KR100511441B1 - Manufacturing method of package of liquid chemicals - Google Patents

Manufacturing method of package of liquid chemicals Download PDF

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Publication number
KR100511441B1
KR100511441B1 KR1020040079770A KR20040079770A KR100511441B1 KR 100511441 B1 KR100511441 B1 KR 100511441B1 KR 1020040079770 A KR1020040079770 A KR 1020040079770A KR 20040079770 A KR20040079770 A KR 20040079770A KR 100511441 B1 KR100511441 B1 KR 100511441B1
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South Korea
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sheet
polyethylene
paper
pet
cotton swab
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KR1020040079770A
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Korean (ko)
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임신조
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임신조
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61JCONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/05Containers specially adapted for medical or pharmaceutical purposes for collecting, storing or administering blood, plasma or medical fluids ; Infusion or perfusion containers
    • A61J1/10Bag-type containers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61JCONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14Details; Accessories therefor
    • A61J1/1412Containers with closing means, e.g. caps
    • A61J1/1431Permanent type, e.g. welded or glued
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61JCONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14Details; Accessories therefor
    • A61J1/1468Containers characterised by specific material properties

Abstract

본 발명은 상부로부터 폴리에틸렌테레프탈레이트(PET)12㎛시트(1)와, 상기 폴리에틸렌테레프탈레이트(PET)12㎛시트(1)의 하부에 형성된 폴리에틸렌(PE)20㎛시트(2)와, 상기 폴리에틸렌(PE)20㎛시트(2)의 하부에 형성된 알루미늄호일7㎛(3)과, 상기 알루미늄호일7㎛(3)의 하부에 형성된 폴리에틸렌(PE)20㎛시트(2), 상기 폴리에틸렌(PE)20㎛시트(2)의 하부에 형성된 폴리에틸렌테레프탈레이트 (PET)12㎛시트 (1)와, 상기 폴리에틸렌테레프탈레이트(PET)12㎛시트(1)의 하부에 형성된 폴리에틸렌(PE)20㎛시트(2)와, 상기 폴리에틸렌(PE)20㎛시트(2)의 하부에 형성된 폴리에틸렌(Liner Low Denisity Polyethytlene)30㎛시트(4)순으로 열융착 합지하여 구성된 면봉과 액체약품이 내장된 용지에 관한 것이다.The present invention is a polyethylene terephthalate (PET) 12㎛ sheet (1) from the top, polyethylene (PE) 20㎛ sheet (2) formed in the lower portion of the polyethylene terephthalate (PET) 12㎛ sheet (1), and the polyethylene (PE) an aluminum foil 7 μm (3) formed under the 20 μm sheet 2, a polyethylene (PE) 20 μm sheet 2 formed under the aluminum foil 7 μm (3), and the polyethylene (PE) Polyethylene terephthalate (PET) 12 micrometer sheet (1) formed in the lower part of the 20 micrometer sheet (2), and polyethylene (PE) 20 micrometer sheet (2) formed in the lower part of the said polyethylene terephthalate (PET) 12 micrometer sheet (1). And a cotton swab and a liquid chemical agent formed by heat-sealing the polyethylene (Liner Low Denisity Polyethytlene) formed on the lower portion of the polyethylene (PE) 20 μm sheet 2 in the order of 30 μm sheet 4.

Description

면봉과 액체약품이 내장된 용지의 제조방법{Manufacturing Method of Package of LIQUID CHEMICALS}Manufacturing method of paper containing cotton swab and liquid chemicals {Manufacturing Method of Package of LIQUID CHEMICALS}

본 발명은 면봉에 포비돈아이오다인 약액을 흡착시켜 포장하는 약액을 내장하는 면봉과 액체약품이 내장된 용지의 제조방법에 관한 것이다.The present invention relates to a cotton swab containing a chemical solution for adsorption and packaging the povidone iodide chemicals on a cotton swab and a method for producing a paper containing a liquid medicine.

