DE1915768C3 - A method and apparatus for continuously manufacturing a tubular article from a sheet of foamed thermoplastic resin - Google Patents
A method and apparatus for continuously manufacturing a tubular article from a sheet of foamed thermoplastic resinInfo
- Publication number
- DE1915768C3 DE1915768C3 DE1915768A DE1915768A DE1915768C3 DE 1915768 C3 DE1915768 C3 DE 1915768C3 DE 1915768 A DE1915768 A DE 1915768A DE 1915768 A DE1915768 A DE 1915768A DE 1915768 C3 DE1915768 C3 DE 1915768C3
- Authority
- DE
- Germany
- Prior art keywords
- foamed
- tubular
- sheet
- thermoplastic resin
- resin
- 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.)
- Expired
Links
Classifications
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- 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
- 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
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- 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
- B29C66/01—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
- B29C66/112—Single lapped joints
- B29C66/1122—Single lap to lap joints, i.e. overlap joints
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- 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
- 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
- B29C66/40—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
- B29C66/4329—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 the joint lines being transversal but non-orthogonal with respect to the axis of said tubular articles, i.e. being oblique
-
- 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
- B29C66/49—Internally supporting the, e.g. tubular, article during joining
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- 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
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- 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
- B29C66/73—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/739—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/7392—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
- B29C66/73921—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
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- 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
- B29C67/0014—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for shaping tubes or blown tubular films
-
- 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
- B29C65/10—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined
-
- 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
- B29C65/10—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined
- B29C65/103—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined direct heating both surfaces to be joined
-
- 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
- B29C65/10—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined
- B29C65/106—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined using flames coming in contact with at least one of the parts to be joined
-
- 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
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/1403—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the type of electromagnetic or particle radiation
- B29C65/1412—Infrared [IR] radiation
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- 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
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- 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
- B29C65/40—Applying molten plastics, e.g. hot melt
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- 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
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- 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
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- 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)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Description
Verstoßenden Längssei'.jnHächen miteinander möglich ist. es besitzt einen hohen ReibungskoeK;Violating longitudinal si'.jnHächen with each other is possible. it has a high coefficient of friction;
\erbunden werden, dadurch gekenn io ziciuc-n-, so daü ein Abziehen vnp. eiaem Fornidu·.\ erbunden, thereby marked io ziciuc-n-, so that a deduction of vnp. a fornidu ·.
zeichnet, daß die LängsseitenfUiehen er- v.'hwierii· ist, und es eilaubt fur das Verschvveiii.shows that the long sides are allowed to move, and that it is allowed to move.
wärmt werden, daß danach längs der Verbin- nur ein ""Erhitzen tier Berührungsoberflächen, da <■■■■ are warmed that then along the connection only a "" heating of the contact surfaces, since <■■■■
üungslinie ein radialer Druck auf die röhrenför- vollständiges Erhitzen die Zellei.sirtsKtur des _exercise line a radial pressure on the tubular full heating the cell i.sirtsKtur des _
mig gebogene Bahn ausgeübt und diese dabei schäumten Materials /t-rstört. Röhrenförmige Gegu,exercised moderately curved path and this foamed material / t-r disrupts. Tubular Gegu,
flachgedrückt wird und daß dieser Druck nach 15 stände aus geschäumien· Harz werden daher nn. ;is flattened and that this pressure after 15 stands of foamed resin are therefore nn. ;
dem Verschmelzen der Seitenfläche noc;; so einem bekannter, Verfahren dadurch hcrgt-sieUi, :! αthe merging of the side surface noc ;; Such a well-known method thereby hcrgt-sieUi:! α
lange aufrechterhalten wird, bis die Seitenllächen das Harzmateria; direkt in der gewünschten For:-,long is maintained until the side surfaces the resin material; directly in the desired form: -,
abgekühlt sind. aufgeschäumt wird. >.i daß der gewünschte röhr·.1'·have cooled down. is foamed. > .i that the desired tube ·. 1 '
2. Vorrichtung zur Durchführung des Verfah- förmige Gegenstand unmittelbar erhalten wird. Di rens gemäß Anspruch 1 mit einer Forme in rieh- 20 ses Verfahren hat erhebliche wirtschaftliche Nac tung zum Zusammenführen der Längsränder der teile, da für jeden Durchmesser und jede Länge u. Bahn und einer Heizeinrichtung zum Erwärmen röhrenförmigen Gegenstandes eine eigene Forrn ^r dieser Längsränder, gekennzeichnet durch eine forderlich ist und da das Verfahren nur charg■..··· der Heizeinrichtung (18) nachgeordnete Druck- weise und nicht kontinuierlich durchgeführt werde: einrichtung, bestehend aus zwei waagerecht und 35 kann, d. h., für jeden Gegenstand muß die Form -u zwei senkrecht angeordneten endlosen Bändern hohem Zeitaufwand erwärmt und wieder abgekui;; (2.6, 13), die zusammengesetzt eine Druck- werden.2. Device for carrying out the procedural object is obtained directly. Tuesday rens according to claim 1 with a form in rieh- 20 ses process has considerable economic benefits device to merge the longitudinal edges of the parts, since u for each diameter and length. The web and a heater for heating a tubular object have their own shape these longitudinal margins, characterized by a is required and since the process is only charg ■ .. ··· the heating device (18) is subordinate to pressure and is not carried out continuously: device consisting of two horizontal and 35 can, d. that is, the form -u two vertically arranged endless belts warmed up and cooled down again a lot of time ;; (2.6, 13), which are composed of a pressure.
