WO2013060425A2 - Procédé pour réaliser un récipient soufflé - Google Patents

Procédé pour réaliser un récipient soufflé Download PDF

Info

Publication number
WO2013060425A2
WO2013060425A2 PCT/EP2012/004315 EP2012004315W WO2013060425A2 WO 2013060425 A2 WO2013060425 A2 WO 2013060425A2 EP 2012004315 W EP2012004315 W EP 2012004315W WO 2013060425 A2 WO2013060425 A2 WO 2013060425A2
Authority
WO
WIPO (PCT)
Prior art keywords
container
blow
polyolefin
mandrel
heating
Prior art date
Application number
PCT/EP2012/004315
Other languages
German (de)
English (en)
Other versions
WO2013060425A3 (fr
Inventor
Thomas Jakob
Norbert Honheiser
Thomas Lanzl
Heiko RUHL
Original Assignee
Rehau Ag + Co
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 Rehau Ag + Co filed Critical Rehau Ag + Co
Publication of WO2013060425A2 publication Critical patent/WO2013060425A2/fr
Publication of WO2013060425A3 publication Critical patent/WO2013060425A3/fr

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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/58—Blowing 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/0005—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor characterised by the material
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C2035/0211—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould resistance heating
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/0811—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using induction
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/16—Cooling
    • B29C2035/1616—Cooling using liquids
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/16—Cooling
    • B29C2035/1658—Cooling using gas
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/48—Moulds
    • B29C49/4823—Moulds with incorporated heating or cooling means
    • B29C2049/4838—Moulds with incorporated heating or cooling means for heating moulds or mould parts
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/78—Measuring, controlling or regulating
    • B29C49/786—Temperature
    • B29C2049/7864—Temperature of the mould
    • B29C2049/78645—Temperature of the mould characterised by temperature values or ranges
    • 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
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/001—Shaping in several steps
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
    • B29C49/04—Extrusion blow-moulding
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/08—Biaxial stretching during blow-moulding
    • B29C49/085—Biaxial stretching during blow-moulding without pre-stretching, e.g. simple blowing step
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/64—Heating or cooling preforms, parisons or blown articles
    • B29C49/6409—Thermal conditioning of preforms
    • B29C49/6436—Thermal conditioning of preforms characterised by temperature differential
    • B29C49/6445—Thermal conditioning of preforms characterised by temperature differential through the preform length
    • B29C49/6452—Thermal conditioning of preforms characterised by temperature differential through the preform length by heating the neck
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/64—Heating or cooling preforms, parisons or blown articles
    • B29C49/6409—Thermal conditioning of preforms
    • B29C49/6463—Thermal conditioning of preforms by contact heating or cooling, e.g. mandrels or cores specially adapted for heating or cooling preforms
    • B29C49/6464—Heating
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/64—Heating or cooling preforms, parisons or blown articles
    • B29C49/6409—Thermal conditioning of preforms
    • B29C49/6463—Thermal conditioning of preforms by contact heating or cooling, e.g. mandrels or cores specially adapted for heating or cooling preforms
    • B29C49/6465—Cooling
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/64—Heating or cooling preforms, parisons or blown articles
    • B29C49/6409—Thermal conditioning of preforms
    • B29C49/6463—Thermal conditioning of preforms by contact heating or cooling, e.g. mandrels or cores specially adapted for heating or cooling preforms
    • B29C49/6466—Thermal conditioning of preforms by contact heating or cooling, e.g. mandrels or cores specially adapted for heating or cooling preforms on the inside
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7154—Barrels, drums, tuns, vats
    • B29L2031/7156—Pressure vessels

