KR890004848A - Method and apparatus for manufacturing mesh film - Google Patents

Method and apparatus for manufacturing mesh film Download PDF

Info

Publication number
KR890004848A
KR890004848A KR870009737A KR870009737A KR890004848A KR 890004848 A KR890004848 A KR 890004848A KR 870009737 A KR870009737 A KR 870009737A KR 870009737 A KR870009737 A KR 870009737A KR 890004848 A KR890004848 A KR 890004848A
Authority
KR
South Korea
Prior art keywords
tubular film
cooling
diameter
cooling means
film
Prior art date
Application number
KR870009737A
Other languages
Korean (ko)
Other versions
KR910000497B1 (en
Inventor
비. 하멘스 칼
Original Assignee
리챠드 지. 워터맨
더 다우 케미칼 캄파니
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 리챠드 지. 워터맨, 더 다우 케미칼 캄파니 filed Critical 리챠드 지. 워터맨
Priority to KR1019870009737A priority Critical patent/KR910000497B1/en
Publication of KR890004848A publication Critical patent/KR890004848A/en
Application granted granted Critical
Publication of KR910000497B1 publication Critical patent/KR910000497B1/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911Cooling
    • B29C48/9115Cooling of hollow articles
    • B29C48/912Cooling of hollow articles of tubular films
    • B29C48/913Cooling of hollow articles of tubular films externally
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001Combinations of extrusion moulding with other shaping operations
    • B29C48/0018Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)

Abstract

내용 없음No content

Description

메쉬 필름의 제조방법 및 장치Method and apparatus for manufacturing mesh film

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 일부분을 분리시켜 절개한 본 발명의 제1양태의 측면도이다.1 is a side view of a first aspect of the present invention with a portion cut away.

제2도는 일부분을 분리시켜 절개한 본 발명의 제2양태의 측면도이다.2 is a side view of a second aspect of the present invention with a portion cut away.

제3도는 일부분을 분리시켜 절개한 본 발명의 제3양태의 측면도이다.3 is a side view of a third aspect of the present invention with a portion cut away.

Claims (13)