strecke bilden, deren Querschnitt dem Quer- Es ist auch ein Verfahren bekannt, bei dem d-.:iA method is also known in which d-.:i
schnitt der dach zusammengedrückten Bahn (1) röhrenförmige Gegenstand aus einer Bahn aus ge-cut the roof compressed sheet (1) tubular object from a sheet of
entspricht. 30 schäumtem Harz hergestellt wird, indem die Bahiis equivalent to. 30 foamed resin is made by the Bahi
3. Vorrichtung nach Anspruch 2, dadurch ge- um einen Formdorn gebogen wird bis sich ihr·. kennzeichnet, daß zwischen der Formeinrichtung Längsseitenflächen berühren. Da die Bahn aus ge (17) und den vier endlosen Rändern (2,6, 13) schäumtem Harz, wie bereits erwähnt, eine hohe Eiaeine Druckwalze (19) vorgesehen Ut. stizität hat, hat sie die Neigung, sich wieder von den3. Apparatus according to claim 2, characterized in that it is bent around a mandrel until its ·. indicates that longitudinal side surfaces touch between the forming device. Since the train from ge (17) and the four endless edges (2,6, 13) foamed resin, as already mentioned, a high egg one Pressure roller (19) provided Ut. sticity, it has a tendency to move away from the
4. Vorrichtung nach Anspriivh 2, dadurch ge- 35 Fonndorn abzuheben und ihre ursprüngliche Gestali kennzeichnet, daß die Druckeinrichtung aus einer anzunehmen, so daß die aneinanderstoßenden Ran Rolle (20), die auf ihrem Umfang mit einer Nut der der Bahn auseinanderklaffen, wenn sie von dei versehen ist, und einem in der Nut geführten end- Druckwalze freikommen, die sie gegen den Formlosen Druckband (21) besteht, wobei in der Nut dorn preßt. Bei diesem Verfahren muß daher eir eine Druckstrecke gebildet ist, deren Querschnitt 40 schnellhärtender Klebstoff zum Veibinden der aneindem Querschnitt der flach zusammengedrückten anderstoßenden Ränder verwendet werden, und das Bahn (1) entspricht. Abziehen des röhrenförmigen Gegenstandes von dem4. Device according to claim 2, thereby lifting off the mandrel and its original shape indicates that the printing device is to be adopted so that the abutting Ran Roller (20) that gape on their circumference with a groove of the track when they are from the dei is provided, and a guided in the groove end pressure roller come free, which they against the shapeless There is pressure band (21), the mandrel pressing in the groove. In this process, therefore, a a printing line is formed, the cross-section of which is 40 quick-setting adhesive for connecting the toeindem Cross-section of the flattened butted edges are used, and that Corresponds to web (1). Peeling off the tubular article from the
Formdorn kann nur so langsam erfolgen, daß die an-The mandrel can only be made so slowly that the other
einanderstoßenden Ränder eine ausreichende Zeilbutting edges a sufficient space
■»5 von der Druckwalze gegen den Fonndorn gepreßl■ »5 pressed by the pressure roller against the mandrel
Die Erfindung betrifft ein Verfahren zum kontinu- werden, um ein Härten der Verbindungsstelle sicherierlichen Herstellen eines röhrenförmigen Gegenstan- zustellen. Das besonders vorteilhafte thermische Verdes aus einer Bahn aus geschäumtem thermoplasti- schweißen der Bandränder ist daher bei diesen beschem Harz, bei dem die Bahn kontinuierlich um kannten Verfahren nicht anzuwenden, da es eine zu ihre Längsachse zusammengebogen wird und ihre 50 lange Abkühlzeit erfordertThe invention relates to a method to be continuous in order to ensure hardening of the connection point Manufacture of a tubular counterstay. The particularly advantageous thermal Verdes a sheet of foamed thermoplastic welding of the tape edges is therefore modest with these Resin, in which the web is continuous in order not to apply known processes, as there is a too their longitudinal axis is bent and their 50 requires a long cooling time
aneinanderstoßenden Längsseitenflächen miteinander Die Aufgabe der Erfindung besteht darin, das kon-abutting longitudinal side surfaces with one another The object of the invention is to
verbunden werden, und eine Vorrichtung zur Durch- tinuierliche Verfahren zum Herstellen von rötirenförführung dieses Verfahrens. migen Gegenständen aus geschäumtem thermopiasti-be connected, and a device for continuous process for the production of Rötirenförführung this procedure. like objects made of foamed thermoplastic
In letzter Zeit findet geschäumtes Harz auf den schem Harz so auszubilden, daß die aneinanderstoverschiedensten Gebieten Verwendung, z. B. als 55 ßenden Ränder der Bahn aus geschäumtem Harz Wärmeisolierung, Verpackungsmaterial und Innen- thermisch miteinander verschweißt werden können, auskleidung von Fahrzeugen. Röhren aus geschäum- ohne daß die Produktionsgeschwindigkeit verringert tem K-irz werden zur Wärmeisolierung von Rohren wird.Recently, foamed resin is found on the shem resin to be formed in such a way that the most different from each other Areas of use, e.g. B. as 55 ßenden edges of the web of foamed resin Thermal insulation, packaging material and interior can be thermally welded together, lining of vehicles. Foamed tubes without reducing the production speed tem K-irz are used for thermal insulation of pipes.