Definitions

  • the invention relates to a method for producing a blow molded container, wherein the at least one opening having wall of the container using a polyolefin, preferably polyethylene, is prepared, and wherein the polyolefin is crosslinked during the manufacturing process.
  • a polyolefin preferably polyethylene
  • the container is used in particular for storing hydrogen under high pressure in a motor vehicle in order to provide fuel for a fuel cell system.
  • Crosslinked polyethylene is characterized by a high thermal and high mechanical strength.
  • the crosslinking of polyethylene is usually carried out with the supply of heat over a longer period of time, for example 180 ° C to 280 ° C over a period of 2 to 15 min. It is important that in this case a homogeneous networking of the container takes place, since only this way a nationwide high mechanical and thermal capacity of the container is achieved, which is essential for the safe operation of the container - especially when storing hydrogen under high pressure. It should be noted, for example, that it can come during the fastest possible refueling operation of the container with hydrogen to a significant increase in the temperature in the container due to the insertion work done, which of course must not lead to damage to the container. Crosslinked polyethylene can lastingly withstand relatively high temperatures without causing any damage.
  • the invention has for its object to provide a method for producing a blow-molded container having the characteristics described above, which ensures a uniform and sufficiently high in all areas of the container wall crosslinking of the polyolefin.
  • the object is achieved by a method for producing a blow-molded container, wherein the at least one opening having wall of the container using a polyolefin, preferably polyethylene, is prepared, - wherein the polyolefin is crosslinked during the manufacturing process, wherein the shaping of the Container is a mandrel is used, which passes through the opening, and - wherein the mandrel is heated in such a way that thereby a sufficient cross-linking of the polyolefin is ensured in the region of the opening.
  • a method for producing a blow-molded container wherein the at least one opening having wall of the container using a polyolefin, preferably polyethylene, is prepared, - wherein the polyolefin is crosslinked during the manufacturing process, wherein the shaping of the Container is a mandrel is used, which passes through the opening, and - wherein the mandrel is heated in such a way that thereby a sufficient cross-linking of the polyolefin is ensured in the region
  • Blow mandrels are usually cooled during a blow molding process in order to achieve the fastest possible cooling and thus solidification of the article produced by the blow molding process.
  • the teaching according to the invention now proceeds exactly the opposite way in that the mandrel is not cooled, but instead is heated. This has the result according to the invention that even in the immediate region of the mandrel, which is due to the fact that it is at least partially outside the area enclosed by the blow mold of the container, poorly or not networked.
  • a sufficiently high cross-linking of the polyethylene also takes place in the region of the container opening, so that an at least substantially homogeneous cross-linking of the entire container wall is thereby ensured.
  • the heating of the mandrel can be done in different ways.
  • the heating can be effected electrically and / or by means of a hot fluid (eg oil) and / or inductively.
  • the electric heating in this case has the particular advantage that it allows a very targeted heat input and beyond the handling of very hot process media for heating the mandrel is avoided in this way.
  • the mandrel may in this context, for example, have a corresponding heating sleeve, which can be integrated, for example, in the mandrel.
  • the heating takes place such that the container in the region of the opening to above 150 ° C, e.g. 180 ° C to 280 ° C is heated.
  • the corresponding opening area of the container may be maintained for a period of at least 2 minutes or at least 5 minutes, e.g. 5 to 15 minutes, expediently 8 to 12 minutes, heated.
  • the container produced according to the invention can be used in particular as a high-pressure accumulator for hydrogen.
  • the container must generally endure pressures of more than 500 bar, for example, about 700 bar.
  • Such containers are used in particular as hydrogen tanks for motor vehicles, with the contents of a fuel cell system is used in the vehicle for driving.
  • the polyolefin can be crosslinked peroxide or silane or by the action of radiation energy.
  • the degree of crosslinking of the polyolefin is suitably from 5 to 95%, preferably from 15 to 90%, particularly preferably from 50 to 85%.
  • the degree of crosslinking is characterized by the ratio of the carbon atoms which have undergone crosslinking in relation to the total number of carbon atoms.
  • Particularly preferred is the peroxide crosslinking of polyethylene, is formed in the so-called. PE-Xa, wherein the crosslinking of the polyethylene takes place under elevated temperature by free radical-forming peroxides.
  • Blowable polyethylene is used to carry out the aforementioned method.
  • a corresponding low-viscosity polyethylene is selected, wherein the MFI is advantageously 0.1 to 2 g / 10 min at 190 ° C, load 2.16 kg.
  • the density of the polyethylene is suitably 0.93 to 0.965 g / cm 3 , preferably 0.948 to 0.960 g / cm 3 .
  • a polyethylene copolymer can also be used for blowing, preferably a comonomer of a polyolefin based on a C3 to C8 block.
  • organic peroxides are used which have a typical crosslinking temperature of more than 70 ° C. Particularly preferred are those which have a crosslinking temperature of more than 175.degree. In this way, a particularly uniform and high-grade crosslinking of the polyolefin is achieved.
