partial enlarged cross-sectional view of the sewage pipe of the present invention
FIG. 3 is an enlarged cross-sectional view of a sewage pipe according to the present invention,
4 is a block diagram for explaining the sewage pipe coating method of the present invention

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a cross-sectional view of a sewage pipe according to the present invention in an extruded state, FIG. 2 is a partially enlarged sectional view of a sewer pipe according to the present invention, and FIG. 3 is an enlarged cross- will be.

Based on 100 parts by weight of a polyvinyl chloride (PVC) resin having a degree of polymerization of 800 to 1,200,

0.05 to 100 parts by weight of silver powder and 5 to 15 parts by weight of jade powder are mixed by a mixer, stirred, heated to 180 to 230 캜, formed into chips in an extruder,

A polyvinyl chloride resin composition for sewerage piping comprising 3.5 to 5 parts by weight of a complex stabilizer, 5 to 12 parts by weight of hard calcium carbonate and 0.2 to 3 parts by weight of a lubricant was added to 100 parts by weight of the chip and a polyvinyl chloride (PVC) After stirring the mixture, the mixture is re-introduced into an extruder to connect a metal mold for sewage pipe production, and then the polyvinyl chloride resin composition for a sewage pipe is melted at 180 to 230 캜 and extruded to form a sewage pipe 10 comprising the tube body 11,

A pipe portion 20 is formed at one end of the sewage pipe 10 and a packing groove 30 is formed in the pipe portion 20 and the packing 40 is connected to the packing groove 30, (10) so as to maintain watertightness in the watertight container (20).

The silver powder was ground to a size of 300 to 1,200 mesh,

The jade is milled to a size of 200 to 600 mesh and processed to have a purity of 95 to 99% and a moisture content of 0.03 to 0.5%.

The jade has a radiant energy of 0.93 W / m < 2 > at a wavelength of 5 to 20 mu m and a medium-diameter fiber having a hardness of about 5 to about 5.5 using a FT-IR spectrum.

Additives such as heat stabilizers, ultraviolet stabilizers, and processing improvers which are usually added when forming the tubular body 11 can be added as needed, and they are not particularly limited and may be appropriately selected according to those skilled in the art Additives and processing aids can be selected. Therefore, detailed description thereof will be omitted in the present invention.

A manufacturing method according to the present invention comprises: preparing silver (S10);

Preparing a jade (S20);

The silver powder prepared in the preparation step (S10) and the silver powder prepared in the preparation step (S20) are mixed with a polyvinyl chloride (PVC) resin having a polymerization degree of 800 to 1,200 and heated at 180 to 230 캜 in an extruder A step (S30) of manufacturing chips using silver and silver to be manufactured into chips;

The chip produced in the step of manufacturing the chip (S30) is composed of 3.5 to 5 parts by weight of a complex stabilizer, 5 to 12 parts by weight of hard calcium carbonate and 0.2 to 3 parts by weight of a lubricant, based on 100 parts by weight of a polyvinyl chloride (PVC) The polyvinyl chloride resin composition for sewage drainage is stirred by a mixer and re-introduced into an extruder to connect a mold for sewage pipe production. The polyvinyl chloride resin composition for sewage drainage is melted at 180 to 230 캜, A sewage pipe extrusion step (S40) for extruding the sewage pipe (10);

An expansion step of heating the expansion metal mold to a temperature of 0 to 0 DEG C by extruding and cooling the sewage pipe 10 and then moving to the expansion metal mold and molding the expansion part 20 at one end of the sewage pipe 10 at the expansion metal mold S50); Lt; / RTI >

The silver preparation step S10 for processing the silver is milled to a size of 300 to 1,200 mesh and is composed of 0.05 to 100.5% by weight of the total weight of the polyethylene.

The step (S20) of processing the jade to form jigs to form chips by mixing with the processed silver is carried out in a size of 200 to 600 mesh, and has a purity of 95 to 99% and a moisture content of 0.03 to 0.5% 15 parts by weight.

The oxide is FT-IR radiation with energy of 0.93 W / ㎡ contrast emissivity in 5~20㎛ heukchae using the spectrum, the hardness is from 5 to 5.5, the chemical composition of SiO 2, Fe 2 O 3, CaO, MgO, K 2 O and Na 2 O. When the amount is less than 5 parts by weight, the effect of the present invention is insignificant, and when it is used in an amount of more than 15% by weight, have.

When the silver powder is in the range of 300 to 1,200 mesh and the jade 200 to 600 mesh is composed of a powder having a very small particle size, in particular, when the particle size of jade is small, the amount of the various beneficial ingredients is reduced. The reduction and stirring with the resin can not be performed.