und al Verpackung für stangenförmige Güter ver- Erfindungsgemäß wird dies bei einem Verfahrenand al packaging for rod-shaped goods. According to the invention, this is done in a method
wendet, insbesondere für solche, deren Oberfläche 60 der eingangs beschriebenen Art dadurch erreicht, leicht beschädigt werden kann. daß die Längsseitenflächen der Bahn erwärmt wer-applies, in particular for those whose surface 60 of the type described above is achieved by can be easily damaged. that the long side surfaces of the web are heated
Dic Herstellung von röhrenförmigen Gegenstan- den, daß danach längs der Verbindungslinie ein raden aus geschäumtem thermoplastischem Harz bietet dialer Druck auf die röhrenförmig gebogene Bahn zahlreiche Schwierigkeiten. Es sind zwar zahlreiche ausgeübt und diese dabei flachgedrückt wird und Verfahren zur Herstellung von röhrenförmigen Ge- 05 daß dieser Druck nach dem Verschmelzen der Seigensländen aus niehtgeschäumtem thermoplasti- tenfläche noch so lange aufrechterhalten wird, bis die schem Harz bekannt, bei denen Bahnen aus diesem Seitenflächen abgekühlt sind. Harz auf einen Formdorn gewickelt und die aneinan- Die Vorrichtung zur Durchführung dieses Verfah-The manufacture of tubular objects that then curve along the connecting line Made of foamed thermoplastic resin, dialer provides pressure on the tubular curved sheet numerous difficulties. There are indeed numerous exercised and this is flattened and Process for the production of tubular ge 05 that this pressure after the merging of the Seigensländen made of non-foamed thermoplastic surface is maintained until the Shem resin known, in which webs are cooled from this side surfaces. Resin wound on a mandrel and the
3 43 4
fen:; besitz: cmc Forrneinrichlung /um Ziisamnn'n- den F ι g. J, 2 und 3 a Ins .If wiedergegeben In ik-iifen :; Ownership: CMC Forrneinrichlung / um Ziisamnn'n- F ι g. J, 2 and 3 a Ins .If reproduced in ik-ii
(uhren dor Liingsrändiv der Hahn und eiiitr lleizein- l:iy. I ur.d 2 wird nut I eine Bahn aus geschäumtem(clocks on the outer edge of the cock and purely lleizein- l : iy. I ur.d 2, nut I becomes a sheet of foamed
liehliing /um Erwärmen dieser Llingsrimder und ist thermoplastischem liar/hc/eichnct. Durch eine Fntiu-liehliing / um heating this llingsrimder and is thermoplastic liar / hc / eichnct. Through a fntiu-
frhndunusfjemäU gekennzeichnet durch eine der llciy- einrichtung 17 wird dice Hahn nach und nach /ufrhndunusfjemäU characterized by one of the llciy devices 17, dice Hahn is gradually / u
i'inrichüing naehgeordneie Diuckeinrichlung. beste- s dun in den Fig. .Ta, 3 h, 3 c und λ ei dan.csU-iii;:rii'inrichüing near-orderly printing facility. best s dun in Figs. Ta, 3 h, 3 c and λ ei dan.csU-iii;: ri
hem! aus zwei waagerecht und zwei senkrecht :iu- Queischnittsformen veriormi, wobei ihre Längsseiten-hem! of two horizontal and two vertical: iu- cross-sectional forms veriormi, with their long sides-
feordiieteii endlosen Bändern, die zusammengesety.; fluchen in und 1/ι gegehenenfulN miteinander in Bi-feordiieteii endless ribbons set together .; swearing in and 1 / ι gone fulN with each other in bi-
fuie Druckstrecke bilden, deren Querschnitt dem rührung kommen können. Die L.ängsseiienflachen 1 nFuie form pressure section, the cross-section of which can come into contact. The longitudinal longitudinal surfaces 1 n
Uuersehnitt tier flach zusammengedrückten Hahn und 1 /) werden erwärmt und durch emc Heizeinrich-Uuersehnitt tier flattened tap and 1 /) are heated and heated by emc heating
tintspriciu. Vor'eilhafienveise ist /wischen der Form- ia mng 18 zum Schmelzen gebracht, wonach die u.tintspriciu. Advantageously, the shape ia mng 18 is melted, after which the u.
