KR100374884B1 - a manufacturing method hula hoop - Google Patents
a manufacturing method hula hoop Download PDFInfo
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- KR100374884B1 KR100374884B1 KR10-2000-0056235A KR20000056235A KR100374884B1 KR 100374884 B1 KR100374884 B1 KR 100374884B1 KR 20000056235 A KR20000056235 A KR 20000056235A KR 100374884 B1 KR100374884 B1 KR 100374884B1
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- South Korea
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- hollow member
- heat shrink
- film
- hula hoop
- cutting
- Prior art date
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 229920006300 shrink film Polymers 0.000 claims abstract description 30
- 238000005520 cutting process Methods 0.000 claims abstract description 20
- 238000001125 extrusion Methods 0.000 claims abstract description 18
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 16
- 239000000057 synthetic resin Substances 0.000 claims abstract description 16
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 238000004898 kneading Methods 0.000 claims description 3
- 229920006257 Heat-shrinkable film Polymers 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 241000239290 Araneae Species 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9115—Cooling of hollow articles
-
- 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
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/02—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/66—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by liberation of internal stresses, e.g. shrinking of one of the parts to be joined
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Toys (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
본 발명은 훌라후프 제조방법에 관한 것으로, 입자상태의 합성수지를 압출기(110)에 투입하여 이를 혼련하고 토출시키는 압출단계(S11)와, 상기 압출단계(S11)에서 토출된 중공부재(201)의 온도를 낮추는 냉각단계(S12)와, 상기 냉각단계(S12)에서 냉각된 중공부재(201)를 압출속도와 동일하게 중공부재(201)를 잡아 당기는 인장단계(S13)와, 상기 인장단계(S13)에서 잡아 당긴 중공부재(201)를 소정의 길이로 절단하는 절단단계(S14)와, 상기 절단단계(S14)에서 절단된 중공부재(201)의 표면에 형성시키고자 하는 문자나 숫자 또는 그림 등을 열수축필름(210)에 인쇄하는 필름인쇄단계(S18)와, 상기 절단단계(S14)에서 절단된 중공부재(201)의 외주연에 인쇄된 열수축필름(210)을 끼우는 필름공급단계(S15)와, 상기 필름공급단계(S15)에서 열수축필름(210)을 외주연에 끼운 중공부재(201)의 표면에 열을 골고루 가하여 인쇄된 열수축필름(210)을 중공부재(201)의 표면에 고착시키는 열수축단계(S16) 및 상기 열수축단계(S16)에서 열수축필름(210)이 고착된 다양한 문양의 중공부재(201)를 원형으로 가공하여 훌라후프(200)를 제작 완료하는 완성단계(S17)로 구성하므로 훌라후프의 표면에 복잡하고 다양한 무늬를 간편하고 편리하게 형성시킬 수 있도록 하여 놀이를 통한 유아들의 교육적 효과를 향상시키고 재생 합성수지로 훌라후프를 생산하더라도 외관미를 향상시켜 지속적으로 유지할 수 있는 효과가 있다.The present invention relates to a method for producing a hula hoop, an extrusion step (S11) for mixing and discharging the synthetic resin in the granular state into the extruder 110, and the temperature of the hollow member 201 discharged in the extrusion step (S11) Cooling step (S12) and lowering the pulling step of the hollow member 201 cooled in the cooling step (S12) and the hollow member 201 at the same as the extrusion speed (S13) and the tension step (S13) Cutting step (S14) for cutting the hollow member 201 pulled in a predetermined length and the letters, numbers or pictures to be formed on the surface of the hollow member 201 cut in the cutting step (S14) Film printing step (S18) for printing on the heat shrink film 210, the film supply step (S15) to sandwich the heat shrink film 210 printed on the outer periphery of the hollow member 201 cut in the cutting step (S14) and In the film supplying step (S15), the heat shrinkable film 210 is a hollow member fitted to the outer periphery ( Heat shrink step (S16) and the heat shrink film 210 is fixed in the heat shrink step (S16) and the heat shrink film 210 is fixed to the surface of the hollow member 201 by applying heat evenly to the surface of the 201) By processing the hollow member 201 of the circular configuration of the finished step (S17) to complete the production of the hula hoop 200, so that the complex and various patterns on the surface of the hula hoop can be easily and conveniently formed through the play of the infants Even if the educational effect is improved and the hula hoop is produced from recycled synthetic resin, the appearance can be improved and maintained continuously.