종래 의약품에는 겔상으로 된 액체의 약품이 있는데 이는 일반적으로 유리병이나 프라스틱용기에 수장 취급되었으며, 근래에 와서는 1회 복용분씩 포장을 하여 휴대하기에 간편하게 하였는데 이때 사용되는 포장재료는 주로 폴리에틸렌필름이 사용하기 때문에 복용시에는 그 봉지를 그 봉지를 일일이 가위로 절단하여야 하는 불편이 있다.Conventional medicines are gel-like liquid medicines, which are generally handled in glass bottles or plastic containers, and in recent years, they have been conveniently packaged once in a single dose and are easy to carry. When used, it is inconvenient to cut the bag with scissors at the time of taking the bag.

한편, 폴리에틸렌필름이 일장방향으로 가위없이 손으로도 절단할 수 있도록 가공된 것이 있으나 이는 생산원가관계로 일반화되어 있지 아니할 뿐 아니라 액체 내복약을 수장하는 봉지로 사용하기에는 여러가지 제약이 있다.On the other hand, the polyethylene film is processed so that it can be cut by hand without scissors in one direction, which is not generalized due to the cost of production, there are various restrictions to use as a bag for storing liquid oral medicine.

또한 근래 은박지와 후지를 접착가공하여 우유등을 포장하는 용지가 있으나 이는 그 두께가 너무 두꺼워서 손으로 자유롭게 절개할 수가 없을뿐 아니라 제조시에 접착가공시간이 너무 길고 열을 요하는 불편이 있다.In addition, there are papers for wrapping milk and paper by adhesive processing of silver foil and Fuji, but the thickness of the paper is too thick to not be freely incision by hand, and the processing time is too long and the inconvenience of requiring heat during manufacture.

대한민국특허공보 등록번호 특1992-307호에 50-70미크론의 무형광지와 8-10미트론의 알미늄박지를 서로 접합하고 알미늄박지 표면에 25-35미크론의 포리에치렌막을 형성 접착함에 있어서 상기 폴리에틸렌막 표면에 파라핀 왁스와 에틸렌비닐아세테이트를 약 4 : 6의 비율로 340-360℃의 온도에서 혼합한 용액을 3미크론이하의 두께로 간헐 도포된 액체약품 수장용지의 제조방법이 기재되어 있고,Polyethylene 50-70 micron and 8-10 micron aluminum foil are bonded together to Korea Patent Publication No. 1992-307 to form a 25-35 micron polystyrene film on the aluminum foil surface. Paraffin wax and ethylene vinyl acetate on the surface of the membrane at a ratio of about 4: 6, a method of producing a liquid pharmaceutical paper which is intermittently applied to a thickness of less than 3 microns, a solution is described.

대한민국등록실용신안공보 등록번호 실1994-1237호에는 일측비닐과 타측비닐의 각변들이 막혀지고, 내부에는 약액이 주입되며, 그 상부측에 가로방향으로 절취선이 형성되는 돌출부를 가지는 봉투로 구성되는 것에 있어서, 상기 봉투 하단의 일정위치에 손잡이부를 형성하고, 봉투 외면에 길이방향으로 미끄러져 움직일 수 있도록 끼워져서 상기 일측 비닐과 타측비닐을 압착시켜 주는 압착크립이 구비된 약액용기가 공개되어 있으나,The Republic of Korea Utility Model Registration No.1994-1237 consists of an envelope with protrusions formed by blocking the sides of one side of the vinyl and the other side of the vinyl, and containing a chemical solution therein, and having a perforated line in the transverse direction on the upper side thereof. In the present invention, there is disclosed a chemical liquid container having a crimp creep that forms a handle portion at a predetermined position at the bottom of the envelope and slides in the longitudinal direction on the outer surface of the envelope to compress the one side vinyl and the other side vinyl.

상기와 같은 종래의 기술들은, 독성이 없는 약액을 보관하는 용기에 사용이 가능하며, 소독액 같은 독성이 있는 약액을 보관하는 용기에는 사용되지 못하는 문제점이 있어 왔다.Conventional techniques as described above can be used in a container for storing a non-toxic chemical liquid, there has been a problem that can not be used in a container for storing a toxic chemical liquid, such as disinfectant.

