IE43495B1 - Improvements in or relating to foam tubes - Google Patents
Improvements in or relating to foam tubesInfo
- Publication number
- IE43495B1 IE43495B1 IE1595/76A IE159576A IE43495B1 IE 43495 B1 IE43495 B1 IE 43495B1 IE 1595/76 A IE1595/76 A IE 1595/76A IE 159576 A IE159576 A IE 159576A IE 43495 B1 IE43495 B1 IE 43495B1
- Authority
- IE
- Ireland
- Prior art keywords
- tube
- butt joint
- strip
- foam
- path
- Prior art date
Links
- 239000006260 foam Substances 0.000 title claims abstract description 43
- 238000010438 heat treatment Methods 0.000 claims abstract description 33
- 238000001816 cooling Methods 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 23
- 238000003466 welding Methods 0.000 claims abstract description 10
- 210000001503 joint Anatomy 0.000 claims description 44
- 238000007493 shaping process Methods 0.000 claims description 30
- 238000007789 sealing Methods 0.000 claims description 14
- 238000005520 cutting process Methods 0.000 claims description 7
- 230000013011 mating Effects 0.000 claims description 6
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000002390 adhesive tape Substances 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 claims 1
- -1 polyethylene Polymers 0.000 claims 1
- 229920000573 polyethylene Polymers 0.000 claims 1
- 229920001169 thermoplastic Polymers 0.000 abstract description 4
- 239000004416 thermosoftening plastic Substances 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 abstract 1
- 238000011282 treatment Methods 0.000 description 4
- 238000005496 tempering Methods 0.000 description 3
- 229920003020 cross-linked polyethylene Polymers 0.000 description 2
- 239000004703 cross-linked polyethylene Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000820057 Ithone Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
- B26D3/16—Cutting rods or tubes transversely
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/56—After-treatment of articles, e.g. for altering the shape
- B29C44/5627—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching
- B29C44/5636—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching with the addition of heat
-
- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/36—Bending and joining, e.g. for making hollow articles
- B29C53/38—Bending and joining, e.g. for making hollow articles by bending sheets or strips at right angles to the longitudinal axis of the article being formed and joining the edges
- B29C53/48—Bending and joining, e.g. for making hollow articles by bending sheets or strips at right angles to the longitudinal axis of the article being formed and joining the edges for articles of indefinite length, i.e. bending a strip progressively
-
- 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
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
- B29C65/20—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror"
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/114—Single butt joints
- B29C66/1142—Single butt to butt joints
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said articles
- B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
- B29C66/4322—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms by joining a single sheet to itself
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
- B29C66/727—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being porous, e.g. foam
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/832—Reciprocating joining or pressing tools
- B29C66/8322—Joining or pressing tools reciprocating along one axis
-
- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/36—Bending and joining, e.g. for making 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
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
-
- 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
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
-
- 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
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
- B29L2023/225—Insulated
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2532406A DE2532406C3 (de) | 1975-07-19 | 1975-07-19 | Verfahren und Vorrichtung zum kontinuierlichen Herstellen eines Rohres aus einer Bahn aus einem thermoplastischen Schaumstoff |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE43495L IE43495L (en) | 1977-01-19 |
| IE43495B1 true IE43495B1 (en) | 1981-03-11 |
Family
ID=5951965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE1595/76A IE43495B1 (en) | 1975-07-19 | 1976-07-19 | Improvements in or relating to foam tubes |
Country Status (11)
| Country | Link |
|---|---|
| AT (1) | AT363252B (enExample) |
| BE (1) | BE844152A (enExample) |
| CH (1) | CH612619A5 (enExample) |
| DE (1) | DE2532406C3 (enExample) |
| DK (1) | DK151372C (enExample) |
| FR (1) | FR2318724A1 (enExample) |
| GB (1) | GB1514369A (enExample) |
| IE (1) | IE43495B1 (enExample) |
| IT (1) | IT1066531B (enExample) |
| NL (1) | NL179885C (enExample) |
| SE (1) | SE7608205L (enExample) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3140388C2 (de) * | 1981-10-10 | 1984-08-09 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren und Vorrichtung zum kontinuierlichen Herstellen eines längsgeschlitzten Rohres aus einer Bahn aus einem thermoplastischen Schaumstoff |
| EP0087613B1 (de) * | 1982-02-26 | 1986-05-14 | Hüls Troisdorf Aktiengesellschaft | Verfahren und Vorrichtung zum Herstellen mehrschichtiger Isolierrohre aus Schaumstoffstreifen |