Description
본 발명은 훌라후프에 관한 것으로 상세하게는 훌라후프의 표면에 다양한 무늬 또는 캐릭터 및 아동의 교육용 위한 알파벳 숫자 등을 간편하게 표시할 수 있도록 하고 재생 합성수지를 사용하더라도 외관미를 충분하게 살릴 수 있는 훌라후프에 관한 것이다.The present invention relates to a hula hoop, and more particularly to a hula hoop that can easily display a variety of patterns or characters on the surface of the hula hoop and the alphabet for education of children, and can fully enjoy the appearance beauty even when using a synthetic resin. .
일반적으로 훌라후프는 허리운동을 겸한 놀이도구로 경질의 폴리에틸렌으로 만든 지름 약90cm 정도의 튜브로 된 테를 말하는 것으로, 그 속에 들어간 허리를 데고 하와이의 훌라댄서처럼 허리를 흔들어 땅에 떨어지지 않게 돌리며 노는 것이기 때문에 훌라후프라는 이름이 붙었다.Generally, hula hoop is a play equipment that combines waist movement with a tube of about 90cm in diameter made of hard polyethylene. Hula Hoopura was named.
1957년 오스트레일리아에서 처음 만들어졌으며 1958년 미국에서 플라스틱으로 만들어져 1960년 전후 세계 각국에서 유행하여 지금까지 지속되고 있다.It was first made in Australia in 1957 and made of plastic in the United States in 1958, and it has been around since 1960 in the world.
이러한 훌라후프는 허리를 이용하여 일정한 회전을 반복시키는 운동 유희구로 남녀노소를 불문하고 다양한 연령층에서 사용되고 있다.Such hula hoops are used for various age groups regardless of gender, age, or exercise.
특히 훌라후프는 착용한 상태에서 허리를 회전시켜 훌라후프에 탄력을 전달하므로 훌라후프가 계속하여 허리를 중심으로 회전하도록 하는 것으로, 링형상의 훌라후프에 허리에서 탄력을 전달하므로 사용자의 허리 근력과 유연성을 향상시키게 되고 지속적인 회전으로 즐거움을 주도록 하는 것이다.In particular, the hula hoop transmits elasticity to the hula hoop by rotating the waist while worn so that the hula hoop continuously rotates around the waist, and transmits elasticity from the waist to the ring-shaped hula hoop to improve the waist strength and flexibility of the user. It is to be entertained by continuous and continuous rotation.
그러나, 이러한 종래의 다양한 훌라후프는 링형상의 단순히 허리에 착용하여회전시키는 용도만으로 사용하므로 사용이 단조로운 문제점이 있었다.However, these conventional hula hoop has a monotonous problem because it is used only for the purpose of rotating the ring-shaped simply worn on the waist.
나아가, 종래의 훌라후프는 표면과 외관미를 유지하기 위하여 재생 합성수지의 사용이 불가능 할 뿐만 아니라 이로 인하여 고가의 합성수지를 사용하여야 하는 단점이 있었다.In addition, the conventional hula hoop is not only impossible to use the recycled synthetic resin in order to maintain the surface and appearance, but also had the disadvantage of using expensive synthetic resin.
더불어, 종래의 훌라후프는 표면에 다양한 숫자나 알파벳 또는 캐릭터 등의 무늬를 표현하기 매우 까다로운 문제점이 있었다.In addition, the conventional hula hoop has a problem that is very difficult to express the pattern of various numbers, alphabets or characters on the surface.