einrichtung und den vier endlosen Handein cm·- Röhrenform überführte Bahn durch eine Druckwalzedevice and the four endless hand in cm · tubular form transferred web by a pressure roller
Druckwalze vorgesehen. 19 ■— wi.· in Fig. 3e dargestellt — flachgedrücktPressure roller provided. 19 - as shown in Fig. 3e - pressed flat
Die Druckeinrichtung besteht zweckmäßig aus wird, damit die Längsseiten miteinander verbundenThe printing device is expediently made so that the longitudinal sides are connected to one another
einer Rolle, die auf ihrem Umfang mit einer Nut ver- werden.a role, which are provided with a groove on their circumference.
Sehen ist, und aus einem in der Nut geführten endlo- 15 Während die so ausgebildete Rohre durch vierSee is, and from one guided in the groove endless- 15 while the so formed tubes pass through four
sen Druckband, wobei in der Nut eine Druckstrecke Bänder oben, umen, rechts und links weiterhin flachsen printing tape, with a printing section in the groove, tapes above, around, right and left still flat
gebildet ist, deren Querschnitt dem Querschnitt der zusammengedrückt gehalten wird, kühlt sie sich anis formed, the cross-section of which is kept compressed to the cross-section, it cools down
flach zusammengedrückten Bahn entspricht. den miteinander verbundenen Längsseitenflächen ab.corresponds to the flat compressed web. the interconnected longitudinal side surfaces.
Hie Erfindung bietet gegenüber dem bekannte!! und wenn kein Druck mehr ausgeübt wird, nimmt sieHie invention offers compared to the known !! and when there is no more pressure, she takes
\c:itthren den Vorteil, daß beim Verbinden der an- ao wieder die in F i g. 3 f dargestellte Röhrenform an.\ c: It has the advantage that when connecting the an ao again the in FIG. 3 f shown tubular shape.
tmanderstcßenden Ränder der Bahn durch ihern.i Die Forrneinrichtung 17 ist so ausgelegt, dall derthrough their abutting edges of the web. The former 17 is designed so that the
tches Verschweißen eine besonders homogene und Qutischnitt der Bahn — ν ie >n den F i g. 3 a bis 3dtches welding a particularly homogeneous and Quti cut of the web - ν ie> n den F i g. 3 a to 3d
haltbare Nah! erhalten wird. Das ertindungsgemäße dargestellt — fortschreitend -Jrändert wird, währenddurable Nah! is obtained. The according to the invention presented - progressively - is changed while
Verfahren verwendet keinen Formau-n, so daß da^ sie die Formeinrithtusig durcnli-uft Nach VerlassenThe procedure does not use a form, so that it goes through the form after leaving
Frobk-m der hohen Reibung des geschäumten Harz- 25 der Formeinrichtung 17 nimmt die Bahn eine Röh-Frobk-m the high friction of the foamed resin 25 of the molding device 17 takes the web a tube
tiiäier ils beim Abziehen von einem Dorn beseitigt renform an, wobei — wie in Fig. 3d daigesteüt —-tiiäier ils when pulling from a mandrel eliminates renform, whereby - as in Fig. 3d daigesteüt ---
Ist, wodurch eine hohe Produktionsgeschwindigkeit die in Längsrichtung parallelen Seitenflächen 1 α undIs, whereby a high production speed the longitudinally parallel side surfaces 1 α and
er,ei:lit wird i ο einander so gegenüberliegen, daß ein V-förmigerer, ei: lit will i ο face each other in such a way that a V-shaped
Das Verfahren und die Vorrichtung gemäß der Spalt gebildet wird. An die Formeinrichtung 17The method and apparatus according to which the gap is formed. To the forming device 17
Erfindung ist besonders wirtschaftlich; denn Röhren 30 schließt sich die Heizeinrichtung 18, z.B. ein elektn-Invention is particularly economical; because pipes 30 closes the heating device 18, e.g. an electric
aus geschäumtem Harz haben ein sehr großes spezifi- scher Lötkolben, ein Brenner oder eine Heißluftdüse,made of foamed resin have a very large specific soldering iron, torch or hot air nozzle,
s.ehes Volumen, weshalb die Transportkosten hoch sowie die Druckwalze 19 an. Die Druckwalze 19 hatSee volume, which is why the transport costs are high as well as the pressure roller 19. The pressure roller 19 has
Kind. Da die erfindungsgemäße Vorrichtung jedoch eine vorgegebene Breite und ist an beiden Seiten inChild. However, since the device according to the invention has a predetermined width and is in
sehr billig ist, können Betriebe, die derartige röhren- einem vorbestimmten Abstand mit zwei Flanschenis very cheap, factories that make such tubular a predetermined distance with two flanges
förmige Gegenstände in großen Mengen benötigen, 35 versehen. Die Druckwalze 19 ist weiterhin so an-need shaped objects in large quantities, 35 provided. The pressure roller 19 is still so different