상기와 같은 문제점을 해결하기 위하여, 본 발명은 포비돈아이오다인과 같은 독성이 있는 약액의 장기간 보관시 종래의 은박지와 폴리에틸렌(PE)으로는 약액이 산화되어 미세한 통공이 형성되어 약효가 감소되는 것을 방지하기 위하여 안출된 면봉과 액체약품이 내장된 용지의 제조방법을 제공하는 것이 본 발명이 이루고자 하는 기술적 과제인 것이다.In order to solve the above problems, the present invention prevents the drug is reduced by oxidizing the chemical solution with conventional silver foil and polyethylene (PE) during long-term storage of toxic chemicals such as povidone iodide to reduce the drug efficacy In order to provide a method for producing a paper with a cotton swab and a liquid chemicals to be prepared in order to achieve the object of the present invention.

삭제delete

상기와 같은 목적을 달성하기 위하여, 본 발명은 상부로부터 폴리에틸렌테레프탈레이트(PET)12㎛시트(1), 폴리에틸렌(PE)20㎛시트(2), 알루미늄호일7㎛(3), 폴리에틸렌(PE)20㎛시트(2), 폴리에틸렌테레프탈레이트(PET)12㎛시트(1), 폴리에틸렌 (PE)20㎛시트(2), 폴리에틸렌(Liner Low Denisity Polyethytlene)30㎛시트(4)순으로 열융착 합지하여 제조된 면봉과 액체약품이 내장된 용지의 제조방법에 관한 것이다.In order to achieve the above object, the present invention is a polyethylene terephthalate (PET) 12㎛ sheet (1), polyethylene (PE) 20㎛ sheet (2), aluminum foil 7㎛ (3), polyethylene (PE) from the top 20 µm sheet (2), polyethylene terephthalate (PET) 12 µm sheet (1), polyethylene (PE) 20 µm sheet (2), polyethylene (Liner Low Denisity Polyethytlene) 30 µm sheet (4) It relates to a method for producing a paper containing a cotton swab and a liquid chemical agent manufactured.

본 발명에서 사용되는 폴리에틸렌테레프탈레이트(PET)12㎛시트(1)필름 형성시 긁히거나, 꾸겨져도 상처를 입지 않고 갈라지지 않도록 유지하는 기능과 약액의 침투를 차단하는 기능을 하며,Polyethylene terephthalate (PET) 12㎛ sheet used in the present invention (1) When the film is formed when the film is scratched or decorated, it does not hurt and keeps the function and prevents the penetration of the chemical solution,

폴리에틸렌(PE)20㎛시트(2)는 열융착시 핫멜트 역할을 함과 동시에, 약액의 침투를 방지하며, 폴리에틸렌(Liner Low Denisity Polyethytlene)30㎛시트(4)는 약액과 접촉시 약액의 침투를 방지함과 동시에 열융착시 핫멜트역할을 한다.Polyethylene (PE) 20㎛ sheet (2) serves as a hot melt during thermal fusion, and prevents the penetration of the chemical solution, polyethylene (Liner Low Denisity Polyethytlene) 30㎛ sheet (4) is in contact with the chemical solution At the same time, it also serves as a hot melt during heat welding.

이하 본 발명을 실시예에 따라 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail with reference to Examples.