| DE3318082A1 (de) * | 1983-05-18 | 1984-11-22 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren und vorrichtung zum herstellen eines mit einer isolierhuelle aus schaumstoff versehenen rohres |
| DE3338071A1 (de) * | 1983-10-20 | 1985-05-09 | Felten & Guilleaume Energietechnik GmbH, 5000 Köln | Verfahren zur kontinuierlichen herstellung von flexiblen, thermisch isolierten leitungsrohren |
| DE3429018C1 (de) * | 1984-08-07 | 1985-08-14 | Fa. Carl Freudenberg, 6940 Weinheim | Verfahren zur kontinuierlichen Herstellung eines zylindrischen Hohlkoerpers aus Schaumstoff |
| US5421371A (en) * | 1993-04-19 | 1995-06-06 | Nmc Of North America, Inc. | Multi-layered bonded closure system for foam tubes or profiles |
| AUPQ769300A0 (en) * | 2000-05-23 | 2000-06-15 | Ssh Medical Limited | Manufacture of a seal for vaginal speculum |
| AU773880B2 (en) * | 2000-05-23 | 2004-06-10 | Ssh Medical Limited | Manufacture of dome-shaped articles from thermoplastic foam sheet material technical field |
| BE1016954A3 (nl) * | 2006-02-08 | 2007-10-02 | Imhold Nv | Inrichting voor het vervaardigen van schuimveren. |
| WO2010151774A1 (en) | 2009-06-25 | 2010-12-29 | Nomaco Inc. | Self-adjusting insulation, including insulation particulary suited for pipe or duct |
| WO2013170250A1 (en) | 2012-05-11 | 2013-11-14 | Nomaco Inc. | Insulation systems employing expansion features to insulate elongated containers subject to extreme temperature fluctuations, and related components and methods |
| CN102886896B (zh) * | 2012-10-23 | 2015-03-04 | 中山市新宏业自动化工业有限公司 | 一种全塑复合片材焊接装置 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3279503A (en) * | 1963-08-19 | 1966-10-18 | Dow Chemical Co | Snap-on foamed resin insulation |
| DE1915768C3 (de) * | 1968-03-27 | 1974-02-07 | The Furukawa Electric Co., Ltd., Tokio | Verfahren und Vorrichtung zum kontinuierlichen Herstellen eines röhrenförmigen Gegenstandes aus einer Bahn aus geschäumten thermoplastischem Harz |
| GB1277038A (en) * | 1969-07-09 | 1972-06-07 | Vladimirsky Nii Sint Smol | A method of manufacturing shaped articles from elastic porous materials |
| GB1488934A (en) * | 1974-01-28 | 1977-10-19 | Sekisui Chemical Co Ltd | Method and apparatus for producing synthetic resin tube |
-
1975
- 1975-07-19 DE DE2532406A patent/DE2532406C3/de not_active Expired
-
1976
- 1976-07-15 FR FR7621695A patent/FR2318724A1/fr active Granted
- 1976-07-15 BE BE168932A patent/BE844152A/xx not_active IP Right Cessation
- 1976-07-16 AT AT525576A patent/AT363252B/de not_active IP Right Cessation
- 1976-07-16 CH CH916376A patent/CH612619A5/xx not_active IP Right Cessation
- 1976-07-16 NL NL7607916A patent/NL179885C/xx not_active IP Right Cessation
- 1976-07-16 IT IT5047676A patent/IT1066531B/it active
- 1976-07-16 DK DK322576A patent/DK151372C/da not_active IP Right Cessation
- 1976-07-19 GB GB2992676A patent/GB1514369A/en not_active Expired
- 1976-07-19 SE SE7608205A patent/SE7608205L/xx unknown
- 1976-07-19 IE IE1595/76A patent/IE43495B1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2532406A1 (de) | 1977-01-20 |
| NL179885C (nl) | 1986-12-01 |
| DE2532406B2 (de) | 1978-04-13 |
| FR2318724A1 (fr) | 1977-02-18 |
| IE43495L (en) | 1977-01-19 |
| NL7607916A (nl) | 1977-01-21 |
| DK151372C (da) | 1988-05-16 |
| ATA525576A (de) | 1980-12-15 |
| GB1514369A (en) | 1978-06-14 |
| AT363252B (de) | 1981-07-27 |
| FR2318724B1 (enExample) | 1981-04-30 |
| DE2532406C3 (de) | 1980-04-10 |
| DK322576A (da) | 1977-01-20 |
| DK151372B (da) | 1987-11-30 |
| BE844152A (fr) | 1976-11-03 |
| SE7608205L (sv) | 1977-01-10 |
| IT1066531B (it) | 1985-03-12 |
| CH612619A5 (en) | 1979-08-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3388017A (en) | Tube making method and apparatus | |
| US3524779A (en) | Method of making wound tubular products | |
| US3855037A (en) | Manufacture or closing of sacks by welding cut lengths of tube of thermoplastics | |
| US4999903A (en) | Process of manufacturing composite tube by rolling and welding without elongating the same | |
| IE43495B1 (en) | Improvements in or relating to foam tubes | |
| US6280554B1 (en) | Manufacturing method for a drip irrigation conduit, manufacturing line for the implementation thereof and conduit obtained thereby | |
| CA2021646A1 (en) | Apparatus and process for the production of tubular bodies | |
| US3769124A (en) | Method and apparatus for splicing foam sheet material | |
| CA2498201A1 (en) | Conduits and method of forming | |
| US6620278B1 (en) | Drip tape manufacturing process | |
| CA1333685C (en) | Apparatus and method for fabricating structural panels having corrugated core structures and panel formed therewith | |
| KR900002018A (ko) | 파형관, 그 제조방법 및 그 제조장치 | |
| JPS58131034A (ja) | 平らなウエブをチユ−ブに成形するための方法及び装置 | |
| US2403995A (en) | Method of making fiber container | |
| KR940009903B1 (ko) | 관상체의 제조방법 및 그 장치 | |
| US5000369A (en) | Method and apparatus for manufacturing plastic-lined pipe | |
| DK150237B (da) | Fremgangsmaade til kontinuerlig fremstilling af et raer eller raerbundt med en isolationskappe af skumformstof | |
| NZ208185A (en) | Continuous production of foam-insulated tube or tube bundle | |
| JP2506583B2 (ja) | 積層筒状体を製造する方法 | |
| KR100360764B1 (ko) | 개선된 복합파이프 제조방법 및 그 장치 | |
| US6907912B2 (en) | Method and device for joining sections of thermoplastic continuous web material | |
| EP1328752A1 (en) | Method and device for the production of insulated pipes | |
| JPH11504267A (ja) | プラスティック管の金属鎧装方法 | |
| JPH11151753A (ja) | 金属パイプへの断熱材被覆方法およびその装置 | |
| US4875960A (en) | Apparatus and method for manufacturing tubular member |