dicse Vorrichtung leicht erwerben oder einfach auf- geordnet (beispielsweise hoher als die Forrr.einrichThis device can be easily acquired or simply arranged (for example higher than the form
bauen und die Herstellung selbst übernehmen, wo- tung 17), daß die Längsseitenflächen der Bahn inbuild and take over the production itself, clause 17), that the longitudinal side surfaces of the web in
durch die Transportkosten eingespart werden, die enge Berührung miteinander gebracht werden. Wennby saving transport costs that are brought into close contact with each other. When
beim Einkauf vom Hersteller entstehen. demnach die Bahn die Druckwalze 19 erreicht, wirdarise when purchasing from the manufacturer. accordingly, the web reaches the pressure roller 19 is
Materialien, die bei dem erfindungsgemäßen Vtr- 40 sie einer gewissen Spannung unterzogen und, wie inMaterials that are subjected to a certain voltage in the Vtr-40 according to the invention and, as in
!fahren verwendet werden können, sind z.B. Polyole- F i g. 3 e dargestellt, flachgedrückt. In diesem zusam-! driving can be used, for example, polyols F i g. 3 e shown, flattened. In this joint
ifine, mit anderen Komponenten copolymjrisierte mengedrückten Zustand werden die Längsseitenflä-If in a quantity-pressed state copolymerized with other components, the long side surfaces
Olefine, vernetzte Polyolefine, Vinylpolymere und chen la und 1 b der Bahn, die vorher durch die Heiz-Olefins, crosslinked polyolefins, vinyl polymers and chen la and 1b of the web, which were previously through the heating
mit diesen Polymeren vermischter natürlicher oder einrichtung »8 erwärmt wurden, fest miteinanderNatural or facility »8 mixed with these polymers, firmly together
synthetischer Kautschuk. 45 verbunden.synthetic rubber. 45 connected.
Im folgenden wird die Erfindung an Hand von Es ist wichtig, daß die erwurmte VerbindungsnahtIn the following, the invention is illustrated by means of It is important that the welded connection seam
Ausfiihrungsbeispiclen unter Bezugnahme auf die nicht mit der Druckwalze 19 in Berührung kommt.Embodiments with reference to which does not come into contact with the pressure roller 19.
Zeichnung näher erläutert. Die Längsseitenflächen 1 α und 1 b der Bahn kön-Drawing explained in more detail. The longitudinal side surfaces 1 α and 1 b of the web can
F ig. 1 zeigt in einer Draufsicht eine Vorrichtung nen nicht nur durch die Heizeinrichtung 18 miteinan-Fig. 1 shows a plan view of a device not NEN only by the heater 18 with each other
zur kontinuierlichen Herstellung von röhrenförmigen 50 der verbunden werden, sondern auch durch Verwep,-for the continuous production of tubular 50 which are connected, but also by Verwep, -
Gegenständen aus geschäumtem thermoplastischem dung von schmelzflüssigem Harz der gleichen ArtObjects made of foamed thermoplastic manure of molten resin of the same kind
Harz gemäß einer Ausführungsform der Erfindung; wie der der Bahn.Resin according to one embodiment of the invention; like that of the train.
Fig. 2 ist eine Seitenansicht der Vorrichtung nach Eine Druckeinrichtung setzt sich aus vier endlosenFig. 2 is a side view of the device according to a printing device is composed of four endless
F" ig. 1; Bändern, nämlich 2, 6, 6 und 13 zusammen undFig. 1; bands, namely 2, 6, 6 and 13 together and
F i g. 3 a bis 3f sind aufeinanderfolgende Quer- 55 transportiert den röhienförmigen Gegenstand vor-F i g. 3 a to 3f are successive transverse 55 transports the tube-shaped object forward.
sehnittsansichten der Bahn, während sie zu einer wärts, wobei er so flach zusammengedrückt gehaltenCross-sectional views of the web as it turned to a downward direction, being so held flat
Röhre verformt wird^ und zwar in den Schnittlinien wird, wie er durch die Druckwalze 19 flachgedrücktTube is deformed ^ and that is in the cutting lines, as it is flattened by the pressure roller 19
3a bis 3/der F i g. 1 und 2; wurde, während sich seine verschmolzene Verbin- 3a to 3 / of FIG. 1 and 2; while its fused compound
F i g. 4 ist eine vergrößerte Seitenansicht eines Tei- dungsnah1 abkühlt.F i g. 4 is an enlarged side view of a split seam 1 cools.
les der Vorrichtung nach einer /weiten Ausführungs- 60 Auf der Unterseite dieser Druckeinrichtung ist einles of the device according to a / broader embodiment. 60 On the underside of this printing device is a
form; unteres umlaufendes horizontales Band 2 angeordnet,shape; lower circumferential horizontal band 2 arranged,
Fig. 5 ist ein Schnitt längs der Linie V-V der das über drei Umlenkrollen 3, 4 und5 geführt ist.Fig. 5 is a section along the line V-V which is guided over three pulleys 3, 4 and 5.
