BE881606A - PLANT FOR THE MANUFACTURE OF FLAT PLASTIC PRODUCTS - Google Patents

PLANT FOR THE MANUFACTURE OF FLAT PLASTIC PRODUCTS Download PDF

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Publication number
BE881606A
BE881606A BE2/58396A BE2058396A BE881606A BE 881606 A BE881606 A BE 881606A BE 2/58396 A BE2/58396 A BE 2/58396A BE 2058396 A BE2058396 A BE 2058396A BE 881606 A BE881606 A BE 881606A
Authority
BE
Belgium
Prior art keywords
emi
slot
rolling mill
feed
manufacture
Prior art date
Application number
BE2/58396A
Other languages
French (fr)
Original Assignee
Kleinewefers Kunststoffmasch
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 Kleinewefers Kunststoffmasch filed Critical Kleinewefers Kunststoffmasch
Priority to BE2/58396A priority Critical patent/BE881606A/en
Publication of BE881606A publication Critical patent/BE881606A/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/22Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
    • B29C43/24Calendering
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07Flat, e.g. panels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07Flat, e.g. panels
    • B29C48/08Flat, e.g. panels flexible, e.g. films

Description

       

   <EMI ID=1.1> 

  
 <EMI ID=2.1>   <EMI ID=3.1> 

  
de produit de base, qui dans cette fente -est au préalable, 

  
 <EMI ID=4.1> 

  
 <EMI ID=5.1> 

  
 <EMI ID=6.1> 

  
également être équipe de, deux cylindres. Les cylindres sont

  
 <EMI ID=7.1> 

  
 <EMI ID=8.1> 

  
vitesse relative mutuelle. Des laminoirs usuels de ce genre,

  
 <EMI ID=9.1> 

  
 <EMI ID=10.1>  genre concerne, dont mise, oeuvre s'effectue moyen  <EMI ID=11.1>  

  
 <EMI ID=12.1> 

  
est muni d'un certain nombre d'éléments de guidage destinés

  
 <EMI ID=13.1> 

  
mutuelles appropriées en vue de leur introduction dans

  
le laminoir, fils extrudés sont introduits dans la fente d'alimentation dans une direction pratiquement perpendiculaire à l'axe longitudinal de cette dernière.

  
L'invention se basé sur le fait d'expérience que la fabrication de produits plats à structure parfaitement uniforme sur toute leur largeur n'exige pas absolument la mise en oeuvre d'éléments extrudés dont la longueur corres-

  
 <EMI ID=14.1> 

  
 <EMI ID=15.1> 

  
 <EMI ID=16.1> 

  
l'alimentation du laminoir par la fente, forment par leur aplatissement'et élargissement dans la fente une couche de matière malaxëe de structure homogène et isotrope, qui par son laminage clans le laminoir donne un produit plat de structure parfaitement uniforme sur toute sa longueur et

  
 <EMI ID=17.1> 

  
fait que lesdits fils extrudés servant à l'alimentation du laminoir s'introduisent dans la fente d'alimentation suivant un même plan, dans lequel ils sont parallèles entre  eux et sont aussi équidistants^que possible et en outre perpendiculaires à l' axe longitudinal de ladite fente.

  
La température dès cylindres de laminage et celle  <EMI ID=18.1> 

  
ladite fente doivent être réglées en tout premier lieu <EMI ID=19.1> 

  
 <EMI ID=20.1> 

  
 <EMI ID=21.1> 

  
extradés qui servent à l'alimentation du laminoir par la-

  
 <EMI ID=22.1> 

  
une température qui correspond pratiquement à la tempéra-

  
 <EMI ID=23.1> 

  
d'alimentation dépendent surtout des conditions concernant la conception' et la construction du laminoir, et, dans une

  
 <EMI ID=24.1> 

  
mise en oeuvre. Le diamètre desdits fils d'alimentation pour-

  
 <EMI ID=25.1> 

  
que possible, non inférieur à 3 mm. Le choix du diamètre des fils extrudés servant à l'alimentation du laminoir en

  
 <EMI ID=26.1> 

  
de l'exigence que l'élargissement des fils par aplatissement dans la fente doit permettre la formation d'une couche de matière - plastique bien malaxée et homogénéisée s'étendant sur toute la largeur de la fente: 

  
La distance des éléments de guidage dans le dis. positif d'alimentation est, dans un mode de mise en oeuvre

  
 <EMI ID=27.1> 

  
tance d'alimentation. Ces éléments de guidage pourront être

  
 <EMI ID=28.1> 

  
 <EMI ID=29.1> 

  
à pouvoir osciller l'un par rapport à l'autre avec un

  
 <EMI ID=30.1> 

  
 <EMI ID=31.1> 

  
éléments de guidage seront, le cas échéante des éléments  chauffés. Ils pourront se présenter,- par exemple, sous  <EMI ID=32.1> 

  
 <EMI ID=33.1> 

  
un jeu de rouleaux de pourra être prévu, entre le dispositif d'alimentation et., ladite fente. section des fils extrudés- servant à l'alimentation du laminoir pourrai en principe, être choisie à volonté, mais est circulaire dans la plupart des cas.. 

