EP3022034A1 - Moule de moussage pour la fabrication d'une bande profilée, procédé de fabrication d'une bande profilée ainsi que bande profilée - Google Patents

Moule de moussage pour la fabrication d'une bande profilée, procédé de fabrication d'une bande profilée ainsi que bande profilée

Info

Publication number
EP3022034A1
EP3022034A1 EP14742480.8A EP14742480A EP3022034A1 EP 3022034 A1 EP3022034 A1 EP 3022034A1 EP 14742480 A EP14742480 A EP 14742480A EP 3022034 A1 EP3022034 A1 EP 3022034A1
Authority
EP
European Patent Office
Prior art keywords
profile
foaming
strand
flowable
cavity
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP14742480.8A
Other languages
German (de)
English (en)
Inventor
Herbert Münzenberger
Mario Paetow
Andreas OBER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hilti AG
Original Assignee
Hilti AG
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 Hilti AG filed Critical Hilti AG
Priority to EP14742480.8A priority Critical patent/EP3022034A1/fr
Publication of EP3022034A1 publication Critical patent/EP3022034A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B29C44/58—Moulds
    • 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
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
    • B29C67/246—Moulding high reactive monomers or prepolymers, e.g. by reaction injection moulding [RIM], liquid injection moulding [LIM]
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66—Sealings
    • E04B1/68—Sealings of joints, e.g. expansion joints
    • E04B1/6812—Compressable seals of solid form
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/94—Protection against other undesired influences or dangers against fire
    • E04B1/948—Fire-proof sealings or joints
    • 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
    • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
    • 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
    • B29K2083/00—Use of polymers having silicon, with or without sulfur, nitrogen, oxygen, or carbon only, in the main chain, as moulding material
    • 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
    • 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
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0012—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular thermal properties
    • 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
    • B29L2031/00—Other particular articles
    • B29L2031/26—Sealing devices, e.g. packaging for pistons or pipe joints
    • B29L2031/265—Packings, Gaskets