  • polystyrene resin e.g. phenolic antioxidants
  • processing aids such as lubricants
  • crosslinking enhancers such as TAC (triallyl cyanurate) and / or TAIC (triallyl isocyanurate) and / or trimethylolpropane trimethacrylate and / or divinylbenzene and / or diallyl terephthalate and / or triallyl trimellitate and / or triallyl phosphate, for example in concentrations of 0.2 to 2.0%.
  • the container is preferably provided with a reinforcement after crosslinking.
  • the reinforcing layer increases the mechanical stability of the container and may be wound and / or braided.
  • the reinforcing layer of filaments, in particular threads and / or fibers, constructed.
  • materials for the reinforcing layer carbon and / or aramid and / or metal and / or boron and / or minerals (eg glass) and / or silicate materials and / or alumina and / or high-tenacity and high-temperature-resistant polymer materials can be used.
  • the invention further relates to a blow molded container according to claim 9 and a blow mandrel for carrying out the method according to claim 10.
  • the blow mandrel has - as already explained - expediently an electric heater, which is preferably arranged within the mandrel.
  • the temperature of the mandrel in the heated area can be detected and monitored or regulated, for example, by means of a thermocouple.
  • the heating is expediently set up in such a way that temperatures of not more than 320 ° C., in particular not more than 280 ° C., are reached when carrying out the process according to the invention.
  • the heater may have a resistance heating wire. This can e.g. in the front shaft area of the mandrel to be wound around the compressed air duct of the mandrel.
  • FIG. 1 shows a representation of a container produced by a method according to the invention
  • FIG. 3 shows a blowing mandrel for carrying out the method according to the invention.
  • FIG. 1 shows a high-pressure container 1 produced by a method according to the invention for storing hydrogen 2 in a motor vehicle (not shown).
  • This is a blow-molded, an opening 3 having container 1, which was prepared using polyethylene.
  • the container 1 has a plurality of layers 4, 5.
  • the inner layer is the container wall 4 produced by the blow molding process, which is made of crosslinked! Polyethylene exists.
  • This layer 4 is surrounded on the outside by a reinforcing layer 5, which increases the mechanical stability of the container 1.
  • it is a braided layer, for example made of carbon fibers.
  • a special braiding technique is used, which differs from the braiding technique, which is applied at other points of the container 1 (eg in the cylindrical shell region of the container 1).
  • This special braiding technique serves to increase the overall strength of the container 1.
  • the container 1 has in the region of the opening 3 a degree of crosslinking of the polyethylene which is at least substantially identical to the degree of crosslinking in the remaining wall region of the container 1.
  • a valve connection element not shown in detail is usually attached to the container 1, via which the filling and the removal of the hydrogen 2 takes place.
  • FIGS. 2a to 2c The inventive method for producing the blow-molded container 1 according to FIG. 1 is shown in FIGS. 2a to 2c.
  • the opening 4 having the wall 4 of the container 1 is prepared using polyethylene, wherein the polyethylene is crosslinked during the manufacturing process by supplying heat.
  • a blowing mandrel 6 is used, which is retracted into a so-called. Blasvorformling 4 '(which forms the later wall 4). Then the mandrel 6 is pressurized with compressed air 7 and the preform 4 inflates in a balloon-like manner (FIG. 2 b). Subsequently, tool halves 8 move toward a blow molding machine 9 and give the preform 4 its final contour.
  • the addition of heat Q which ensures a homogeneous cross-linking of the wall 4 (additional methods for heating the wall 4, eg outside the tool halves 8, are not excluded).
  • the mandrel 6 itself is additionally heated (Q ⁇ s, Fig. 2c).
  • An alternative heating of the mandrel 6 from the outside is also within the scope of the invention.
  • the heating takes place electrically, wherein the heating to a heating of the container 1 in the region of the opening 3 above 150 ° C, for example 180 ° C to 280 ° C, is.
  • this elevated temperature is maintained over a period of at least 2 minutes, for example 2 to 15 minutes, in particular 8 to 12 minutes.
  • the blow molded 4 ' is removed from the blow molding machine 9, resulting waste slugs are removed and then the already described reinforcement of the container 1 is carried out by means of a braiding process.
  • the polyethylene is crosslinked peroxide, wherein a degree of crosslinking of the polyethylene is adjusted from 50 to 85%.
  • FIGS. 2b and 2c it is also within the scope of the invention that first the tool halves 8 close and the preform 4 is then acted upon by compressed air 7 and in this case applies directly to the inner contour of the tool halves.
  • FIG. 3 shows the mandrel 6 for carrying out the method according to the invention according to FIGS. 2a to 2c.
  • the blow preform 4 ' encloses the mandrel 6 in this area, so that the opening area of the blow-molded container 1 can be heated directly by means of the heating device 11.
  • the mandrel 6 has a channel 12 through which the compressed air 7 can flow into the preform 4 '.
  • a thread 13 is provided for attachment thereof to the blow molding machine 9.
  • the compressed air 7 is at a pressure of about 5 to 10 bar, e.g. 7 to 9 bar, introduced through the channel 12 in the preform 4 '.
  • the heater 11 of the mandrel 6 has a (not shown) kausSchdraht, which is wound around the channel 12 for the compressed air 7.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

