WO2005108830A1 - Garniture servant a assurer l'etancheite d'une ouverture - Google Patents

Garniture servant a assurer l'etancheite d'une ouverture Download PDF

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Publication number
WO2005108830A1
WO2005108830A1 PCT/EP2005/051705 EP2005051705W WO2005108830A1 WO 2005108830 A1 WO2005108830 A1 WO 2005108830A1 EP 2005051705 W EP2005051705 W EP 2005051705W WO 2005108830 A1 WO2005108830 A1 WO 2005108830A1
Authority
WO
WIPO (PCT)
Prior art keywords
sealing body
seal
sealing
stiffening elements
seal according
Prior art date
Application number
PCT/EP2005/051705
Other languages
German (de)
English (en)
Inventor
Henning Stieglitz
Franz Grajewski
Mathias Geyer
Stefan Buhl
Original Assignee
Krauss-Maffei Kunststofftechnik Gmbh
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 Krauss-Maffei Kunststofftechnik Gmbh filed Critical Krauss-Maffei Kunststofftechnik Gmbh
Priority to AT0912805A priority Critical patent/AT503379A5/de
Priority to DE112005000618T priority patent/DE112005000618A5/de
Publication of WO2005108830A1 publication Critical patent/WO2005108830A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L7/00—Supporting of pipes or cables inside other pipes or sleeves, e.g. for enabling pipes or cables to be inserted or withdrawn from under roads or railways without interruption of traffic
    • F16L7/02—Supporting of pipes or cables inside other pipes or sleeves, e.g. for enabling pipes or cables to be inserted or withdrawn from under roads or railways without interruption of traffic and sealing the pipes or cables inside the other pipes, cables or sleeves
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/254—Sealing means
    • 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
    • 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
    • B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
    • F16L5/02—Sealing
    • F16L5/10—Sealing by using sealing rings or sleeves only
    • 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
    • B29C48/07—Flat, e.g. panels
    • 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
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles

Definitions

  • the invention relates to a seal for sealing an opening of an at least partially fluid-filled container, in particular a cooling device, with a sealing body, the sealing body having an inner region and an outer region, the sealing body being designed such that an object can pass through it is and wherein the sealing body consists at least partially of stretchable material.
  • Seals of the type mentioned have long been known in practice. Such seals are used primarily in the extrusion of products, in which case the opening of a cooling device used to cool the extruded product is usually closed with such a seal.
  • the product for example a pipe
  • the cooling device having a container that is at least partially filled with fluid, e.g. B. with water to cool the extruded product.
  • fluid e.g. B. with water
  • the already known seals are usually designed as rubber funnels or rubber plates, on which fabric tapes are sewn.
  • the longitudinally attached fabric belts are said to reduce so-called chattering, since they somewhat limit the longitudinal expansion of the rubber funnel or the rubber plate.
  • a fabric strip is usually also arranged on the inner area, which is stretchable and avoids direct contact of the extruded product with the rubber of the sealing body. As a result, the extruded product slides through the seal without stretching it too much in the longitudinal direction and thus causing rattling. It is often problematic with the seals known from the prior art that they often show leaks in operation, in particular in the case of dimensional change systems, in the case of small dimensions of the product which are located at the lower edge region of the area of use.
  • the present invention is therefore based on the object of specifying a seal for sealing an opening of the type mentioned at the beginning, in which safe operation with inexpensive construction and in which good quality of a product interacting with the seal is made possible.
  • the above object is achieved by a seal for sealing an opening with the features of claim 1.
  • the seal in question is then designed and developed in such a way that the sealing body has at least one stiffening element which extends essentially from the inner to the outer region.
  • the stiffening elements for example the selected bending behavior and the circumferential and / or the radial extension of the stiffening elements or their extension from the inner to the outer region of the stiffening elements, the expansion behavior of the sealing body and thus, for example, a mechanical load on the seal can be adjusted reduced and / or substantially avoided by bulging.
  • the seal thus lies particularly well on the object or product, which enables a good quality of the product, since the rattling is reduced.
  • the stiffening elements could be arranged on the sealing body and connected to it.
  • the stiffening elements could, for example, be arranged in pockets arranged on the sealing body. This means that the stiffening elements can be replaced and the sealing body can be adapted to a wide variety of tasks.
  • the sealing elements could be an integral part of the sealing body.
  • the sealing body could consist of two rubber plates between which one or more stiffening elements are introduced, the rubber plates being able to be firmly connected to the rubber by suitable methods.
  • stiffening elements were arranged offset in the circumferential direction of the sealing body.
  • only two, three or more stiffening elements could also be provided.
  • the expansion behavior of the sealing body could be influenced by the distance between the stiffening elements and matched exactly to the area of application. Additionally or alternatively, the expansion behavior could also be set by the shape of the stiffening elements and / or their size.
  • the stiffening elements could essentially consist of metal and / or plastic. This would be a special ensures simple and inexpensive manufacture of the stiffening elements and good processability.
  • the sealing body could advantageously be designed essentially circular in cross section.
  • the circular cross section could be given in particular when the sealing body is in operation. This means that the sealing body could be designed in such a way that it collapses when it is not in operation and thus does not have an essentially circular cross section.
  • the sealing body would then be particularly optimal for circular products that pass through the seal, such as. B. pipes adapted.
  • the sealing body could be designed essentially rectangular in cross section. This would allow the passage of a rectangular object, such as a plate.
  • the essentially rectangular cross section could only exist during operation of the seal.
  • the sealing body could also have any other shape. The shape of the cross section could advantageously be matched to the shape of the object that passes through the seal.
  • the sealing body could be essentially funnel-shaped. This would have a particularly good effect on the sealing behavior.
  • the outer area of the sealing body could have a larger diameter than the inner area, and the funnel shape could have any shape in cross section.
  • the sealing body could also have a plate-shaped configuration, i.e. that the sealing body extends during operation essentially in one plane with or substantially parallel to the wall of the container.
  • the sealing body could have a preferably elastic fabric band on its inner region for producing an improved contact between the sealing body and the object.
  • the outer area could be fastened to the container in any form, for example by means of a clamping device. It could however, the inner area of the sealing body may also be arranged on the container and the outer area in the object may be in contact.
  • Fig. 4b shows a section A-A of the seal according to the invention of the embodiment of Fig. 4a and
  • Fig. 5 in a schematic representation, a seal according to the invention in use with a section of a cooling device.
  • the known seal has a sealing body 1, the sealing body 1 having an inner region 2 and an outer region 3 for the passage of a tube 4.
  • the sealing body is formed from a rubber plate which has 4 fabric strips a in the direction of passage of the tube.
  • a further fabric band b is arranged, which is stretchable.
  • Fig. 3 shows the use of such a known seal in a cooling device with a full bath.
  • the object that passes through the cooling device and the sealing body 1 is a tube 4.
  • this schematic illustration it is particularly clear how much such a known seal bulges under the pressure of the water in the cooling device.
  • FIG. 4a shows a sealing body 1 according to the invention, this sealing body 1 also having an inner region 2 and an outer region 3 for the passage of an object 4, in this exemplary embodiment a pipe 4.
  • the sealing body 1 consists of stretchable material, rubber in this embodiment.
  • the sealing body 1 has stiffening elements 5 which extend essentially in the direction of passage of the tube 4.
  • the stiffening elements 5 are an integral part of the sealing body 1, which consists of two rubber plates into which the stiffening elements 5 are embedded.
  • the sealing body 1 shown in FIG. 4a is suitable for being operated both in a funnel-shaped and in a plate-like manner.
  • the four stiffening elements 5 are arranged in the circumferential direction of the sealing body 1, with the spacing of the expansion behavior of the sealing body 1 being adjusted to the particular application.
  • the stiffening elements 5 are made of metal.
  • the sealing body 1 is essentially circular in cross section and has an essentially funnel-shaped configuration during operation of the sealing body 1.
  • Fig. 5 shows the seal according to the invention in operation with a full bath cooling according to Fig. 3.
  • the sealing body 1 is operated in a funnel shape.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Gasket Seals (AREA)

Abstract

L'invention concerne une garniture servant à assurer l'étanchéité d'une ouverture d'un contenant au moins partiellement rempli de fluide, notamment d'un dispositif de refroidissement. Cette garniture présente un corps d'étanchéité (1) qui comporte une zone intérieure (2) et une zone extérieure (3). Ladite garniture d'étanchéité (1) est conçue de façon à pouvoir être traversée par un objet (4). Le corps d'étanchéité (1) est constitué au moins partiellement d'un matériau élastique. L'objectif de l'invention est de créer une garniture fiable, conçue de manière économique, permettant d'obtenir un produit extrudé de bonne qualité. A cet effet, la garniture est conçue de sorte que le corps d'étanchéité (1) présente au moins un élément de renforcement (5) s'étendant sensiblement de la zone intérieure (2) à la zone extérieure (3).
PCT/EP2005/051705 2004-05-05 2005-04-19 Garniture servant a assurer l'etancheite d'une ouverture WO2005108830A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT0912805A AT503379A5 (de) 2004-05-05 2005-04-19 Dichtung zur abdichtung einer öffnung
DE112005000618T DE112005000618A5 (de) 2004-05-05 2005-04-19 Dichtung zu Abdichtung einer Öffnung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004022530.3 2004-05-05
DE102004022530A DE102004022530A1 (de) 2004-05-05 2004-05-05 Dichtung zur Abdichtung einer Öffnung

Publications (1)

Publication Number Publication Date
WO2005108830A1 true WO2005108830A1 (fr) 2005-11-17