Definitions

  • Foaming tool for producing a profile strand method for producing a profile strand and profile strand
  • the invention relates to a foaming tool for foaming a lace or ribbon-like profile strand, a method for producing a lace-like or ribbon-like profile strand and a profile strand.
  • the profile strands are made of an intumescent material, so that they expand in case of fire, thereby limiting smoke propagation and oxygen supply to the fire.
  • the profile strands are produced in a foaming process, such as the RIM process, in an elongate and thus expensive foaming mold.
  • This object is achieved by a foaming tool for foaming a cord or ribbon-like extruded profile for civil engineering, in particular a fire protection joint profile, with a cavity to be foamed in the foaming tool, wherein the cavity is essentially a spiral represents. Due to the production of the profiled strand in the form of a spiral, the length of the foaming tool no longer corresponds to the length of the profiled strand to be produced, but is much lower. The tool is also cheaper.
  • the radially adjacent portions of the cavity are connected by a thin web, so that a connecting bridge can form on the profile strand.
  • the length of the spiral is not limited.
  • the object is further achieved by a method for producing a lace or ribbon-like profile strand for civil engineering, in particular a round cord, a joint profile or strip material, wherein a flowable foaming material is introduced into a foaming tool according to the invention, reacted in the foaming and then out of the Foaming tool is removed.
  • the flowable foaming material is a reaction mass containing at least two components such that reaction of the two components causes foaming of the flowable foaming material.
  • the flowable foaming material may be polyurethane foam or silicone foam. Due to the widespread use and low cost of these materials, a profile strand of these materials is inexpensive.
  • the flowable foam material in the cured state is an elastically deformable polymer foam, so that the unwinding of the profile strand from its spiral shape is easily possible.
  • the flowable material is intumescent in the cured state, whereby the profile strands can be used for fire protection.
  • the profile strand consists of a foamable binder which contains an intumescent mixture of substances.
  • the binder serves as a composite-forming carrier for the intumescent mixture.
  • the mixture of substances is preferably distributed homogeneously in the binder.
  • the composite-forming carrier is preferably selected from the group consisting of polyurethanes, phenolic resins, polystyrenes, polyolefins such as polyethylene and / or polybutylene, melamine resins, melamine resin foams, synthetic or natural rubber, cellulose, elastomers, and mixtures thereof, with polyurethanes being preferred.
  • the ash-forming and optionally intumescent mixture comprises the usual fire protection additives known to the person skilled in the art, which foam in the event of fire, ie under heat and thereby form a foam which prevents flame propagation, such as an intumescent material based on an acid generator, a carbon-providing compound and a gas generator.
  • the intumescent material comprises as acid generator, a salt or an ester of an inorganic, non-volatile acid selected from sulfuric acid, phosphoric acid and boric acid, as the carbon-providing compound, a polyhydroxy compound and / or a thermoplastic or thermosetting polymeric resin binder and as a gas-forming agent a chlorinated paraffin, melamine , a melamine compound, in particular melamine cyanurate, melamine phosphate, melamine polyphosphate, tris (hydroxyethyl) cyanurate, cyanamide, dicyanamide, dicyandiamide, biguanidine and / or a guanidine salt, in particular guanidine phosphate or guanidine sulfate.
  • an inorganic, non-volatile acid selected from sulfuric acid, phosphoric acid and boric acid
  • the carbon-providing compound a polyhydroxy compound and / or a thermoplastic or thermosetting polymeric resin binder and as a gas
  • the composite-forming carrier may further be used as an ablative additive, an inorganic compound containing water, e.g. as crystal water, has stored firmly and at temperatures up to 100 ° C does not dry out, but this releases in case of fire from 120 ° C and thereby cool temperature-bearing parts, preferably, at the fire temperature or when flaming water-emitting inorganic hydroxide or hydrate, in particular Aluminum hydroxide, alumina hydrates or partially hydrated aluminum hydroxides.
  • inorganic hydroxides or hydrates which emit water during the flame treatment are also suitable, as described in EP 0 274 068 A2.
  • Such compounds that can be used as a mixture in the fire protection insert according to the invention are known in the art and, for example, in DE 30 25 309 A1, DE 30 41 731 A1, DE 33 02 416 A1, DE 34 1 1 327 A1, EP 0 043 952 B1, EP 0 051 106 B1, to which reference is hereby expressly made.
  • the molded body consists of an intumescent polyurethane foam, as it is known from EP 0061024 A1, DE 3025309 A1, DE 3041731 A1, DE 3302416 A and DE 341 1 327 A1.
  • the invention further relates to a profile strand for sealing joints in civil engineering, which is designed as a developable spiral and which has a bending elasticity to bend the profile strand from the spiral shape into a linear shape.
  • a profile strand is provided, the production of which is possible in automated production plants.
  • the radially adjacent sections of the profiled strand merge into one another by means of a breakable connecting bridge, which secures the spiral shape, so that a simple transport of the profiled strand is ensured.
  • the connecting bridge may be continuous along the spiral length, or there may be a plurality of spaced bridges.
  • the profile strand is a fire protection joint profile, in particular in the form of a round cord profile, a strip profile or a joint profile, whereby the use of the profile strand for fire protection is possible.
  • FIG. 1 shows a plan view of one half of a foaming tool according to the invention
  • 2 shows a section through a closed inventive foaming tool
  • FIG. 3 shows a sectional profile according to the invention in section
  • FIG. 4 shows the tool according to the invention and with the invention
  • FIG. 1 shows one half of a foaming tool 10.
  • the foaming tool 10 comprises a lower mold 12 and an upper mold 14 (not shown), wherein in FIG. 1 the lower mold 12 is shown in plan view.
  • the lower mold 12 has a parting plane 16 which faces the upper mold 14. In the surface of the parting plane 16, a recess 18 is provided, which describes a spiral.
  • the upper mold 14 of the foaming tool 10 like the lower mold 12, has a recess 20.
  • the recess 20 is disposed on the lower mold 12 side facing the upper mold 14, that is, in the parting plane and is also spiral.
  • the spirals of the lower mold 12 and the upper mold 14 are mirror images of each other, that is, that they can be converted into each other by an axis mirror on an axis in the parting plane of the mold sides.
  • the foaming tool 10 is shown in the closed state.
  • the mold side of the upper mold 14 lies on the mold side of the lower mold 12, so that the recess 18 of the lower mold 12 and the recess 20 of the upper mold 14 are congruent and form a cavity 22.
  • Due to the spiral shape of the recesses 18, 20, the cavity 22 also forms a spiral.
  • the cross-sectional profile of the spiral cavity 22 is, for example, circular, see FIG. 2.
  • the length of the helical cavity 22, that is, the length that the cavity 22 would have in unwound form, is at least 1.5 m.
  • a flowable foaming material 25 which consists of at least two components, is first introduced into the recess 18 of the lower mold 12.
  • the flowable foaming material 25 is, for example, a reaction mass and may be polyurethane foam or silicone foam, as explained in more detail above.
  • the upper mold 14 is placed on the lower mold 12 and thus the Schwarzumwerkmaschine 10 closed.
  • the flowable foaming material 25 now reacts by increasing its volume. As a result of the volume increase, the reacted and cured foam material 25 fills the entire cavity 22 and the web 24 and thus produces a profiled strand 26, as shown in FIGS. 3 and 4.
  • the extruded profile 26, that is to say the cured foam material, is, for example, a deformable polymer foam which is optionally intumescent.
  • the profiled strand 26 shown in FIGS. 3 and 4 is designed as a developable spiral due to the spiral shape of the hollow space 22.
  • the connecting bridge 28 is formed by foaming the web 24 and is made so thin that it simply tears without tools when the spiral is unwound.
  • the profile strand 26 In order to install the profile strand 26, it is necessary to unwind the profile strand 26.
  • the profile strand 26 has a bending elasticity that allows a user to the profile strand 26 from its spiral shape in a linear shape to bend.
  • the connection bridge 28 is at least partially destroyed, so that radially adjacent regions of the profile strand 26 can separate from each other.
  • the profile strand 26 is a fire protection joint profile, which, as shown in this embodiment, a round cord profile.
  • the description of the foaming tool 10, the method and the profile strand 26 is by no means to be understood as limiting.
  • the provision of venting means in the foaming tool 10 is advantageous in order to vent the cavity 22 during the foaming of the foaming material 25 in the cavity 22 can.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Building Environments (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