Fig. 4; Ferner sind zwei senkrecht liegende endlose Bän-Fig. 4; Furthermore, there are two vertically lying endless belts
F i g. 6 ist ein Schnitt längs der Linie VI-VI der der 6 auf beiden Seiten angeordnet, die jeweils überF i g. 6 is a section along the line VI-VI of that of FIG. 6 arranged on both sides, each over
Fig. 4; 65 drei größeii Umlenkrollen 7, 8 und 9 und zwei klei-Fig. 4; 65 three large pulleys 7, 8 and 9 and two small
F ig. 7 ist ein Schnitt längs der Linie VII-VH der nere Führungsrollcn 10 und Il geführt sind. Zwi-Fig. 7 is a section along the line VII-VH of the inner guide rollers 10 and II. Between
Fig.4. sehen den kleineren Führungsrollen 10 und Il (vonFig. 4. see the smaller guide rollers 10 and II (from
Die erste Aitsriihmngsform der Erfindung ist in denen nachfolgend lediglich ein Paar t>eschriebenThe first embodiment of the invention is described below in only one pair
uirfl) erstreckt si< h eine l-'iihiungsplaltc 12. damit die Druckeinrii litung iiher < 11c- gesamte Slicikc /wischen den I ühriingsrollcn Kl und II eine gleichförmige Hreite einhält. Weiterhin ist ein oberes, hori /onlal liegendes Hund 1.1 vorgesehen, cias ül>er Um lcnkiollen 14, 15 und ΙΛ iimlitnli. Diese vier die Druekeinriclitung bildenden Münder 2, ft, 6 und 1.1 bilden über die Streike /wisrheii den kleineren Hill niiigsrolleri 10 und M eine rechteckige (Jiicrschnills loiiii Wenn demnach die Rohre mis uesi häumlem Harz in diese Driickeinrii :hluiig eingeleitet wird, mi terlicRt sie immer einem von den ll-indern 2, Λ, ft und 1.1 ausgeübten IJriitk und behält die obige, fl.u i.gc driiekte Form bei, deren Umfangslinic annähernd rechteckig ist. Die (Juerschnillsgiölle der Diuckeiri iicbtung kann durch Andern der Lage dieser vier Händer frei variiert werden.uirfl) extends si < h a l-'iihiungsplaltc 12. with it the pressure setting <11c- entire slicikc / wipe the ring rolls K1 and II have a uniform shape Hreite observes. Furthermore, there is an upper, hori / onlal lying dog 1.1 intended, cias ül> er Um lcnkiollen 14, 15 and ΙΛ iimlitnli. These four die Pressure device forming mouths 2, ft, 6 and 1.1 form the smaller hill over the strikes / wisrheii niiigsrolleri 10 and M a rectangular (Jiicrschnills loiiii If accordingly the pipes mis uesi häumlem Resin is successfully introduced into this pressure unit She always tells one of the ll-indians 2, Λ, ft and 1.1 exercised IJriitk and retains the above, fl.u i.gc It has a third shape, the circumferential line of which is approximately rectangular. The (Juerschnillsgiölle of the Diuckeiri Exercise can be done by changing the location of these four Can be varied freely by hand.
Ls ist demnach mit ein und derselben Anlage ohne weiteres möglich, röhrenförmige (icgcnstäiide unter si hiedlichcr (iröftc aus geschäumtem Mar/ her/iisiel Ie n.It is therefore easily possible with one and the same system, tubular (icgcnstäiide under si hiedigercr (iröftc made of foamed mar / her / iisiel Ie n.
