EP1661974B1 - Procédé pour la fabrication des bougies - Google Patents

Procédé pour la fabrication des bougies Download PDF

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Publication number
EP1661974B1
EP1661974B1 EP05018630A EP05018630A EP1661974B1 EP 1661974 B1 EP1661974 B1 EP 1661974B1 EP 05018630 A EP05018630 A EP 05018630A EP 05018630 A EP05018630 A EP 05018630A EP 1661974 B1 EP1661974 B1 EP 1661974B1
Authority
EP
European Patent Office
Prior art keywords
twin
screw extruder
wax material
wax
supplied
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.)
Not-in-force
Application number
EP05018630A
Other languages
German (de)
English (en)
Other versions
EP1661974A1 (fr
Inventor
Dieter Thewes
Heinrich Lohmann
Stefan Feige
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.)
Reifenhaeuser GmbH and Co KG Maschinenenfabrik
Original Assignee
Reifenhaeuser GmbH and Co KG Maschinenenfabrik
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 Reifenhaeuser GmbH and Co KG Maschinenenfabrik filed Critical Reifenhaeuser GmbH and Co KG Maschinenenfabrik
Priority to PL05018630T priority Critical patent/PL1661974T3/pl
Priority to SI200530301T priority patent/SI1661974T1/sl
Publication of EP1661974A1 publication Critical patent/EP1661974A1/fr
Application granted granted Critical
Publication of EP1661974B1 publication Critical patent/EP1661974B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11C—FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
    • C11C5/00—Candles
    • C11C5/02—Apparatus for preparation thereof
    • C11C5/026—Apparatus for preparation thereof by a continuous process, e.g. by extrusion by conveying a melt together with the wick through a solidification zone