L'invention concerne un moule de moussage (10) pour le moussage d'une bande profilée en forme de cordon ou de ruban destinée au secteur du bâtiment ou du génie civil, en particulier un profilé de protection contre le feu, ledit moule de moussage comprenant un moule et une cavité de moussage (22) formée dans le moule, ladite cavité (22) présentant sensiblement une forme de spirale.
EP14742480.8A 2013-07-17 2014-07-17 Moule de moussage pour la fabrication d'une bande profilée, procédé de fabrication d'une bande profilée ainsi que bande profilée Withdrawn EP3022034A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14742480.8A EP3022034A1 (fr) 2013-07-17 2014-07-17 Moule de moussage pour la fabrication d'une bande profilée, procédé de fabrication d'une bande profilée ainsi que bande profilée

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13176873.1A EP2826612A1 (fr) 2013-07-17 2013-07-17 Outil de moussage pour la fabrication d'une tige profilée, procédé de fabrication d'une tige profilée et tige profilée
PCT/EP2014/065350 WO2015007829A1 (fr) 2013-07-17 2014-07-17 Moule de moussage pour la fabrication d'une bande profilée, procédé de fabrication d'une bande profilée ainsi que bande profilée
EP14742480.8A EP3022034A1 (fr) 2013-07-17 2014-07-17 Moule de moussage pour la fabrication d'une bande profilée, procédé de fabrication d'une bande profilée ainsi que bande profilée

Publications (1)

Publication Number Publication Date
EP3022034A1 true EP3022034A1 (fr) 2016-05-25

Family

ID=48790296

Family Applications (2)

Application Number Title Priority Date Filing Date
EP13176873.1A Withdrawn EP2826612A1 (fr) 2013-07-17 2013-07-17 Outil de moussage pour la fabrication d'une tige profilée, procédé de fabrication d'une tige profilée et tige profilée
EP14742480.8A Withdrawn EP3022034A1 (fr) 2013-07-17 2014-07-17 Moule de moussage pour la fabrication d'une bande profilée, procédé de fabrication d'une bande profilée ainsi que bande profilée

