RU98101367A - TUBULAR PRODUCT, DEVICE AND METHOD OF EXTRUDING - Google Patents

TUBULAR PRODUCT, DEVICE AND METHOD OF EXTRUDING

Info

Publication number
RU98101367A
RU98101367A RU98101367/12A RU98101367A RU98101367A RU 98101367 A RU98101367 A RU 98101367A RU 98101367/12 A RU98101367/12 A RU 98101367/12A RU 98101367 A RU98101367 A RU 98101367A RU 98101367 A RU98101367 A RU 98101367A
Authority
RU
Russia
Prior art keywords
layer
tubular product
product according
plastic
bonding layer
Prior art date
Application number
RU98101367/12A
Other languages
Russian (ru)
Other versions
RU2178354C2 (en
Inventor
Кари Кирьявайнен
Юри Ярвенкюля
Original Assignee
Юпонор Инновейшн А.Б.
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
Priority claimed from FI953162A external-priority patent/FI953162A0/en
Priority claimed from SE9503272A external-priority patent/SE521725C2/en
Priority claimed from FI961540A external-priority patent/FI103185B/en
Priority claimed from FI961822A external-priority patent/FI106005B/en
Application filed by Юпонор Инновейшн А.Б. filed Critical Юпонор Инновейшн А.Б.
Publication of RU98101367A publication Critical patent/RU98101367A/en
Application granted granted Critical
Publication of RU2178354C2 publication Critical patent/RU2178354C2/en

Links

Claims (14)