실시예Example

7개의 권취된 롤에서 상부로부터 폴리에틸렌테레프탈레이트(PET)12㎛시트 (1), 폴리에틸렌(PE)20㎛시트(2), 알루미늄호일7㎛(3), 폴리에틸렌(PE)20㎛시트 (2), 폴리에틸렌테레프탈레이트(PET)12㎛시트(1), 폴리에틸렌(PE)20㎛시트(2), 폴리에틸렌(Liner Low Denisity Polyethytlene)30㎛시트(4)를 공급하여 롤을 이용하여 합지시켜 포장용지를 제조한 후에, 상기와 같이 제조된 두 개의 포장용지를 블리스타 포장지에 걸어서 콘베아 벨트 또는 롤을 이용하여 3면을 가열 융착시킨 다음, 일정크기로 절단한 후에 하부 금형기에 다수개의 흡입압축통공이 형성된 금형기로 이동시키면서, 하부금형의 진공펌프를 작동시켜 흡입압축통공에 진공을 가하면, 하부포장용지가 하부로 부풀어지게 하여 입구를 벌리게 한 다음, 면봉(6)을 삽입시킨 후에, 약액을 투입하여 열융착되지 않은 나머지 부분(입구)를 열융착시켜 밀봉하여 면봉과 액체약품이 내장된 용지를 제조하였다.Polyethylene terephthalate (PET) 12 μm sheet (1), polyethylene (PE) 20 μm sheet (2), aluminum foil 7 μm (3), polyethylene (PE) 20 μm sheet (2) , Polyethylene terephthalate (PET) 12㎛ sheet (1), polyethylene (PE) 20㎛ sheet (2), polyethylene (Liner Low Denisity Polyethytlene) 30㎛ sheet (4) was supplied and laminated using a roll After manufacturing, the two wrapping papers prepared as described above were hung on blister wrapping paper and heat-welded on three sides using a conveyor belt or roll, and then cut into a predetermined size, and then a plurality of suction compression holes were placed in the lower mold. While moving to the formed mold machine, when the vacuum pump of the lower mold is operated to apply a vacuum to the suction compression through-hole, the lower packing paper swells downward to open the inlet, and then inserts a cotton swab 6, and then adds a chemical solution. Not heat-sealed The finger portion sealed by heat-sealing the (entrance) was prepared with a cotton swab and fluid medicine embedded media.

이와 같은 방법에 의하여 얻어진 본 용지는 용지끼리 서로 접한 다음 그 외주를 열착하고 내부에 액체약품등을 수장한 다음 저열로 순간접착 밀봉하는 것인바, 특히 기재가 얇은 알미늄박지 그리고 폴리에틸렌시트 및 폴리에틸렌테레프탈레이트시트로 구성되어 각각의 합성수지로 형성된 필름이 적층되어 방수처리를 하므로서 외부로부터의 습기를 방지할 수 있고, 내부의 독성의 약품에 의해 알루미늄박지에 미세통공이 형성되는 것을 방지하도록 다수층으로 형성되어 장기간 보관하여도 약효가 일정하도록 유지하는 작용을 하는 것이다.The paper obtained by the above method is in contact with each other, then the outer periphery of the paper, the inside of the liquid chemicals, etc. inside, and then heat-sealed with a low heat instantaneous sealing, especially a thin aluminum foil base material and polyethylene sheet and polyethylene terephthalate It is composed of sheets, and the film formed of each synthetic resin is laminated to prevent moisture from the outside by waterproofing, and is formed in multiple layers to prevent the formation of micro holes in the aluminum foil by the toxic chemicals inside. Even if it is stored for a long time, the effect is to maintain a constant effect.

이하 본 발명을 도면을 참고하여 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

도1은 본 발명에 따른 면봉과 액체약품이 내장된 용지 구성도, 도2는 본 발명에 따른 면봉과 액체약품이 내장된 용지 상세도, 도3은 본 발명에 따른 면봉과 액체약품이 내장된 용지 단면 상세도, 도4는 본 발명에 따른 다른 형태의 면봉과 액체약품이 내장된 용지 상세도를 도시한 것이며, 폴리에틸렌테레프탈레이트(PET)12㎛시트(1), 폴리에틸렌(PE)20㎛시트(2), 알루미늄호일7㎛(3), 폴리에틸렌(Liner Low Denisity Polyethytlene)30㎛시트(4),약액주입공간(5), 면봉(6)을 나타낸 것임을 알 수 있다.1 is a paper configuration of the cotton swab and the liquid drug according to the present invention, Figure 2 is a detailed view of the paper embedded with the cotton swab and the liquid drug according to the present invention, Figure 3 is a cotton swab and the liquid drug according to the present invention Figure 4 is a detailed cross-sectional view of the paper, and Figure 4 shows a detailed view of the paper embedded with a cotton swab and a liquid chemical agent according to the present invention, polyethylene terephthalate (PET) 12㎛ sheet (1), polyethylene (PE) 20㎛ sheet (2), aluminum foil 7㎛ (3), polyethylene (Liner Low Denisity Polyethytlene) 30㎛ sheet (4), chemical injection space (5), it can be seen that the cotton swab (6).