열가소성 합성수지 물질의 관상 필름을 압축시키는 압출 다이; 압출된 관상 필름의 중심에 위치하며 외부 직경이 관상 필름의 내부 직경과 거의 동일한, 관상 필름의 내부 표면을 냉각시키는 제1의 냉각수단; 제1의 냉각수단으로부터 외부를 향해 방사상으로 배치되어 있으며 관상 필름의 외부 표면에 다수의 냉각가스 스트림을 분사하는 다수의 냉각노즐; 및 관상 필름이 제1의 냉각수단으로부터 분리되어 나온 후에 환상의 가스 베어링을 통과함으로써 관상 필름의 직경이 내부에 포집되어 있는 기포에 의해 계속하여 증가하도록 배치된, 제1의 냉각 수단으로부터 축 방향으로 이격되어 있는 환상의 가스 베어링으로 이루어짐을 특징으로 하는 메쉬 필름(mesh film) 제조용 장치.An extrusion die for compressing the tubular film of thermoplastic synthetic resin material; First cooling means located at the center of the extruded tubular film and cooling the inner surface of the tubular film, the outer diameter being approximately equal to the inner diameter of the tubular film; A plurality of cooling nozzles disposed radially outwardly from the first cooling means and spraying a plurality of cooling gas streams to the outer surface of the tubular film; And axially from the first cooling means arranged such that the diameter of the tubular film continues to increase by bubbles trapped therein by passing through the annular gas bearing after the tubular film has been separated from the first cooling means. Apparatus for producing a mesh film, characterized in that consisting of spaced annular gas bearings. 제1항에 있어서, 제1의 냉간수단이 대체로 원통형인 냉각 맨드릴 또는 가스 베어링, 및 언급한 맨드릴의 양면에 위치하며 맨드릴과 축방향으로 배열되어 있는 한쌍의 대체로 원통형인 가스 베어링으로 이루어지는 장치.2. An apparatus according to claim 1, wherein the first cold means consists of a generally cylindrical cooling mandrel or gas bearing and a pair of generally cylindrical gas bearings located on both sides of the mandrel mentioned above and axially arranged with the mandrel. 제1항에 있어서, 다수의 냉각노즐중의 적어도 일부가 언급한 관상 필름 주위를 원 운동할 수 있는 장치.The device of claim 1, wherein at least some of the plurality of cooling nozzles can circle around the mentioned tubular film. 제1항, 제2항 및 제3항 중 어느 한 항에 있어서, 관상 필름이 언급한 환상의 가스 베어링을 통과한 후에 관상 필름의 직경이 확장될 때 관상 필름의 외부 표면을 향해 냉각가스를 분사하는 제2의 냉각 수단을 포함하는 장치.4. The cooling gas according to claim 1, wherein the cooling gas is sprayed toward the outer surface of the tubular film as the diameter of the tubular film expands after passing through the mentioned annular gas bearing. 5. And a second cooling means. 제4항에 있어서, 관상 필름이 압출 다이로부터 분리되어 나온 직후에 관상 필름의 외부 표면을 향해 냉각 가스를 분사하는 제3의 냉각 수단을 포함하는 장치.5. The apparatus of claim 4 comprising third cooling means for injecting cooling gas towards the outer surface of the tubular film immediately after the tubular film has been separated from the extrusion die. 제5항에 있어서, 관상 필름의 중심에 위치하고 외부 직경이 환상 가스 베어링의 내부 직경 보다 실질적으로 더 크며 관상 필름이 환상의 가스 베어링으로부터 분리된 후에 필름의 내부 표면을 냉각시키는 제4의 냉각 수단을 포함하는 장치.6. A fourth cooling means according to claim 5, wherein the fourth cooling means is located in the center of the tubular film and whose outer diameter is substantially larger than the inner diameter of the annular gas bearing and cools the inner surface of the film after the tubular film is separated from the annular gas bearing. Containing device. 제1항에 있어서, 압출 다이에 인접하여 그들과 동 축방향으로 배열되어 있고 내부 직경이 관상 필름이 압출 다이로부터 분리될 때의 직경 보다 작고 제1의 냉각 수단의 외부 직경과는 실질적으로 동일하며 압출다이로부터 통과해 나온 관상 필름을 수용하는 제2의 환상 가스 베어링을 포함하는 장치.The method of claim 1, wherein the inner diameter is arranged coaxially with them adjacent to the extrusion die and the inner diameter is smaller than the diameter when the tubular film is separated from the extrusion die and is substantially the same as the outer diameter of the first cooling means. And a second annular gas bearing for receiving the tubular film passed from the extrusion die. 열가소성 합성수지 물질을 압출시켜 관상 필름을 형성시키고, 관상 필름의 외부 표면을 향해 다수의 냉각가스 스트림을 분사하면서 중심에 위치하는 대체로 원통형인 제1 냉각수단에 관상 필름을 통과시켜 관상필름의 내부 표면을 냉각시킨 다음, 내부 직경이 냉각수단의 외부 직경과 거의 동일한 환상의 가스 베어링에 관상 필름을 통과시키고, 이어서 관상 필름의 내부에 포집되어 있는 기포를 사용하여 관상 필름의 직경을 증가시키는 단계로 이루어짐을 특징으로 하여 필름을 제조하는 방법.The thermoplastic resin material is extruded to form a tubular film, and the tubular film is passed through a generally cylindrical first cooling means centered while injecting a plurality of coolant gas streams toward the outer surface of the tubular film to form an inner surface of the tubular film. After cooling, the tubular film is passed through an annular gas bearing whose inner diameter is approximately equal to the outer diameter of the cooling means, and then using the bubbles trapped inside the tubular film to increase the diameter of the tubular film. Characterized in that the method for producing a film. 제8항에 있어서, 냉각 가스 스트림의 적어도 일부가 압출된 관상 필름 주위를 원 운동하는 방법.The method of claim 8, wherein at least a portion of the cooling gas stream circularly moves around the extruded tubular film. 제8항 또는제9항에 있어서, 관상 필름의 직경이 증가할 때 관상 필름의 외부 표면을 향해 냉각 가스를 분사함으로써 관상 필름을 냉각시키는 단계를 포함하는 방법.10. The method of claim 8 or 9, comprising cooling the tubular film by spraying cooling gas towards the outer surface of the tubular film as the diameter of the tubular film increases. 제8항에 있어서, 관상 필름이 압출된 직후에 관상 필름의 외부 표면을 향해 냉각가스를 분사함으로써 관상 필름을 냉각시키는 단계를 포함하는 방법.9. The method of claim 8 including cooling the tubular film by spraying a cooling gas towards the outer surface of the tubular film immediately after the tubular film is extruded. 제8항에 있어서, 제1의 냉각 장치가 대체로 원통형인 냉각 맨드릴 또는 가스 베어링, 및 맨드릴의 양면에서 축방향으로 배열되어 있는 한쌍의 대체로 원통형인 가스 베어링으로 이루어지는 방법.The method of claim 8, wherein the first cooling device consists of a generally cylindrical cooling mandrel or gas bearing, and a pair of generally cylindrical gas bearings arranged axially on both sides of the mandrel. 제8항에 있어서, 비교적 직경이 큰 관상 필름을 압출시키고, 관상 필름을 축방향으로 스트렛칭시켜 직경을 감소시키는 단계를 포함하는 방법.The method of claim 8 comprising extruding a relatively large tubular film and reducing the diameter by axially stretching the tubular film. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019870009737A 1987-09-03 1987-09-03 Method and apparatus for producing mesh film KR910000497B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019870009737A KR910000497B1 (en) 1987-09-03 1987-09-03 Method and apparatus for producing mesh film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019870009737A KR910000497B1 (en) 1987-09-03 1987-09-03 Method and apparatus for producing mesh film