In the manufacturing step S30 and the sewage pipe extrusion step S40, the complex stabilizer is added so that the powdery silver and jade having a higher weight than the polyvinyl chloride (PVC) resin can be easily stirred.

Then, the chip is molded in the step of manufacturing the chip (S30) so that the silver and the jade are uniformly infiltrated. The chip is re-introduced in the sewage pipe extrusion step (S40) and melted and stirred once again, So that the state of silver and jade can be evenly distributed.

The antibacterial sewage pipe using silver and jade according to the present invention can be used for piping used for drinking water since the tubular body 11 of the sewage pipe 10 contains silver and jade.

The antimicrobial sewage pipes using silver and jade complement each other's antibacterial power of silver and jade and provide various beneficial actions through very good antibacterial action and far-infrared radiation.

That is, the silver provides antimicrobial action against yellow staphylococci, E. coli, and pneumococci, and jade exhibits antimicrobial action against fungi and far-infrared ray emissivity.

Here, the sewage pipe 10 containing the silver and the jade is manufactured and tested for the antibacterial activity, which provides the following characteristics.

Sample name: silver nano and ox-containing sewer pipe

Strain used: 1. Staphylococcus aureus ATCC 6538

2. Escherichia coli ATCC 25922

3. Pneumococcus pneumoniae - Klebsiella pneunomiae ATCC 4352

Bacterial reduction rate (%): [(Mb - Mc) / Mb] X 100

Growth rate (F): Mb / Ma (31.6 times or more)

Ma: Number of viable cells immediately after inoculation of control flask (average value of 3 samples)

Mb: Number of viable cells after 18 hours of culture (average value of 3 samples)

Mc: Number of viable cells after 18 hours of culture (average value of 3 samples)

On the other hand, in the test results according to the above test method, the antibacterial activity against all three strains (KS K 0639) was 99.9%.

In addition, the increase in fungal bacteria did not occur in the cultivation of Aspergillus niger ATCC 6275 for 2 weeks in the degree of viscocity (AATCC 30 TM Ⅲ) against the fungus of the nano sewage pipe 10.

As described above, the antibacterial sewage pipe using silver and jade according to the present invention has an excellent antimicrobial action for reducing various kinds of bacteria harmful to human body, and also has an excellent effect on the removal of fungus.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the scope of the appended claims.

The present invention relates to a method for improving the radiation efficiency of far-infrared rays of silver and silver, which is environment improving material, from the inner surface of a sewer pipe by mixing polyvinyl chloride resin including silver and jade, It is a very useful invention.

10: sewage pipe 11: pipe body
20: expansion part 30: packing groove
40: Packing

Claims (5)

Based on 100 parts by weight of a polyvinyl chloride (PVC) resin having a degree of polymerization of 800 to 1,200,
0.05 to 100 parts by weight of silver powder and 5 to 15 parts by weight of jade powder are mixed with a mixer, heated to 180 to 230 캜, molded into chips in an extruder,
With respect to 100 parts by weight of the chip and polyvinyl chloride (PVC) resin,
3.5 to 5 parts by weight of a complex stabilizer, 5 to 12 parts by weight of hard calcium carbonate, and 0.2 to 3 parts by weight of a lubricant were mixed with a mixer and re-introduced into an extruder to connect a mold for sewage pipe production, Characterized in that the polyvinyl chloride resin composition for sewage drainage is melted at 180 to 230 캜 and formed into a tube body (11) by extrusion, and an antibacterial impact resistant sewage pipe using silver and jade.
Based on 100 parts by weight of a polyvinyl chloride (PVC) resin having a degree of polymerization of 800 to 1,200,
0.05 to 100 parts by weight of silver powder and 5 to 15 parts by weight of jade powder are mixed by a mixer and heated to 180 to 230 캜 and molded into chips in an extruder,
A polyvinyl chloride resin composition for sewage drainage comprising 3.5 to 5 parts by weight of a complex stabilizer, 5 to 12 parts by weight of hard calcium carbonate and 0.2 to 3 parts by weight of a lubricant was added to 100 parts by weight of the chip and a polyvinyl chloride (PVC) The polyvinyl chloride resin composition for a sewage pipe is melted at 180 to 230 캜 and formed into a tubular body 11 by extrusion,
And a packing 40 is coupled to the packing groove 30 after forming an expansion tube 20 at one end of the tube 11 and forming a packing groove 30 in the tube expansion portion 20 Antimicrobial Impact Resistance Sewage Pipe Using Silver and Jade.
The method according to claim 1,
The jade powder is pulverized to a size of 200 to 600 mesh and has a purity of 95 to 99% and a moisture content of 0.03 to 0.5%. The antibacterial impact resistant sewage pipe using silver and jade.
The method according to claim 1,
The jade powder has a radiant energy of 0.93 W / m < 2 > W / m < 2 > at 5-20 m and a hardness of 5-5.5 using a FT-IR spectrum. The antibacterial impact resistant sewage pipe .
The method according to claim 1,
Wherein the silver powder is milled to a size of 300 to 1,200 mesh and mixed with jade to provide antibacterial properties.
KR1020160032560A 2016-03-18 2016-03-18 Antimicrobial impact resistance sewers with silver and jade KR101680574B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101870297B1 (en) * 2017-11-13 2018-06-22 방만혁 Composite pipe consisting of stainless steel pipe, steel pipe and anti-corrosion layer
KR101870573B1 (en) * 2017-06-16 2018-06-22 방만혁 Composite pipe consisting of stainless steel pipe, steel pipe and anti-corrosion layer and, manufacturing methods for the same