Uu durch die Drin keinriihtiing gebildete Drink strecke ist üblicherweise e'wa (1.1S bis K in lang. Die Diiiihlaufgcschwindigkeit in dieser Deckeinrichtung betr.igt etwa I bis ID rn ininThe drink range formed by the unrestricted inside is usually e'wa (1. 1 S to K in long. The running speed in this deck device is about 1 to ID rn in
'iegeniiber Her rrslen Ausfiihi ungsloiin, IxH iler die Diuckeinrii hluiig ;hjs vier Haridern gebildet wird, zcigin die I i g.4 bis 7 eine /weil· Ausführungsiümi, bei der eine KdIk- 20 vorgesehen ist, in deren Um lang eine Nut ausgesoatt ist. sowie ein endloses Hand 21, das in der Nut gclühit ist I alls erfordeilich, können I ührungsrollcri 22. 21 und 24 vorgesehen werden. Die Nut in der Kolli 21) hai eine Hreile die im wesentlichen gleich der Seiienbreite der Ouer silinilislorm der flachgediiiikteii Hahn naili I ig Ie ist. Damit man Röhren mit verschiedenen Durchmessern und Wandstärken herstellen kann, sollte vorzugsweise (!ic Nut in i'ei Rolle 2(1 durch eine geeignete Linrichtung in der Hieile verstellbar sein. Wie bei der ersUri Ausliilmingsfonn vvir<l die /iisaninien gerollte Hahn t, dcicn l.iingsseileiidachen dun h die Ik'i/unrichtung 18 i-rwäimt wurden, /wischen die Hoi!enfliiche dei Nut in der Rolle 20 und das endlose Dim kbiin'J 21 gefiihil Wählend man die erwärmten'iegeniiber Her rrslen Ausfiihi ungsloiin, IXH Iler the Diuckeinrii hluiig; hjs four Haridern is formed which I i g.4 zcigin a / · because Ausführungsiümi is provided in which a KdIk- 20-7, in the order long ausgesoatt a groove is. as well as an endless hand 21 which is locked in the groove - all necessary - guide rollers 22, 21 and 24 can be provided. The groove in the package 21) has a ring which is essentially equal to the width of the Ouer silinilislorm of the Flachgediiiikteii Hahn naili I ig Ie. In order to be able to manufacture tubes with different diameters and wall thicknesses, it should preferably be possible to adjust the groove in roller 2 (1 by means of a suitable line direction. The l.silingsseileiidachen the Ik'i / device 18 i-rwäimt, / wipe the surface of the groove in the roller 20 and the endless dim kbiin'J 21 while choosing the warmed up
Seilenfhii hen der Hahn abkühlen liißl, damit sie vviih lend ihies Diuchhuils dutch die Dnickcinrichliin, (es| iniieinaiider verbunden tilcilicn, behält die er wärmte Hahn die Nachgedrückte Ι·'οπη bei. Hein V ei lassen der Diuekeinrieliluiig. dehnt sich die flach gcdiiicklc Hahn auf (iriiud der I lasliziliit des ge schiiiimteii Materials von selbst iiiin, so dal.< man ein Köhie mit kreisförmigem (Jucrschnilt erhält. Di l· ig. .S,f) und 7 sind (Juerschriittsansichtcn längs ile Linien VV, Vl Vl bzw. VII-VII der Hg. 4, die du verschiedenen Lornien /eigen, die die Hahn vvähieni ihies Durchlaiils durch die Druckeinrichtung an nimmt. Die Hcziigs/eichen der I1Ig..^ bis 7 sind di gleichen wie ()ie in I· i g 4.The tap lets the tap cool down with the rope, so that it can vviih lend ihies Diuchhuils dutch the Dnickcinrichliin, (it | iniieinaiider connected tilcilicn, the heated tap keeps the pressed Ι · 'οπη at on (iriiud the lazliziliit des schiiiimteii material by itself, so that <one obtains a hollow with circular (Jucrschnilt. Di lig. .S, f) and 7 are (Juerschriittsansichtcn along lines VV, Vl Vl and VII-VII of ed. 4, which you have different lornies / which the Hahn vvähieni ihies passage through the printing device accepts. The letters of I 1 Ig .. ^ to 7 are the same as () ie in I. · Ig 4.
Hei der ersten Ausfühliingsfoiui wird /vvai eirn Druikwalze IV verwendet, jedoch ist eine Vorrich lung ohne eine solche Druckwalze, bei der eine Heiz einrichtung IH iinsi hlieUend an die l-ormcinrichtuiij 17 vor/'( seheii ist. auf die die Druckeinrichlung foli-t für die Herstellung von Röhren aus geschäumten thermoplastischem Harz vollkommen ausreit hend Die /weile Ausfühiungsform zeigt einen solchen lull in dem keine Druckwalze 19 verwendet wird. Du Diuekwalze 19 hai die l'unktion, eine /iigspiirmunj iiiif die Hahn aus/uiiben, um deren Lüngsscilcndä ι.hen gegeiieinandeizddrücken, und sie cilcichtci den Heliieb, wenn sie zwischen der loinieinrichliini 17 Ulli.1 dei DruiLemiiclilung wie bei der crsiei Ausfiihiuiigsidiin dargestellt angeordnet wildIn the first embodiment, a printing roller IV is used, but a device is without such a printing roller, in which a heating device IH is provided in connection with the ormcinrichtuiij 17 / '(see. On which the printing device is foiled for the production of tubes made of foamed thermoplastic resin completely expanding The present embodiment shows such a lull in which no pressure roller 19 is used ι.hen against each other, and they cilcichtci the heliieb when they are wildly arranged between the loinieinrichliini 17 Ulli. 1 dei DruiLemiiclilung as shown in the crsiei Ausfiihiuiigsidiin
Die crfiiuliiiigsgcniiil.t dargestellten Röhren könnet auf einer Reihe von Anwendungsgebieten vorteilhal Verwendung linden Sie haben ein glattes und gleich mäßiges Aussehen und sind bezüglich der Wiirmeisn lierung hervoriagend Versuche in bezug auf das /u sainmenliaften der verbundenen I.ängsscilcnfliu hei einer g( niäll der Lrfindung hergestellten Rölue zii gen. dall sich die verbundenen I üngsseileiiflächei nicht voneinandei losen, wenn man versucht, und ι Krallcinwitkung die verbundenen Mächen voneinan der zu trennen. Die anderen 'teile der Röhre reuter bzw brechen unter Hikliing einer frischen Hiucli Ilache zuerst, was beweist, daß die Verbindung dei Längsseitenflächen weit stärker ist als die I estigkei des geschäumten Heizmaterials selbst.The crfiiuliiiigsgcniiil.t illustrated tubes can on a number of application areas beneficial use linden you have a smooth and equal moderate appearance and are wiirmisn excellent experiments with regard to the main features of the connected longitudinal flow One of the rolls produced after the invention gen. that the connected rope surface area do not separate from each other if one tries and ι Krallin alarm the connected girls from one another to separate. The other 'parts of the tube reuter or break under Hikliing a fresh Hiucli I laugh first, which proves that the connection is the Long side surfaces is far stronger than the strength of the foamed heating material itself.