Publications (2)

Publication Number Publication Date
KR890004848A true KR890004848A (en) 1989-05-10
KR910000497B1 KR910000497B1 (en) 1991-01-26

Family

ID=19264223

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870009737A KR910000497B1 (en) 1987-09-03 1987-09-03 Method and apparatus for producing mesh film

Country Status (1)

Country Link
KR (1) KR910000497B1 (en)

Also Published As

Publication number Publication date
KR910000497B1 (en) 1991-01-26

Similar Documents

Publication Publication Date Title
CA2364488A1 (en) Thermoplastic tube
DE69514645T2 (en) PROCESS FOR THE PRODUCTION OF CORRUGATED MULTI-LAYER TUBES
WO2000022207A3 (en) Process and apparatus for the production of nanofibers
ES461172A1 (en) Method and apparatus for the extrusion of tubular thermoplastic film
GB1150411A (en) Perforate Thermoplastic Material and Apparatus and Method for the Manufacture thereof
ATE44896T1 (en) DEVICE FOR CONTINUOUS EXTRUSION.
GB1400494A (en) Foamed polymeric sheet material and process therefor
US4732727A (en) Method and apparatus for producing mesh film
EP0380015A3 (en) Method and apparatus for discontinuously manufacturing multilayered co-extruded tubular preforms made of thermoplastics
KR890004848A (en) Method and apparatus for manufacturing mesh film
JPS57182403A (en) Granulating machine for synthetic resin
CA2155135C (en) Air rings for cooling blown plastic film
FR2138198A2 (en) Extruded plastic netting - produced as individual bags with print activated surface
JPS57135121A (en) Manufacture of oriented plastic film
IE37791L (en) Gorrugated plastics pipe with holes
EP0368302A3 (en) Process and apparatus for the production of foamed polyolefin sheets
GB1399654A (en) Dies for the extrusion of expanded plastics materials and extrusion using such dies
JPS6418621A (en) Molding of two-stage sucking pipe
KR920700175A (en) Method and apparatus for preparing monobasic propellant powder using alcohol and ether as solvent
KR870001916A (en) Method and apparatus for producing blown film
GB843320A (en) Process and apparatus for the extrusion of thermoplastic material
KR910016467A (en) Apparatus for Manufacturing Metal-Plastic Composite Tube
KR970000377A (en) Mandrel Cooling Method and Cooling Device for Hollow Bar Extruder
JPS54135862A (en) Method and device for manufacturing thermoplastic pipe
GB2009664A (en) A Method and Apparatus for Granulating Plastic Compounds

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
LAPS Lapse due to unpaid annual fee