따라서 본 발명의 주 목적은 훌라후프의 표면에 다양한 무늬(숫자, 자음, 모음, 알파벳, 구구단 및 캐릭터 등)를 간편하고 편리하게 형성시킬 수 있도록 하여 놀이를 통한 유아들의 교육적 효과를 향상시킬 수 있도록 하는 데 있다.Therefore, the main object of the present invention is to make it easy and convenient to form a variety of patterns (numbers, consonants, vowels, alphabets, multiplication tables and characters) on the surface of the hula hoop to improve the educational effect of the children through play There is.
본 발명의 다른 목적은 재생 합성수지로 훌라후프를 생산하더라도 외관미를 향상시켜 지속적으로 유지할 수 있도록 하는 데 있다.Another object of the present invention is to improve the appearance and to continuously maintain even when producing a hula hoop with recycled synthetic resin.
본 발명의 다른 목적은 저렴한 가격으로 양질의 훌라후프를 생산할 수 있도록 하는 데 있다.Another object of the present invention is to be able to produce a good quality hula hoop at a low price.
본 발명의 다른 목적은 훌라후프의 표면에 다양한 무늬(특히 복잡한 무늬)를 별다른 어려움 없이 간편하게 형성시킬 수 있도록 하는 데 있다.Another object of the present invention is to be able to easily form a variety of patterns (particularly complex patterns) on the surface of the hula hoop without much difficulty.
도 1 은 본 발명에 따른 훌라후프 제조 과정을 나타낸 공정도.1 is a process chart showing a hula hoop manufacturing process according to the present invention.
도 2 는 본 발명에 따른 중공부재 외주연에 열수축필름 삽입상태를 나타낸 사시도.Figure 2 is a perspective view showing a heat shrinkable film inserted state on the outer periphery of the hollow member according to the present invention.
도 3 은 본 발명에 따른 훌라후프 완성품을 나타낸 사시도.Figure 3 is a perspective view of the finished hula hoop according to the present invention.
도 4 는 본 발명에 따른 훌라후프를 생산을 위한 제조기를 나타낸 정면도.4 is a front view showing a manufacturing machine for producing a hula hoop according to the present invention.
도 5 는 본 발명에 따른 훌라후프 제조기의 압출기와 금형 연결부분을 나타낸 단면도.5 is a cross-sectional view showing an extruder and a mold connecting portion of the hula hoop maker according to the present invention.
*도면의 주요 부분의 부호의 설명*Explanation of symbols of main part of drawing
100 : 제조기 110 : 압출기100: manufacturing machine 110: extruder
111 : 호퍼 112 : 배럴111: hopper 112: barrel
113 : 스크류 114 : 스크린113: screw 114: screen
115 : 블레이커플레이트 116 : 스파이드115: Blake Plate 116: Spider
117 : 다이 120 : 냉각부117: die 120: cooling unit
121 : 사이징 130 : 인장부121: sizing 130: tension portion
140 : 절단부 150 : 필름인쇄부140: cut portion 150: film printing portion
160 : 필름공급부 170 : 열수축부160: film supply section 170: heat shrink section
180 : 완성부 200 : 훌라후프180: completion part 200: hula hoop
201 : 중공부재 202 : 열수축필름201: hollow member 202: heat shrinkable film