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Publication number Priority date Publication date Assignee Title
KR950032428A (en) 1994-05-16 1995-12-20 원본미기재 Polyolefin composition for antimicrobial canning and antibacterial pipe for water supply
KR100384929B1 (en) 2001-11-28 2003-05-22 Dong Won Plastic Inc Resin composition for antibacterial and antifungal pipes of waterwork and sewerage, and antibacterial and antifungal pipes of waterwork and sewerage produced by using the same
KR20040073021A (en) * 2003-02-12 2004-08-19 박준남 PVC having powdered jade
KR20060024749A (en) * 2004-09-14 2006-03-17 김주환 Plastic pipe containing ag
KR100890796B1 (en) 2006-02-22 2009-03-31 시나넨 제오믹 가부시키가이샤 Antimicrobial Zeolite and Antimicrobial Composition
KR100969655B1 (en) 2010-02-23 2010-07-14 (주)홍일산업 Antimicrobial pvc waterworks pipe with three layer
KR20100133639A (en) * 2009-06-12 2010-12-22 주식회사 프라코 With the effects of antimicrobial and heavy metal heupchakryeok poly resin for the manufacture of vinyl chloride can joseongmul chanter and chanter from manufacturing to a poly vinyl chloride
KR20110004243A (en) * 2009-10-09 2011-01-13 김학건 Water pipe of fiber reinforced plastic with fiber reinforcement

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR950032428A (en) 1994-05-16 1995-12-20 원본미기재 Polyolefin composition for antimicrobial canning and antibacterial pipe for water supply
KR100384929B1 (en) 2001-11-28 2003-05-22 Dong Won Plastic Inc Resin composition for antibacterial and antifungal pipes of waterwork and sewerage, and antibacterial and antifungal pipes of waterwork and sewerage produced by using the same
KR20040073021A (en) * 2003-02-12 2004-08-19 박준남 PVC having powdered jade
KR20060024749A (en) * 2004-09-14 2006-03-17 김주환 Plastic pipe containing ag
KR100890796B1 (en) 2006-02-22 2009-03-31 시나넨 제오믹 가부시키가이샤 Antimicrobial Zeolite and Antimicrobial Composition
KR20100133639A (en) * 2009-06-12 2010-12-22 주식회사 프라코 With the effects of antimicrobial and heavy metal heupchakryeok poly resin for the manufacture of vinyl chloride can joseongmul chanter and chanter from manufacturing to a poly vinyl chloride
KR20110004243A (en) * 2009-10-09 2011-01-13 김학건 Water pipe of fiber reinforced plastic with fiber reinforcement
KR100969655B1 (en) 2010-02-23 2010-07-14 (주)홍일산업 Antimicrobial pvc waterworks pipe with three layer

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101870573B1 (en) * 2017-06-16 2018-06-22 방만혁 Composite pipe consisting of stainless steel pipe, steel pipe and anti-corrosion layer and, manufacturing methods for the same
WO2018230972A1 (en) * 2017-06-16 2018-12-20 방만혁 Composite pipe comprising stainless steel pipe, steel pipe, and anti-corrosion layer, and manufacturing method therefor
CN110892185A (en) * 2017-06-16 2020-03-17 房卍爀 Composite pipe comprising stainless steel pipe, steel pipe and corrosion-resistant layer, and method for producing same
KR101870297B1 (en) * 2017-11-13 2018-06-22 방만혁 Composite pipe consisting of stainless steel pipe, steel pipe and anti-corrosion layer

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