Hierzu I HIaII 7.ei( hnunccnFor this I HIaII 7.ei (hnunccn
Claims (1)
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Application Number | Priority Date | Filing Date | Title |
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JP1941268 | 1968-03-27 | ||
JP5810468 | 1968-08-16 | ||
JP8439868 | 1968-09-30 | ||
JP9612768 | 1968-12-28 |
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DE1915768A1 DE1915768A1 (en) | 1969-11-13 |
DE1915768B2 DE1915768B2 (en) | 1973-06-07 |
DE1915768C3 true DE1915768C3 (en) | 1974-02-07 |
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DE1915768A Expired DE1915768C3 (en) | 1968-03-27 | 1969-03-27 | A method and apparatus for continuously manufacturing a tubular article from a sheet of foamed thermoplastic resin |
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Cited By (1)
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EP0076929A1 (en) * | 1981-10-10 | 1983-04-20 | Hüls Troisdorf Aktiengesellschaft | Method of and apparatus for manufacturing a foam tube having a fastener |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4922557Y1 (en) * | 1970-03-09 | 1974-06-17 | ||
DE2532406C3 (en) * | 1975-07-19 | 1980-04-10 | Dynamit Nobel Ag, 5210 Troisdorf | Method and apparatus for the continuous production of a pipe from a web of a thermoplastic foam |
DE2654879C2 (en) * | 1976-12-03 | 1982-11-11 | Dynamit Nobel Ag, 5210 Troisdorf | Process for the continuous production of a pipe provided with an insulating sleeve made of foam plastic |
DE3363459D1 (en) * | 1982-02-26 | 1986-06-19 | Dynamit Nobel Ag | Method and device for the production of multi-layer insulating tubes of foamed plastic strips |
DE3318082A1 (en) * | 1983-05-18 | 1984-11-22 | Dynamit Nobel Ag, 5210 Troisdorf | METHOD AND DEVICE FOR PRODUCING A TUBE PROVIDED WITH AN INSULATING COVER FROM FOAM |
ATE141206T1 (en) * | 1989-10-13 | 1996-08-15 | Illbruck Prod | METHOD FOR PRODUCING FLAME-RESISTANT POLYIMIDE FOAM INSULATION AND THE INSULATION THEREFORE PRODUCED |
DE19807411B4 (en) * | 1998-02-21 | 2007-04-26 | Volkswagen Ag | Air flow channel for a ventilation device of a motor vehicle |
FR2800664A1 (en) * | 1999-11-05 | 2001-05-11 | Alphacan Sa | Economical, installer-friendly sheathing of copper pipes with insulating foam is carried out by continuous longitudinal wrapping and edge-adhesion under slight pressure |
FR2800665B1 (en) * | 1999-11-05 | 2002-08-30 | Alphacan Sa | METHOD FOR SURROUNDING AN ELEMENT WITH A FOAM LAYER, FOAM ENVELOPE, TUBULAR COMPLEX WITH THE SAME, AND CROWN THEREOF |
-
1969
- 1969-03-27 DE DE1915768A patent/DE1915768C3/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0076929A1 (en) * | 1981-10-10 | 1983-04-20 | Hüls Troisdorf Aktiengesellschaft | Method of and apparatus for manufacturing a foam tube having a fastener |
Also Published As
Publication number | Publication date |
---|---|
DE1915768B2 (en) | 1973-06-07 |
DE1915768A1 (en) | 1969-11-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
SH | Request for examination between 03.10.1968 and 22.04.1971 | ||
C3 | Grant after two publication steps (3rd publication) | ||
E77 | Valid patent as to the heymanns-index 1977 | ||
8339 | Ceased/non-payment of the annual fee |