이러한 목적을 달성하기 위하여 본 발명의 훌라후프 제조방법는 입자상태의합성수지를 압출기에 투입하여 이를 혼련하고 토출시키는 압출단계와, 상기 압출단계에서 토출된 중공부재의 온도를 낮추는 냉각단계와, 상기 냉각단계에서 냉각된 중공부재를 압출속도와 동일하게 잡아당기는 인장단계와, 상기 인장단계에서 잡아 당긴 중공부재를 소정의 길이로 절단하는 절단단계와, 훌라후프의 표면에 형성시키고자 하는 문자나 숫자 또는 그림 등을 열수축필름에 인쇄하는 필름인쇄단계와, 상기 절단단계에서 절단된 중공부재의 외주연에 인쇄된 열수축필름을 끼우는 필름공급단계와, 상기 필름공급단계에서 열수축필름이 외주연에 끼워진 중공부재에 열을 가하여 다양한 문양이 인쇄된 열수축필름을 중공부재의 표면에 고착시키는 열수축단계, 및 상기 열수축단계에서 열수축필름이 표면에 고착되어 다양한 문양이 형성된 중공부재를 원형으로 가공하여 제작을 완료하는 완성단계로 구성함을 그 기술적 구성상의 기본 특징으로 한다.In order to achieve the above object, the method of manufacturing a hula hoop according to the present invention includes an extrusion step of mixing and discharging particulate synthetic resin into an extruder, a cooling step of lowering the temperature of the hollow member discharged from the extrusion step, and in the cooling step. A pulling step of pulling the cooled hollow member in the same manner as the extrusion speed, a cutting step of cutting the hollow member pulled in the pulling step to a predetermined length, and a letter, number, or picture to be formed on the surface of the hula hoop. The film printing step of printing on the heat shrink film, the film supply step of inserting the heat shrink film printed on the outer periphery of the hollow member cut in the cutting step, and the heat shrink film in the film supply step to heat the hollow member sandwiched in the outer periphery A heat shrink step of attaching a heat shrink film printed with various patterns to the surface of the hollow member by The hollow member by processing a heat-shrinkable film is bonded to the surface formed in various patterns on the heat-shrink step in a circular configuration as hereinafter completion step of completing the production shall be based on the features that the technical configuration.
위와 같이 구성된 본 고안의 바람직한 실시 예를 첨부된 도면을 참조하면서 상세히 설명하면 다음과 같다.When described in detail with reference to the accompanying drawings a preferred embodiment of the present invention configured as described above are as follows.
도 1 은 본 발명에 따른 훌라후프 제조 과정을 나타낸 공정도이고, 도 2 는 본 발명에 따른 중공부재 외주연에 열수축필름 삽입상태를 나타낸 사시도이며, 도 3 은 본 발명에 따른 훌라후프 완성품을 나타낸 사시도이고, 도 4 는 본 발명에 따른 훌라후프를 생산을 위한 제조기를 나타낸 정면도이며, 도 5 는 본 발명에 따른 훌라후프 제조기의 압출기와 금형 연결부분을 나타낸 단면도이다.1 is a process chart showing a hula hoop manufacturing process according to the present invention, Figure 2 is a perspective view showing a heat shrink film inserted state in the outer periphery of the hollow member according to the invention, Figure 3 is a perspective view showing the finished product of the hula hoop according to the present invention, Figure 4 is a front view showing a manufacturing machine for producing a hula hoop according to the present invention, Figure 5 is a cross-sectional view showing an extruder and a mold connecting portion of the hula hoop maker according to the present invention.