La présente invention concerne un procédé pour réaliser un récipient soufflé, la paroi du récipient, qui présente au moins une ouverture, étant réalisée par utilisation d'une polyoléfine, de préférence de polyéthylène. La polyoléfine est réticulée au cours du processus de réalisation. Pour donner sa forme au récipient, on fait appel à un poinçon de soufflage qui traverse l'ouverture. Le poinçon de soufflage est chauffé de sorte qu'une réticulation suffisante du polyéthylène est assurée dans la zone de l'ouverture. L'invention a également pour objet un récipient réalisé au moyen du procédé selon l'invention, ainsi qu'un poinçon de soufflage pour mettre en œuvre le procédé.
PCT/EP2012/004315 2011-10-26 2012-10-16 Procédé pour réaliser un récipient soufflé WO2013060425A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011054815.7 2011-10-26
DE102011054815A DE102011054815A1 (de) 2011-10-26 2011-10-26 Verfahren zur Herstellung eines blasgeformten Behälters

Publications (2)

Publication Number Publication Date
WO2013060425A2 true WO2013060425A2 (fr) 2013-05-02
WO2013060425A3 WO2013060425A3 (fr) 2013-09-12

Family

ID=47049123

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/004315 WO2013060425A2 (fr) 2011-10-26 2012-10-16 Procédé pour réaliser un récipient soufflé

Country Status (2)

Country Link
DE (1) DE102011054815A1 (fr)
WO (1) WO2013060425A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110039746A (zh) * 2019-05-20 2019-07-23 江苏维达机械有限公司 一种芯棒体电加热注吹芯棒

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2223580A1 (de) 1972-05-15 1973-11-29 Messer Griesheim Gmbh Verfahren zur herstellung von kunststoffhohlkoerpern
DE102009025385A1 (de) 2009-06-16 2010-12-23 Rehau Ag + Co. Verfahren zur Herstellung eines Formteils und derart hergestelltes Formteil

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2103219A1 (en) * 1971-01-25 1972-08-10 Dipolith Gmbh Chemie Werkstoff Cross-linked (co) polyethylene hollowware - by blow moulding parison with hot compressed gas in hot mould
US3961113A (en) * 1975-03-03 1976-06-01 Illinois Tool Works Inc. Thermoplastic preform and heated mandrel constructions
US4446084A (en) * 1980-06-09 1984-05-01 Rowley William W Plastic tube coupling and apparatus for forming
CA1151565A (fr) * 1980-10-24 1983-08-09 Georg Nemeskeri Recipient et methode de fabrication connexe
DE3712973A1 (de) * 1987-04-16 1988-11-03 Linder Junkerwerk Verfahren zum herstellen von hohlkoerperformteilen aus schaumstoff
DE3814671A1 (de) * 1988-04-30 1989-11-09 Kabelmetal Electro Gmbh Verfahren und vorrichtung zur herstellung einer waermerueckstellbaren kappe mit mehreren endseitig verschlossenen auslaessen
US20070031624A1 (en) * 2005-08-05 2007-02-08 Brosius Edward S Lined water conduit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2223580A1 (de) 1972-05-15 1973-11-29 Messer Griesheim Gmbh Verfahren zur herstellung von kunststoffhohlkoerpern
DE102009025385A1 (de) 2009-06-16 2010-12-23 Rehau Ag + Co. Verfahren zur Herstellung eines Formteils und derart hergestelltes Formteil