1. Трубчатое изделие, содержащее, по меньшей мере, три слоя, то есть базовый слой, самый внутренний слой, выполненный из пластмассы посредством непрерывного экструдирования, причем базовый слой и самый внутренний слой плохо склеиваются друг с другом, и связующий слой между базовым слоем и самым внутренним слоем, отличающееся тем, что связующий слой состоит из вспененного материала, по меньшей мере, в одном промежуточном слое.1. A tubular product containing at least three layers, that is, a base layer, the innermost layer made of plastic by continuous extrusion, the base layer and the innermost layer poorly adhering to each other, and a bonding layer between the base layer and the innermost layer, characterized in that the bonding layer consists of foam material in at least one intermediate layer. 2. Трубчатое изделие по п.1, отличающееся тем, что базовый слой состоит из земли в грунте. 2. The tubular product according to claim 1, characterized in that the base layer consists of earth in the ground. 3. Трубчатое изделие по п.1, отличающееся тем, что базовый слой выполнен из металла, из покрытого пластмассой металла. 3. The tubular product according to claim 1, characterized in that the base layer is made of metal, of plastic coated metal. 4. Трубчатое изделие по п.3, отличающееся тем, что базовый слой содержит радиальные канавки или ребра. 4. The tubular product according to claim 3, characterized in that the base layer contains radial grooves or ribs. 5. Трубчатое изделие по любому из пп.1-4, отличающееся тем, что неровная внутренняя поверхность базового слоя сглажена вспененным связующим слоем, а внутренние поверхности связующего слоя и самого внутреннего слоя являются преимущественно, гладкими. 5. The tubular product according to any one of claims 1 to 4, characterized in that the uneven inner surface of the base layer is smoothed by a foamed binder layer, and the inner surfaces of the binder layer and the innermost layer are predominantly smooth. 6. Трубчатое изделие по любому из пп.1-5, отличающееся тем, что связующий слой содержит мелкозернистое заполняющее вещество. 6. The tubular product according to any one of claims 1 to 5, characterized in that the bonding layer contains a fine-grained filling substance. 7. Трубчатое изделие по любому из пп.1-6, отличающееся тем, что внутренний слой изделия изготавливают из ориентированной пластмассы. 7. The tubular product according to any one of claims 1 to 6, characterized in that the inner layer of the product is made of oriented plastic. 8. Трубчатое изделие по любому из пп.1-7, отличающееся тем, что связующий слой содержит ориентированные пузырьки пластмассы. 8. The tubular product according to any one of claims 1 to 7, characterized in that the bonding layer contains oriented bubbles of plastic. 9. Трубчатое изделие по любому из пп.1-8, отличающееся тем, что самый внутренний слой и/или связующий слой представляет собой полиэтилен с поперечными связями. 9. A tubular product according to any one of claims 1 to 8, characterized in that the innermost layer and / or the bonding layer is a polyethylene with transverse bonds. 10. Трубчатое изделие по любому из пп.1-9, отличающееся тем, что связующий слой состоит из привитого полиэтилена. 10. A tubular product according to any one of claims 1 to 9, characterized in that the bonding layer consists of grafted polyethylene. 11. Трубчатое изделие по любому из пп.1-10, отличающееся тем, что изделие соединяют вместе с другим аналогичным изделием посредством втулки (27) из пластмассы с поперечными связями, которая имеет диаметр, сжатый до размера, меньше нормального. 11. A tubular product according to any one of claims 1 to 10, characterized in that the product is connected together with another similar product by means of a sleeve (27) made of plastic with transverse bonds, which has a diameter compressed to a size less than normal. 12. Трубчатое изделие по любому из пп.1-10, отличающееся тем, что изделие соединяют с другим аналогичным изделием посредством втулки (28), устанавливаемой с внутренней стороны соединения и зажимного хомута (29), устанавливаемого с внешней стороны соединения. 12. A tubular product according to any one of claims 1 to 10, characterized in that the product is connected to another similar product by means of a sleeve (28) mounted on the inside of the connection and a clamping clamp (29) installed on the outside of the connection. 13. Устройство для экструдирования, содержащее средство для экструдирования многослойного изделия, содержащего, по меньшей мере, внутренний пластмассовый слой и связующий слой, отличающееся тем, что связующий слой представляет собой вспененный материал, а устройство располагается внутри трубчатого слоя и содержит расширяющую оправку для прижатия внутреннего слоя и связующего слоя из вспененного материала к базовому слою. 13. An extrusion device containing means for extruding a multilayer product containing at least an inner plastic layer and a bonding layer, characterized in that the bonding layer is a foam material, and the device is located inside the tubular layer and contains an expanding mandrel for pressing the inner a layer and a bonding layer of foam to the base layer. 14. Способ экструдирования многослойного изделия, содержащего, по меньшей мере, внутренний пластмассовый слой и связующий слой, отличающийся тем, что связующий слой состоит из вспененного материала, и что пластмассовый слой и связующий слой вспененного материала экструдируют внутри базового слоя и прижимают к базовому слою посредством расширяющейся оправки. 14. A method of extruding a multilayer product containing at least an inner plastic layer and a bonding layer, characterized in that the bonding layer consists of foam material, and that the plastic layer and the bonding layer of foam material are extruded inside the base layer and pressed to the base layer by expanding mandrel.
RU98101367A 1995-06-26 1996-06-20 Tubular product, device and method for extrusion RU2178354C2 (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
FI953162 1995-06-26
FI953162A FI953162A0 (en) 1995-06-26 1995-06-26 Extrusion processing For the production of plastics
SE9503272-8 1995-09-20
SE9503272A SE521725C2 (en) 1995-09-20 1995-09-20 Hollow product of thermoplastic material and methods for extrusion thereof
FI961540A FI103185B (en) 1996-04-04 1996-04-04 A method for adjusting the properties of an extrudable product and an extruder
FI961540 1996-04-04
FI961822 1996-04-29
FI961822A FI106005B (en) 1995-12-12 1996-04-29 Method for the manufacture of homogeneous material by means of an extruder and an extruder

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
RU98101363A Division RU2164318C2 (en) 1995-06-26 1996-06-20 Pipe

Publications (2)

Publication Number Publication Date
RU98101367A true RU98101367A (en) 2001-08-20
RU2178354C2 RU2178354C2 (en) 2002-01-20

Family

ID=27444248

Family Applications (2)

Application Number Title Priority Date Filing Date
RU98101367A RU2178354C2 (en) 1995-06-26 1996-06-20 Tubular product, device and method for extrusion
RU98101363A RU2164318C2 (en) 1995-06-26 1996-06-20 Pipe

Family Applications After (1)

Application Number Title Priority Date Filing Date
RU98101363A RU2164318C2 (en) 1995-06-26 1996-06-20 Pipe

Country Status (14)

Country Link
US (2) US7381454B1 (en)
EP (3) EP0853208B1 (en)
JP (3) JP3390952B2 (en)
KR (2) KR100252137B1 (en)
CN (1) CN1061592C (en)
AT (3) ATE199675T1 (en)
AU (1) AU704944B2 (en)
CA (3) CA2233030A1 (en)
DE (3) DE69622723T2 (en)
ES (2) ES2157444T3 (en)
IL (1) IL122764A (en)
RU (2) RU2178354C2 (en)
TR (1) TR199701701T1 (en)
WO (1) WO1997001429A2 (en)

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