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP13176873.1A Withdrawn EP2826612A1 (fr) 2013-07-17 2013-07-17 Outil de moussage pour la fabrication d'une tige profilée, procédé de fabrication d'une tige profilée et tige profilée

Country Status (3)

Country Link
US (1) US20160151947A1 (fr)
EP (2) EP2826612A1 (fr)
WO (1) WO2015007829A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2827465A1 (fr) * 2013-07-17 2015-01-21 HILTI Aktiengesellschaft Passage de ligne, procédé de fabrication d'un passage de ligne et procédé de montage d'un passage de ligne
RU170067U1 (ru) * 2016-06-16 2017-04-12 Ооо "Адитим" Утеплитель термоизолирующей камеры комбинированного профиля

Family Cites Families (18)

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Publication number Priority date Publication date Assignee Title
GB547506A (en) * 1941-03-07 1942-08-31 Josef Anton Talalay Improvements in and relating to the production of continuous sheet of porous or spongy rubber-like material
US3396129A (en) 1964-07-31 1968-08-06 Agriculture Usa Intumescing fire-retardant coating compositions and method for making same
US3579799A (en) * 1968-04-10 1971-05-25 Felt Products Mfg Co Method of making a grooved mold
US4218420A (en) * 1979-04-18 1980-08-19 Dayco Corporation Hose curing method
DE3025309A1 (de) 1980-07-04 1982-02-04 Bayer Ag, 5090 Leverkusen Gegebenenfalls geschaeumte intumeszenzmassen
DE3041731A1 (de) 1980-11-05 1982-06-09 Bayer Ag, 5090 Leverkusen Gegebenenfalls geschaeumte intumeszenzmassen und ihre verwendung
DE3109352A1 (de) 1981-03-12 1982-09-23 Bayer Ag, 5090 Leverkusen Gegebenenfalls geschaeumte intumeszenzmassen und ihre verwendung
DE3302416A1 (de) 1983-01-26 1984-07-26 Bayer Ag, 5090 Leverkusen Intumeszenzeigenschaften aufweisende konstruktionselemente
DE3411327A1 (de) 1984-03-28 1985-10-10 Bayer Ag, 5090 Leverkusen Gegebenenfalls poeroese intumeszenzmassen und ihre verwendung
DE3643708A1 (de) 1986-12-20 1988-06-30 Bayer Ag Intumeszenzmassen und ihre verwendung
JPH081723A (ja) * 1994-06-17 1996-01-09 Nippondenso Co Ltd スクロール型圧縮機のシール部材及びその製造方法並びに成形用型
JP3326065B2 (ja) * 1996-01-18 2002-09-17 エヌオーケー株式会社 ガスケットの製造方法
DE19653503A1 (de) 1996-12-20 1998-06-25 Hilti Ag Intumeszierendes Material
DE19809973C1 (de) * 1998-03-09 1999-07-01 Salamander Ind Produkte Gmbh Schaumstoffkörper mit flammhemmenden Eigenschaften, insbesondere für Bauzwecke
AT411261B (de) 2002-03-19 2003-11-25 Intumex Gmbh Intumeszierende elektrische installationssysteme enthaltend eine kombination aus polyimiden und vermikulargraphit und zu deren herstellung
DE10330555A1 (de) 2003-07-06 2005-02-10 Karl Zimmermann Gmbh Feuerhemmende Massen
EP1785264A1 (fr) * 2005-11-14 2007-05-16 Tyco Electronics Raychem GmbH Dispositif et procédé pour la fabrication de bandes élastiques
JP4895008B2 (ja) * 2006-05-12 2012-03-14 Ｎｏｋ株式会社 ガスケットの成形型および製造方法

Non-Patent Citations (1)

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Title
See references of WO2015007829A1 *

Also Published As

Publication number Publication date
EP2826612A1 (fr) 2015-01-21
WO2015007829A1 (fr) 2015-01-22
US20160151947A1 (en) 2016-06-02

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