  
Les caractéristiques de l'invention -ressortiront plus clairement de la description détaillée suivante d'un exemple de mise en oeuvre , donnée sans intention restrictive aucune et illustrée par le dessin annexé, où la figure 1 représente une installation selon loin  vention en élévation latérale, et <EMI ID=34.1> 

  
stallation selon la figure 1. 

  
 <EMI ID=35.1> 

  
l'installation y représentée se compose essentiellement d'un

  
 <EMI ID=36.1> 

  
tif d'alimentation 3 -monté en amont de cette fente 2 et des-

  
 <EMI ID=37.1> 

  
se comportant une- tête d'extrusion 4 avec laquelle coopère une presse à vis 5 ou un autre dispositif de transport ana-

  
 <EMI ID=38.1> 

  
 <EMI ID=39.1> 

  
d'extrusion [pound] présente une pluralité -de filières 6 pour la

  
 <EMI ID=40.1> 

  
 <EMI ID=41.1> 

  
 <EMI ID=42.1> 

  
 <EMI ID=43.1> 

  
 <EMI ID=44.1>  <EMI ID=45.1> 

  
indique que l'ensemble des éléments de guidage 8_ est capable:



   <EMI ID = 1.1>

  
 <EMI ID = 2.1> <EMI ID = 3.1>

  
of basic product, which in this slot -is beforehand,

  
 <EMI ID = 4.1>

  
 <EMI ID = 5.1>

  
 <EMI ID = 6.1>

  
also be equipped with two cylinders. The cylinders are

  
 <EMI ID = 7.1>

  
 <EMI ID = 8.1>

  
mutual relative speed. Usual rolling mills of this kind,

  
 <EMI ID = 9.1>

  
 <EMI ID = 10.1> genre concerns, whose implementation is carried out medium <EMI ID = 11.1>

  
 <EMI ID = 12.1>

  
is provided with a number of guide elements intended

  
 <EMI ID = 13.1>

  
appropriate mutual funds with a view to their introduction into

  
the rolling mill, extruded wires are introduced into the feed slot in a direction practically perpendicular to the longitudinal axis of the latter.

  
The invention is based on the fact of experience that the manufacture of flat products with perfectly uniform structure over their entire width does not absolutely require the use of extruded elements whose length corresponds to

  
 <EMI ID = 14.1>

  
 <EMI ID = 15.1>

  
 <EMI ID = 16.1>

  
the feeding of the rolling mill through the slit, by their flattening and widening in the slit a layer of kneaded material of homogeneous and isotropic structure, which by its rolling in the rolling mill gives a flat product of perfectly uniform structure over its entire length and

  
 <EMI ID = 17.1>

  
the fact that said extruded wires used to feed the rolling mill are introduced into the feed slot along the same plane, in which they are mutually parallel and are as equidistant as possible, and moreover perpendicular to the longitudinal axis of said slot.

  
Temperature from rolling rolls and <EMI ID = 18.1>

  
said slot must be adjusted first <EMI ID = 19.1>

  
 <EMI ID = 20.1>

  
 <EMI ID = 21.1>

  
which are used to feed the rolling mill through the

  
 <EMI ID = 22.1>

  
a temperature which practically corresponds to the temperature

  
 <EMI ID = 23.1>

  
feed depends mainly on the conditions concerning the design and construction of the rolling mill, and, in a

  
 <EMI ID = 24.1>

  
Implementation. The diameter of said supply wires for-

  
 <EMI ID = 25.1>

  
as possible, not less than 3 mm. The choice of the diameter of the extruded wires used to supply the rolling mill with

  
 <EMI ID = 26.1>

  
of the requirement that the widening of the wires by flattening in the slot must allow the formation of a layer of material - well kneaded and homogenized plastic extending over the entire width of the slot:

  
The distance of the guide elements in the dis. positive feeding is, in one mode of implementation

  
 <EMI ID = 27.1>

  
feed tance. These guide elements can be

  
 <EMI ID = 28.1>

  
 <EMI ID = 29.1>

  
to be able to oscillate with respect to each other with a

  
 <EMI ID = 30.1>

  
 <EMI ID = 31.1>

  
guide elements will, if necessary, of the heated elements. They can be presented, - for example, under <EMI ID = 32.1>

  
 <EMI ID = 33.1>

  
a set of rollers may be provided between the feed device and., said slot. section of the extruded wires - used to feed the rolling mill could in principle be chosen at will, but is circular in most cases.