Family

ID=34967647

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/051705 WO2005108830A1 (fr) 2004-05-05 2005-04-19 Garniture servant a assurer l'etancheite d'une ouverture

Country Status (3)

Country Link
AT (1) AT503379A5 (fr)
DE (2) DE102004022530A1 (fr)
WO (1) WO2005108830A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009127567A1 (fr) * 2008-04-16 2009-10-22 Kraussmaffei Technologies Gmbh Dispositif d'extrusion pour produire des tubes en plastique et joint souple pour ce dispositif
WO2014006210A1 (fr) * 2012-07-05 2014-01-09 Kraussmaffei Technologies Gmbh Joint d'étanchéité destiné à être utilisé dans un dispositif d'extrusion

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008019321B3 (de) * 2008-04-16 2009-12-03 Kraussmaffei Technologies Gmbh Strangpressvorrichtung zur Herstellung von Kunststoffrohren
DE102008050227B4 (de) * 2008-10-02 2020-12-10 Battenfeld-Cincinnati Germany Gmbh Vorrichtung zum Abdichten
DE102011105446B4 (de) 2011-06-24 2013-01-10 Kraussmaffei Technologies Gmbh Dichtung für eine Extrusionslinie mit variablem Strangdurchmesser
DE202011102283U1 (de) 2011-06-24 2011-12-22 Kraussmaffei Technologies Gmbh Dichtung für eine Extrusionslinie mit variablem Strangdurchmesser

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR616053A (fr) * 1926-05-11 1927-01-22 Dispositif de membrane à armature métallique externe, applicable aux détendeurs robinets et appareils similaires
FR814328A (fr) * 1936-11-16 1937-06-21 Westinghouse Freins Perfectionnements aux appareils actionnés par du fluide sous pression et comprenant des diaphragmes flexibles ou organes analogues
US3729204A (en) * 1969-08-16 1973-04-24 Kupfer Asbest Co Sealing sleeve, especially for radial shaft sealing rings
DE3926790A1 (de) * 1989-08-14 1991-02-21 Kriegler Franz Membranabdichtung
US5248154A (en) * 1991-10-07 1993-09-28 Poly-Tec Products, Inc. Bidirectional gasket
WO1996018227A1 (fr) * 1994-12-07 1996-06-13 Bicc Public Limited Company Joints pour cables electriques et analogues

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL299224A (fr) * 1962-10-30 1900-01-01
GB1180234A (en) * 1966-03-11 1970-02-04 Nat Res Dev Pressure Resisting Seal
US3554562A (en) * 1967-06-21 1971-01-12 Gen Motors Corp Valve stem seal assembly
US3509890A (en) * 1968-03-18 1970-05-05 Phillips Petroleum Co Spring biased gasket for bath housing
DE3935960C2 (de) * 1989-10-27 1994-06-23 Mtu Muenchen Gmbh Einrichtung zur abdichtenden Überbrückung eines Spaltes zwischen zwei in drei Raumrichtungen verschiebbaren Bauteilen
DE10333365A1 (de) * 2003-07-23 2005-02-24 Inoex Gmbh Dichtung mit variablem Innendurchmesser

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR616053A (fr) * 1926-05-11 1927-01-22 Dispositif de membrane à armature métallique externe, applicable aux détendeurs robinets et appareils similaires
FR814328A (fr) * 1936-11-16 1937-06-21 Westinghouse Freins Perfectionnements aux appareils actionnés par du fluide sous pression et comprenant des diaphragmes flexibles ou organes analogues
US3729204A (en) * 1969-08-16 1973-04-24 Kupfer Asbest Co Sealing sleeve, especially for radial shaft sealing rings
DE3926790A1 (de) * 1989-08-14 1991-02-21 Kriegler Franz Membranabdichtung
US5248154A (en) * 1991-10-07 1993-09-28 Poly-Tec Products, Inc. Bidirectional gasket
WO1996018227A1 (fr) * 1994-12-07 1996-06-13 Bicc Public Limited Company Joints pour cables electriques et analogues

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009127567A1 (fr) * 2008-04-16 2009-10-22 Kraussmaffei Technologies Gmbh Dispositif d'extrusion pour produire des tubes en plastique et joint souple pour ce dispositif
WO2014006210A1 (fr) * 2012-07-05 2014-01-09 Kraussmaffei Technologies Gmbh Joint d'étanchéité destiné à être utilisé dans un dispositif d'extrusion
CN104395053B (zh) * 2012-07-05 2017-03-08 克劳斯玛菲科技有限公司 用于应用在挤压设备中的密封件
US9623599B2 (en) 2012-07-05 2017-04-18 Kraussmaffei Technologies Gmbh Seal for use in an extrusion device

Also Published As

Publication number Publication date
DE112005000618A5 (de) 2007-12-06
DE102004022530A1 (de) 2005-12-01
AT503379A5 (de) 2007-09-15

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