Definitions

  • the invention relates to a method for producing candles by extrusion of a wax mass and optionally other auxiliaries and additives to rod-shaped blanks, which are subsequently cut to a desired length dimension.
  • wick line run on two drums of about 1.5 m diameter at a distance of 4 to more than 10 m
  • the lower wick section is passed through a wax bath, cooled in the upper return, in turn wax absorbs, until the desired strand thickness is reached.
  • the finished candle string is then supplied via a trigger device of a cutting device for denomination in the desired candle length, with continuous driving performance of more than 10,000 candles per hour can be achieved.
  • the wax mixture is pressed in powder, chip or granular form in an extruder with the wick to an endless strand and then cut to length or the granules are press-formed in Mehrfachformstkovpressen around the wick introduced with pipe needles.
  • the pressed blanks can be processed immediately without cooling. Even with these methods, very high numbers per hour can be achieved.
  • ram extrusion which, for example, from GB 702,471 A is known and in which the wax mixture is melted by means of an extrusion device and subsequently ejected by means of a piston and pressed to the candle blanks, which is subsequently brought by cutting and machining the two ends by turning and milling in the desired candle shape.
  • DE 1467715 discloses a method of making candle stems by double-spindle extrusion.
  • the present invention has therefore set itself the task of developing a method for producing candles by extruding a wax composition and optionally other auxiliaries and additives to rod-shaped blanks to the effect that candles are obtained with optimum density in large quantities and also production changes, such as color changes can be accomplished within a very short time.
  • twin screw extruder used in accordance with the invention with co-rotating screws is known per se and has hitherto been used mainly for the extrusion of thermoplastics which are plasticized and homogeneously mixed at temperatures of about 140 to 300 ° C depending on the raw material used within the extruder and subsequently a processing tool be supplied under high pressure.
  • twin-screw extruder with co-rotating screws in accordance with the invention also suitable for the production of rod-shaped candle blanks from a wax composition and optionally other auxiliaries and additives by operating this twin-screw extruder adapted to the wax mass low temperature level, preferably at a temperature of up to 50 ° C, which is already sufficient to melt the supplied liquid and / or pasty and / or solid wax mass homogeneously.
  • the wax melt can be tempered to an optimum melt temperature of, for example, about 30 to 45 ° C.
  • twin screw extruder and optionally cooled before it passes from the twin screw extruder into a downstream orifice die with outlet opening and from there under a pressure generated by the twin-screw extruder, for example 5 to 15 bar extruded as a rod-shaped strand from the outlet opening, subsequently cooled and cut to desired sections.
  • a pressure generated by the twin-screw extruder for example 5 to 15 bar extruded as a rod-shaped strand from the outlet opening, subsequently cooled and cut to desired sections.
  • the colorants and / or odorous substances optionally added to the wax composition in granular or powder form are fed to the twin-screw extruder and fed into the wax mass in a region of the twin-screw extruder in which the latter has already been melted. Since at the time of feeding the present in granular or powder form colorants and / or odors wax mass is already completely melted, a particularly homogeneous distribution of colorants and / or odors is achieved, so that the amounts to be added to color and / or odorous substances can be reduced to a minimum, which brings further cost advantages.
  • the wax composition used to make the candles and supplied to the twin-screw extruder may contain stearin, preferably 10 to 20 wt% stearin, and more preferably about 15 wt% stearin.
  • the wax mass itself can be formed in a manner known per se from a wax semolina, d. H. it is in a solid phase.
  • the twin-screw extruder with screws rotating in the same direction can also be provided with a screw Wax mass to be supplied, which has mushy consistency, ie there are both liquid, pasty as well as solid phases of the wax before.
  • a screw Wax mass to be supplied which has mushy consistency, ie there are both liquid, pasty as well as solid phases of the wax before.
  • the twin-screw extruder 1 has a cylinder 10 which can be temperature-controlled to desired temperatures by means of heating and cooling elements, in which two screws oriented parallel to one another are arranged in the same direction in a known manner, the rotation of the screws being controlled by a drive motor 13 and an intermediate gear 12 is effected.
  • a directly driven twin-screw extruder 1 with drive motor 13, which manages without an intermediate gear 12.
  • the cylinder 10 has an inlet opening 11 and an outlet end 14 for the from the filling opening 11 through the cylinder 10 by means of twin screws funded material on.
  • the processing tool here an aperture tool 2 connected to an outlet opening 20 for the extruded candle blanks, leaving the aperture tool 2 via the outlet opening 20 in the direction of arrow A.
  • a wax mass e.g. containing 10 to 20 wt .-% stearin, preferably about 15 wt .-% fed via a metering device 3 of the filling opening 11 of the cylinder 10, said wax composition preferably having a mushy consistency, d. H.
  • a wax mass e.g. containing 10 to 20 wt .-% stearin, preferably about 15 wt .-% fed via a metering device 3 of the filling opening 11 of the cylinder 10
  • said wax composition preferably having a mushy consistency, d. H.
  • there are solid, pasty and liquid phases of the wax mass At the same time there are solid, pasty and liquid phases of the wax mass.
  • this wax mass is forcibly conveyed starting from the filling opening 11 in the direction of the outlet end 14, wherein the wax mass during the passage through a first longitudinal section of the cylinder 10, which is marked with L1 , Is heated by appropriate temperature control of the cylinder walls and the shearing action of the screw to a melt temperature of up to 50 ° C and mixed, so that at the end of the longitudinal section L1 is a homogeneous wax melt.
  • the drive motor has a capacity of 110 kW.
  • a wax mass containing 15% by weight of stearin was used, which had a mushy consistency with coexisting liquid and solid phases.
  • the cylinder 10 of the twin-screw extruder 1 was heated to 30 ° C and it was used a likewise tempered to 30 ° C aperture tool with the dimensions 30 x 25 mm (dx I).
  • the supplied wax mass was brought at a screw speed of 30 min -1 and an applied torque of 1000 Nm to a melt temperature of 39 ° C and a melt pressure of 7 bar, wherein 3% by weight of dyes and odorous substances, in each case based on 100% by weight wax mass, were added to the already melted wax mass inside the cylinder.
  • candle blanks of a density of 0.83 g / cm 3 were obtained at a rate of 73 kg / h.
  • the bar-shaped blanks obtained were of such a quality that the direct processing into candles was made possible, so that with commercial twin-screw extruders with co-rotating screws mathematical mass throughputs of up to 650 kg / h and more appear possible.