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110039746A (zh) * 2019-05-20 2019-07-23 江苏维达机械有限公司 一种芯棒体电加热注吹芯棒

Also Published As

Publication number Publication date
WO2013060425A3 (fr) 2013-09-12
DE102011054815A1 (de) 2013-05-16

Similar Documents

Publication Publication Date Title
DE60110937T2 (de) Nicht isothermisches verfahren zum herstellen von hohlen verbundteilen
EP3178634B1 (fr) Procédé de fabrication d'un composant en matériau hybride
EP2447051B1 (fr) Procédé de fabrication de profilés renforcés en fibres continues à partir de matières synthétiques thermoplastiques
DE102011120986B4 (de) Spritzgussverfahren zur Fertigung eines Faserverbund-Hohlprofilbauteils
EP2443379B1 (fr) Réservoir destiné à recevoir un fluide
DE102010013131A1 (de) Verfahren zur Herstellung von endlosfaserverstärkten Formteilen aus thermoplastischem Kunststoff sowie Kraftfahrzeugformteil
DE102018126507A1 (de) Hochdrucktank und Herstellungsverfahren für einen Hochdrucktank
DE102009006508A1 (de) Verfahren und Vorrichtung zur Blasformung von Behältern
EP3055120A1 (fr) Procédé et dispositif pour la production d'un récipient rempli de matière de remplissage
DE102010049563A1 (de) Verfahren zum Herstellen einer Drehstabfeder
DE102014215556A1 (de) Druckbehälter sowie Vorrichtung und Verfahren zum Herstellen eines zumindest ein Anschlusselement umfassenden Druckbehälter-Rohlings
DE102008038782A1 (de) Verfahren und Vorrichtung zur Blasformung von Behältern
DE102011014686A1 (de) Herstellung eines Kunststoffkörpers mit Einlegeteil
WO2013060425A2 (fr) Procédé pour réaliser un récipient soufflé
EP3347193B1 (fr) Procédé de fabrication d'une pièce hybride composite fibre matrice et pièce hybride composite fibre matrice
DE102012001229A1 (de) Verfahren und Vorrichtung zur Blasformung von Behältern
DE102020122538A1 (de) Verfahren zum Herstellen eines Tanks
WO2016096093A1 (fr) Pièce profilée comportant plusieurs couches
DE102013215375A1 (de) Verfahren für die Herstellung eines wenigstens abschnittsweise hohlen Strukturbauteils eines Fahrzeugs
WO1997026128A1 (fr) Procede de production d'un corps creux pour pression interieure ou exterieure elevee
DE102018111283B4 (de) Vorrichtung, Verfahren und Verwendung der Vorrichtung zum semikontinuierlichen Blasformen faserverstärkter thermoplastischer Hohlprofile mit einem konstanten oder sich änderndem Querschnitt
DE102018102264B4 (de) Verfahren zum Herstellen eines Kunststoffbauteils sowie Vorrichtung zur Durchführung des Verfahrens
DE102009025385A9 (de) Verfahren zur Herstellung eines Formteils und derart hergestelltes Formteil
EP3233488A1 (fr) Pièce profilée et procédé de fabrication d'une pièce profilée
DE102004012124A1 (de) Verfahren und Vorrichtung zur Blasformung von Behältern

Legal Events

Date Code Title Description
122 Ep: pct application non-entry in european phase

Ref document number: 12775441

Country of ref document: EP

Kind code of ref document: A2