  
The characteristics of the invention will emerge more clearly from the following detailed description of an example of implementation, given without any restrictive intention and illustrated by the appended drawing, in which FIG. 1 represents an installation according to far vention in side elevation, and <EMI ID = 34.1>

  
stallation according to figure 1.

  
 <EMI ID = 35.1>

  
the installation represented there consists essentially of a

  
 <EMI ID = 36.1>

  
supply feed 3 -mounted upstream of this slot 2 and des-

  
 <EMI ID = 37.1>

  
consisting of an extrusion head 4 with which a screw press 5 or another analog transport device cooperates

  
 <EMI ID = 38.1>

  
 <EMI ID = 39.1>

  
extrusion [pound] has a plurality of dies 6 for the

  
 <EMI ID = 40.1>

  
 <EMI ID = 41.1>

  
 <EMI ID = 42.1>

  
 <EMI ID = 43.1>

  
 <EMI ID = 44.1> <EMI ID = 45.1>

  
indicates that all of the guide elements 8_ are capable of:


    

Claims (1)

<EMI ID=46.1> <EMI ID = 46.1> <EMI ID=47.1> <EMI ID = 47.1> <EMI ID=48.1> <EMI ID = 48.1> <EMI ID=49.1> <EMI ID = 49.1> <EMI ID=50.1> <EMI ID = 50.1> <EMI ID=51.1> <EMI ID = 51.1> <EMI ID=52.1> <EMI ID = 52.1> <EMI ID=53.1> <EMI ID = 53.1> de manière que les fils de matière plastique- 7. aplatis dans la fente 2 forment une bande de matière plastique so that the plastic threads 7. flattened in the slot 2 form a strip of plastic material <EMI ID=54.1> <EMI ID = 54.1> longueur de la fente. length of the slot. <EMI ID=55.1> <EMI ID = 55.1> <EMI ID=56.1> <EMI ID = 56.1> <EMI ID=57.1> <EMI ID = 57.1> vinyle, introduite sous forme -de produit extrade, installation comportant un laminoir à fente d'alimentation, un dispositif d'alimentation monté en amont de cette fente et vinyl, introduced in the form of an extruded product, installation comprising a rolling mill with a feed slot, a feed device mounted upstream of this slot and <EMI ID=58.1> <EMI ID = 58.1> minoir par cette dernière, et une tête d'extrusion pour la formation du produit extrudé destine à l'alimentation du laminoir, caractérisée en ce que cette tête d'extrusion présente une pluralité de filières pour la formation d'une pluralité de fils de matière plastique extrudés destinés à the latter, and an extrusion head for the formation of the extruded product intended for feeding the rolling mill, characterized in that this extrusion head has a plurality of dies for the formation of a plurality of material threads extruded plastic for <EMI ID=59.1> <EMI ID = 59.1> ledit dispositif d'alimentation est muni d'un certain nombre d'éléments de guidage servant au réglage de la distance <EMI ID=60.1> said feeding device is provided with a number of guide elements used for adjusting the distance <EMI ID = 60.1> <EMI ID=61.1> <EMI ID = 61.1> <EMI ID=62.1> <EMI ID = 62.1> 'axe longitudinal de la'.fente. 'longitudinal axis of the slot. <EMI ID=63.1> <EMI ID = 63.1> <EMI ID=64.1> <EMI ID = 64.1> <EMI ID=65.1> <EMI ID = 65.1> <EMI ID=66.1> <EMI ID = 66.1> <EMI ID=67.1> <EMI ID = 67.1> <EMI ID=68.1> <EMI ID = 68.1> <EMI ID=69.1> <EMI ID = 69.1> <EMI ID=70.1> <EMI ID = 70.1> <EMI ID=71.1> <EMI ID = 71.1> de guidage peuvent être chauffés. guide rails can be heated. <EMI ID=72.1> <EMI ID = 72.1> <EMI ID=73.1> <EMI ID = 73.1> <EMI ID=74.1> <EMI ID = 74.1>
BE2/58396A 1980-02-08 1980-02-08 PLANT FOR THE MANUFACTURE OF FLAT PLASTIC PRODUCTS BE881606A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BE2/58396A BE881606A (en) 1980-02-08 1980-02-08 PLANT FOR THE MANUFACTURE OF FLAT PLASTIC PRODUCTS

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE881606 1980-02-08
BE2/58396A BE881606A (en) 1980-02-08 1980-02-08 PLANT FOR THE MANUFACTURE OF FLAT PLASTIC PRODUCTS

Publications (1)

Publication Number Publication Date
BE881606A true BE881606A (en) 1980-05-30

Family

ID=25659102

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2/58396A BE881606A (en) 1980-02-08 1980-02-08 PLANT FOR THE MANUFACTURE OF FLAT PLASTIC PRODUCTS

Country Status (1)

Country Link
BE (1) BE881606A (en)

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