구조를 살펴보면 도1에 도시된 바와 같이, 본 발명은 상부로부터 폴리에틸렌테레프탈레이트(PET)12㎛시트(1)와, 상기 폴리에틸렌테레프탈레이트(PET)12㎛시트 (1)의 하부에 형성된 폴리에틸렌(PE)20㎛시트(2)와, 상기 폴리에틸렌(PE)20㎛시트 (2)의 하부에 형성된 알루미늄호일7㎛(3)과, 상기 알루미늄호일7㎛(3)의 하부에 형성된 폴리에틸렌(PE)20㎛시트(2), 상기 폴리에틸렌(PE)20㎛시트(2)의 하부에 형성된 폴리에틸렌테레프탈레이트(PET)12㎛시트(1)와, 상기 폴리에틸렌테레프탈레이트 (PET)12㎛시트(1)의 하부에 형성된 폴리에틸렌(PE)20㎛시트(2)와, 상기 폴리에틸렌 (PE)20㎛시트(2)의 하부에 형성된 폴리에틸렌(Liner Low Denisity Polyethytlene) 30㎛시트(4)순으로 열융착 합지하여 제조된 면봉과 액체약품이 내장된 용지의 구조인 것이다.Looking at the structure, as shown in Figure 1, the present invention is a polyethylene terephthalate (PET) 12㎛ sheet (1) from the top, and polyethylene (PE) formed on the lower portion of the polyethylene terephthalate (PET) 12㎛ sheet (1) 20 µm sheet 2, aluminum foil 7 µm (3) formed on the lower portion of the polyethylene (PE) 20 µm sheet 2, and polyethylene (PE) 20 formed on the lower portion of the aluminum foil 7 µm (3). 12 μm sheet 2, polyethylene terephthalate (PET) 12 μm sheet 1 formed on the bottom of the polyethylene (PE) 20 μm sheet 2, and lower part of the polyethylene terephthalate (PET) 12 μm sheet 1 Polyethylene (PE) 20㎛ sheet (2) formed on the polyethylene (PE) 20㎛ sheet formed on the lower portion of the polyethylene sheet (Liner Low Denisity Polyethytlene) 30㎛ sheet (4) prepared by heat-sealed in order It is the structure of paper with cotton swab and liquid chemicals.

이상에서 살펴본 바와 같이 본 발명은 독성의 약액을 장기간 보관할 수 있으며, 장기간 보관하여도 약효가 일정하며, 다층의 합성수지와 알루미늄호일로 형성되어 있어, 내수성이 양호하고 또 방수효과와 가스투과 방지효과가 우수하며 내부에 액체약품을 수장할 만큼 충분한 강도를 가지면서도 사용시에는 가위등 별도의 기구없이도 손쉽게 절개가능하는 장점이 있는 것이다. As described above, the present invention can store the toxic chemical liquid for a long time, and the drug effect is constant even if stored for a long time, and is formed of a multi-layered synthetic resin and aluminum foil, the water resistance is good and the waterproof effect and gas permeation prevention effect It is excellent and has strength enough to store liquid chemicals inside, but when used, it has the advantage that it can be easily cut without a separate device such as scissors.