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Fats And Perfumes (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Claims (10)

  1. Procédé pour la fabrication de bougies par extrusion d'une masse de cire et le cas échéant d'autres adjuvants et additifs en ébauches en forme de barre qui sont ensuite coupées à la dimension en longueur souhaitée, caractérisé en ce que la masse de cire en phase liquide et / ou pâteuse et / ou solide ainsi que le cas échéant des substances colorantes et / ou des substances odorantes sont fondues dans une extrudeuse à double vis comprenant des vis tournant dans le même sens et est transportée en étant mélangée de manière homogène dans un outil mélangeur en aval avec ouverture de sortie et est extrudée en boudin en forme de barre de l'ouverture de sortie, est ensuite refroidie et est coupée en sections souhaitées.
  2. Procédé selon la revendication 1, caractérisé en ce que les substances colorantes et / ou odorantes sont chargées en une quantité à chaque fois de 0 à 10 % en poids par rapport à 100 % en poids de la masse de cire.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que la masse de cire ainsi que le cas échéant les substances colorantes et odorantes chargées sont fondues dans l'extrudeuse à double vis à une température allant jusqu'à 50°C.
  4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que la masse de cire ainsi que le cas échéant les substances colorantes et odorantes chargées, après avoir été fondues dans l'extrudeuse à double vis, sont refroidies à une température de masse de 30 à 45° C avant de sortir de l'extrudeuse à double vis.
  5. Procédé selon l'une des revendications 1 à 4, caractérisé en ce que la masse de cire ainsi que le cas échéant les substances colorantes et odorantes chargées sont extrudées de l'ouverture de sortie sous une pression de 5 à 15 bar.
  6. Procédé selon l'une des revendications 1 à 5, caractérisé en ce que les substances colorantes et odorantes sont chargées dans l'extrudeuse à double vis sous forme de granulat ou de poudre et sont introduites dans une région de l'extrudeuse à double vis dans laquelle la masse de cire est déjà fondue.
  7. Procédé selon l'une des revendications 1 à 6, caractérisé en ce que la masse de cire contient de 10 à 20 % en poids de stéarine.
  8. Procédé selon l'une des revendications 1 à 7, caractérisé en ce que la masse de cire est chargée dans l'extrudeuse à double vis sous forme pâteuse avec une phase solide et liquide présentes simultanément.
  9. Procédé selon l'une des revendications 1 à 8, caractérisé en ce que les ébauches extrudées présente un poids spécifique de 0,8 à 0,85 g / cm3.
  10. Utilisation d'une extrudeuse à double vis comprenant des vis tournant dans le même sens pour la fabrication d'ébauches de bougie en forme de barre à partir d'une masse de cire et le cas échéant d'autres adjuvants et additifs.
EP05018630A 2004-08-27 2005-08-26 Procédé pour la fabrication des bougies Not-in-force EP1661974B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL05018630T PL1661974T3 (pl) 2004-08-27 2005-08-26 Sposób wytwarzania świec
SI200530301T SI1661974T1 (sl) 2004-08-27 2005-08-26 Postopek izdelave sveč

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004041473 2004-08-27

Publications (2)

Publication Number Publication Date
EP1661974A1 EP1661974A1 (fr) 2006-05-31
EP1661974B1 true EP1661974B1 (fr) 2008-05-14

Family

ID=35976771

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05018630A Not-in-force EP1661974B1 (fr) 2004-08-27 2005-08-26 Procédé pour la fabrication des bougies

Country Status (5)

Country Link
EP (1) EP1661974B1 (fr)
AT (1) ATE395400T1 (fr)
DE (1) DE502005004100D1 (fr)
PL (1) PL1661974T3 (fr)
SI (1) SI1661974T1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006004663B4 (de) * 2006-01-31 2008-10-02 Reifenhäuser GmbH & Co. KG Maschinenfabrik Verfahren zum Herstellen von Kerzen
US10342886B2 (en) * 2016-01-26 2019-07-09 S.C. Johnson & Son, Inc. Extruded wax melt and method of producing same
US10010638B2 (en) 2016-06-14 2018-07-03 S. C. Johnson & Son, Inc. Wax melt with filler

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1467715C3 (de) * 1964-09-16 1973-10-11 Walter 7070 Schwaebisch Gmuend Koepsell Verfahren zur Herstellung von Form korpern aus zerkleinertem Paraffin, Ceresin, Wachs oder einem ahnlichen Stoff
JPS5311970B2 (fr) * 1973-11-24 1978-04-26
EP1454733A1 (fr) * 2003-02-01 2004-09-08 Reifenhäuser GmbH & Co. Maschinenfabrik Dispositif d'extrusion

Also Published As

Publication number Publication date
DE502005004100D1 (de) 2008-06-26
SI1661974T1 (sl) 2008-10-31
ATE395400T1 (de) 2008-05-15
EP1661974A1 (fr) 2006-05-31
PL1661974T3 (pl) 2008-10-31

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