도 1 내지 도 5 에 나타낸 바와같이, 본 발명의 훌라후프 제조방법는 입자상태의 합성수지를 압출기(110)에 투입하여 이를 혼련하고 토출시키는 압출단계(S11)와, 상기 압출단계(S11)에서 토출된 중공부재(201)의 온도를 낮추는 냉각단계(S12)와, 상기 냉각단계(S12)에서 냉각된 중공부재(201)를 압출속도와 동일하게 중공부재(201)를 잡아 당기는 인장단계(S13)와, 상기 인장단계(S13)에서 잡아 당긴 중공부재(201)를 소정의 길이로 절단하는 절단단계(S14)와, 상기 절단단계(S14)에서 절단된 중공부재(201)의 표면에 형성시키고자 하는 문자나 숫자 또는 그림 등을 열수축필름(210)에 인쇄하는 필름인쇄단계(S18)와, 상기 절단단계(S14)에서 절단된 중공부재(201)의 외주연에 인쇄된 열수축필름(210)을 끼우는 필름공급단계(S15)와, 상기 필름공급단계(S15)에서 열수축필름(210)을 외주연에 끼운 중공부재(201)의 표면에 열을 골고루 가하여 인쇄된 열수축필름(210)을 중공부재(201)의 표면에 고착시키는 열수축단계(S16) 및 상기 열수축단계(S16)에서 열수축필름(210)이 고착된 다양한 문양의 중공부재(201)를 원형으로 가공하여 훌라후프(200)를 제작 완료하는 완성단계(S17)로 구성한다.As shown in Figures 1 to 5, the hula hoop manufacturing method of the present invention is injected into the extruder 110, the granulated synthetic resin in the extrusion step (S11), and the hollow discharged from the extrusion step (S11) A cooling step (S12) of lowering the temperature of the member 201, a pulling step (S13) of pulling the hollow member 201 at the same cooling rate as the extrusion speed, and the hollow member 201 cooled in the cooling step (S12), Character to be formed on the surface of the cutting step (S14) and the hollow member 201 cut in the cutting step (S14) for cutting the hollow member 201 pulled in the tension step (S13) to a predetermined length B film printing step (S18) for printing a number or a picture on the heat shrink film 210 and the film to insert the heat shrink film 210 printed on the outer periphery of the hollow member 201 cut in the cutting step (S14) In addition to the supply step (S15) and the film supply step (S15), the heat shrink film 210 Heat shrink step (S16) and heat shrink film 210 in the heat shrink step (S16) for fixing the printed heat shrink film 210 to the surface of the hollow member 201 by applying heat evenly to the surface of the hollow member 201 inserted into the lead ) Is a completed step (S17) to complete the manufacturing of the hula hoop 200 by processing the hollow member 201 of various patterns fixed to the circular shape.
상기 압출단계(S11)은 압출기(110)의 호퍼(111)에 합성수지를 공급하면 이를 용융시켜 배럴(112)의 배부에 설치된 스크류(113)의 회전으로 용융된 합성수지가 압출된다. 여기서 압출되는 용융상태의 합성수지는 스크린(114)과 블레이커 플레이트(115)를 통과하여 이물질을 제거함과 동시에 용융된 합성수지를 골고루 혼련되면서 토출된다. 더불어, 혼련된 용융상태의 합성수지는 스파이더(116)를 통하여 스파이더(116)의 내부에 설치된 금형이(117)를 거쳐 원하는 모양으로 중공부재(201)가 성형되면서 비로소 외부로 토출된다.In the extrusion step (S11), when the synthetic resin is supplied to the hopper 111 of the extruder 110, the melted synthetic resin is extruded by the rotation of the screw 113 installed on the back of the barrel 112. Here, the synthetic resin in the molten state is discharged while uniformly kneading the molten synthetic resin while removing foreign substances through the screen 114 and the breaker plate 115. In addition, the kneaded molten synthetic resin is discharged to the outside as the hollow member 201 is formed into a desired shape through the mold 117 installed inside the spider 116 through the spider 116.
상기 냉각단계(S12)는 압출단계(S11)을 거쳐 외부로 토출되는 중공부재(201)가 냉각부(120)에 공급되면서 사이징(121)에 거치게 되고 이로 인하여 중공부재(201)의 치수를 일정하게 한 다음 공냉이나 수냉 또는 이들을 혼용하여 냉각시킨다.The cooling step (S12) is a hollow member 201 discharged to the outside through the extrusion step (S11) is supplied to the cooling unit 120 is subjected to the sizing (121) and thereby the dimensions of the hollow member 201 After cooling, air or water or a mixture thereof is used for cooling.
상기 인장단계(S13)는 인장부(130)에서 적정온도로 냉각된 중공부재(201)를 압출기(110)의 토출속도와 동일하게 잡아당기도록 하여 원활하게 압출될 수 있도록 한다.The pulling step (S13) is to pull out the hollow member 201 cooled to a suitable temperature in the tension unit 130 in the same manner as the ejection speed of the extruder 110 to be extruded smoothly.