도1은 본 발명에 따른 면봉과 액체약품이 내장된 용지 구성도1 is a paper configuration of a cotton swab and a liquid medicine according to the present invention

도2는 본 발명에 따른 면봉과 액체약품이 내장된 용지 상세도Figure 2 is a detailed view of the cotton swab and the liquid chemicals embedded in the present invention

도3은 본 발명에 따른 면봉과 액체약품이 내장된 용지 단면 상세도Figure 3 is a detailed cross-sectional view of a paper swab and a liquid medicine embedded according to the present invention

도4는 본 발명에 따른 다른 형태의 면봉과 액체약품이 내장된 용지 상세도Figure 4 is a detailed view of a paper with a cotton swab and liquid chemicals in another form according to the present invention

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

폴리에틸렌테레프탈레이트(PET)12㎛시트(1), 폴리에틸렌(PE)20㎛시트(2), 알루미늄호일 7㎛(3), 폴리에틸렌(Liner Low Denisity Polyethytlene)30㎛ 시트(4), 약액주입공간(5), 면봉(6)Polyethylene terephthalate (PET) 12 μm sheet (1), polyethylene (PE) 20 μm sheet (2), aluminum foil 7 μm (3), polyethylene (Liner Low Denisity Polyethytlene) 30 μm sheet (4), chemical injection space ( 5), cotton swab (6)

Claims (2)

삭제delete 면봉과 액체약품이 내장된 용지의 제조방법에 있어서, 7개의 권취된 롤에서 상부로부터 폴리에틸렌테레프탈레이트(PET)12㎛시트(1), 폴리에틸렌(PE)20㎛시트(2), 알루미늄호일7㎛(3), 폴리에틸렌(PE)20㎛시트(2), 폴리에틸렌테레프탈레이트(PET)12㎛시트 (1), 폴리에틸렌(PE)20㎛시트(2), 폴리에틸렌(Liner Low Denisity Polyethytlene) 30㎛시트(4)를 공급하여 롤을 이용하여 합지시켜 포장용지를 제조한 후에, 상기와 같이 제조된 두 개의 포장용지를 블리스타 포장지에 걸어서 콘베아 벨트 또는 롤을 이용하여 3면을 가열 융착시킨 다음, 일정크기로 절단한 후에 하부 금형기에 다수개의 흡입압축통공이 형성된 금형기로 이동시키면서, 하부금형의 진공펌프를 작동시켜 흡입압축통공에 진공을 가하면, 하부포장용지가 하부로 부풀어지게 하여 입구를 벌리게 한 다음, 면봉(6)을 삽입시킨 후에, 약액을 투입하여 열융착되지 않은 나머지 부분(입구)을 열융착시켜 밀봉하여 제조함을 특징으로 하는 면봉과 액체약품이 내장된 용지의 제조방법.In the method of manufacturing a paper containing a cotton swab and a liquid chemical agent, a polyethylene terephthalate (PET) 12 µm sheet (1), polyethylene (PE) 20 µm sheet (2), and aluminum foil 7 µm (3), polyethylene (PE) 20 µm sheet (2), polyethylene terephthalate (PET) 12 µm sheet (1), polyethylene (PE) 20 µm sheet (2), polyethylene (Liner Low Denisity Polyethytlene) 30 µm sheet ( 4) After supplying paper and laminating it with a roll to manufacture a wrapping paper, hang the two wrapping papers prepared as above on a blister wrapping paper and heat-bond three sides using a conveyor belt or roll, and then After cutting to size, moving the mold machine with a plurality of suction compression holes formed in the lower mold, while operating the vacuum pump of the lower mold to apply vacuum to the suction compression hole, the lower packing paper is inflated to the bottom to open the inlet. , Swab (6) After inserting, the method of manufacturing a paper with a cotton swab and liquid chemicals, characterized in that the chemical solution is added to heat-sealed the remaining portion (inlet) to seal the production.
KR1020040079770A 2004-10-07 2004-10-07 Manufacturing method of package of liquid chemicals KR100511441B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101376261B1 (en) 2011-04-21 2014-03-21 대한민국 Ethylene generating agent

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101376261B1 (en) 2011-04-21 2014-03-21 대한민국 Ethylene generating agent

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