상기 절단단계(S14)는 인장부(130) 거친 연결된 중공부재(201)를 압출속도를 감안하여 절단부(140)에서 소정길이로 절단한다.The cutting step (S14) is cut to a predetermined length in the cut portion 140 in consideration of the extrusion speed of the rough connection hollow member 201 tension portion 130.
상기 필름인쇄단계(S18)는 필름인쇄부(150)에서 열수축필름(202)에 원하는 문자, 숫자, 도형, 그림 또는 캐릭터 등을 인쇄한다. 여기서 열수축필름(202)은 원통형으로 형성하고 수축력을 감안하여 중공부재(201)의 외경보다 약간 크게 형성함이 바람직하다.The film printing step (S18) prints the desired letters, numbers, figures, drawings or characters on the heat shrink film 202 in the film printing unit 150. Here, the heat shrink film 202 is preferably formed in a cylindrical shape and slightly larger than the outer diameter of the hollow member 201 in consideration of shrinkage force.
상기 필름공급단계(S15)는 다양한 문양이 인쇄된 열수축필름(202)을 적정길이로 절단하여 중공부재(201)의 외주연에 끼워 가결합상태를 유지시킨다.The film supplying step (S15) is to cut the heat-shrink film 202 is printed in a variety of patterns to the appropriate length to fit the outer periphery of the hollow member 201 to maintain the temporary coupling state.
상기 열수축단계(S16)는 열수축부(170)에 열수축필름(202)이 가결합된 중공부재(201)를 공급하여 골고루 열을 가함으로써 열수축필름(202)를 수축시켜 중공부재(201)의 표면에 고착시킨다.In the heat shrink step (S16), the heat shrink film 202 is contracted by supplying evenly heat by supplying the hollow member 201 to which the heat shrink film 202 is coupled to the heat shrink part 170 to the surface of the hollow member 201. Stick to.
상기 완성단계(S17)는 열수축필름(202)이 고착된 중공부재(201)를 밴딩하여 원형으로 가공하여 훌라후프(200)를 완성한다.In the completion step S17, the hollow member 201 to which the heat-shrink film 202 is fixed is processed by bending to complete the hula hoop 200.
이상에서 살펴본 바와 같이, 본 발명의 훌라후프 제조방법는 입자상태의 합성수지를 압출기(110)에 투입하여 이를 혼련하고 토출시키는 압출단계(S11)와, 상기 압출단계(S11)에서 토출된 중공부재(201)의 온도를 낮추는 냉각단계(S12)와, 상기 냉각단계(S12)에서 냉각된 중공부재(201)를 압출속도와 동일하게 중공부재(201)를 잡아 당기는 인장단계(S13)와, 상기 인장단계(S13)에서 잡아 당긴 중공부재(201)를 소정의 길이로 절단하는 절단단계(S14)와, 상기 절단단계(S14)에서 절단된 중공부재(201)의 표면에 형성시키고자 하는 문자나 숫자 또는 그림 등을 열수축필름(210)에 인쇄하는 필름인쇄단계(S18)와, 상기 절단단계(S14)에서 절단된 중공부재(201)의 외주연에 인쇄된 열수축필름(210)을 끼우는 필름공급단계(S15)와, 상기 필름공급단계(S15)에서 열수축필름(210)을 외주연에 끼운 중공부재(201)의 표면에 열을 골고루 가하여 인쇄된 열수축필름(210)을 중공부재(201)의 표면에 고착시키는 열수축단계(S16) 및 상기 열수축단계(S16)에서 열수축필름(210)이 고착된 다양한 문양의 중공부재(201)를 원형으로 가공하여 훌라후프(200)를 제작 완료하는 완성단계(S17)로 구성하므로 훌라후프의 표면에 다양한 무늬(숫자, 자음, 모음, 알파벳, 구구단 및 캐릭터 등)를 간편하고 편리하게 형성시킬 수 있도록 하여 놀이를 통한 유아들의 교육적 효과를 향상시키고,재생 합성수지로 훌라후프를 생산하더라도 외관미를 향상시켜 지속적으로 유지할 수 있을 뿐만 아니라 저렴한 가격으로 양질의 훌라후프를 생산할 수 있으며 훌라후프의 표면에 복잡한 무늬를 별다른 어려움 없이 간편하게 형성시킬 수 있는 효과가 있다.As described above, the hula hoop manufacturing method of the present invention is the extrusion step (S11) and the kneading and discharging the synthetic resin in the granular state to the extruder 110, and the hollow member 201 discharged in the extrusion step (S11) Cooling step (S12) to lower the temperature of the, pulling the hollow member 201 in the cooling step (S12) and the hollow member 201 to the same as the extrusion speed pulling step (S13) and the tension step ( A cutting step S14 for cutting the hollow member 201 pulled in S13 to a predetermined length, and a letter, number, or picture to be formed on the surface of the hollow member 201 cut in the cutting step S14. Film printing step (S18) for printing the heat shrink film 210 and the like, and the film supply step of inserting the heat shrink film 210 printed on the outer periphery of the hollow member 201 cut in the cutting step (S14) (S15) ), And in the outer peripheral edge of the heat shrink film 210 in the film supply step (S15) The heat shrink film 210 in the heat shrink step (S16) and the heat shrink step (S16) for fixing the printed heat shrink film 210 to the surface of the hollow member 201 by applying heat evenly to the surface of the inserted hollow member 201 Since the hollow member 201 of various patterns fixed in a circular shape is formed into a completed step (S17) of manufacturing the hula hoop 200, various patterns (numbers, consonants, vowels, alphabets, multiplication tables, characters, etc.) are formed on the surface of the hula hoop. ) To improve the educational effect of young children through play and to produce hula hoops with recycled synthetic resins. And it has the effect that can easily form complex patterns on the surface of the hula hoop without much difficulty.
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|---|---|---|---|---|
| JPH06286010A (en) * | 1993-04-07 | 1994-10-11 | Toray Ind Inc | Wrapping tape for frp molding and production of frp |
| JPH06345878A (en) * | 1993-06-10 | 1994-12-20 | Toyobo Co Ltd | Production of thermally shrinkable polyester tube |
| KR950000512U (en) * | 1993-06-17 | 1995-01-03 | 서창식 | Collar hula hoop |
| JPH07100950A (en) * | 1993-10-01 | 1995-04-18 | Fujikura Ltd | Production of hollow tube |
| KR19990025778A (en) * | 1997-09-18 | 1999-04-06 | 윤덕용 | Composite shaft using heat-shrinkable tube and method of manufacturing the same |
| KR200193938Y1 (en) * | 2000-03-28 | 2000-08-16 | 김동환 | Hula-hoop with a illuminator |
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2000
- 2000-09-25 KR KR10-2000-0056235A patent/KR100374884B1/en active IP Right Grant
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06286010A (en) * | 1993-04-07 | 1994-10-11 | Toray Ind Inc | Wrapping tape for frp molding and production of frp |
| JPH06345878A (en) * | 1993-06-10 | 1994-12-20 | Toyobo Co Ltd | Production of thermally shrinkable polyester tube |
| KR950000512U (en) * | 1993-06-17 | 1995-01-03 | 서창식 | Collar hula hoop |
| JPH07100950A (en) * | 1993-10-01 | 1995-04-18 | Fujikura Ltd | Production of hollow tube |
| KR19990025778A (en) * | 1997-09-18 | 1999-04-06 | 윤덕용 | Composite shaft using heat-shrinkable tube and method of manufacturing the same |
| KR200193938Y1 (en) * | 2000-03-28 | 2000-08-16 | 김동환 | Hula-hoop with a illuminator |
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