BE454966A - - Google Patents

Info

Publication number
BE454966A
BE454966A BE454966DA BE454966A BE 454966 A BE454966 A BE 454966A BE 454966D A BE454966D A BE 454966DA BE 454966 A BE454966 A BE 454966A
Authority
BE
Belgium
Prior art keywords
polyamide
core
coating
nozzle
ribbons
Prior art date
Application number
Other languages
French (fr)
Publication date
Publication of BE454966A publication Critical patent/BE454966A/fr

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/244—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of halogenated hydrocarbons
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion 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
    • B29C48/05—Filamentary, e.g. strands
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion 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
    • B29C48/06—Rod-shaped
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/08—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of halogenated hydrocarbons
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/60—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Textile Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Description

       

   <Desc/Clms Page number 1> 
 



  Fils, rubans,   etc. à   noyau en fil ou cordon .en matière- synthé- 
 EMI1.1 
 tique à base de polyamide (nylon) et' re"l1'et eme nt , 8..¯basè"$' > ;tx>: rure de vinyle'{vipla), buna, oaodt.ohouo naturel, aoêtatEr""" cellulose, etc."..--- ".; .. - - - 4 at,,,,.r, ,. .   . 



   On sait que les fils, rubans, etc. en matière syn- thétique à base de polyamide ont une très grande résistance 
 EMI1.2 
 à la rupture, résistance qui est de beaucoup supérieure a celle des autres matières synthétiques, et a.us,si de .la soie naturelle et de la rayonne, etc.., conjointement à un très petit allpngement par rapport aux matières synthétiques citées-. 
 EMI1.3 
 



  Cette matière conviendrait extrêmement bien. "pour toutes les applications pour'lesquelles les deux propriétés citées ci-dessus sont requises simultanément, si, en   pl-us   de 
 EMI1.4 
 son prix élevé, son hygroscopicité et sa destruction rapide, particulièrement lorsqu'elle est employée en forme de   cordon, '   sous l'action des intempéries et du frottement contre d'au- ,tres corps, ne s'opposaient à son emploi. Parmi les applica:. tions intéressantes on peut citer par exemple les lacets de chaussures, les tire-feux pour les équipements d'artillerie, les câbles de traction pour les commandes d'avions, les cor- dons pour les broches, etc. 



   Conformément à l'invention, l'utilisation indus- trielle du fil synthétique désigné sous le.nom de nylon est   .rendue.possible   de le. façon suivante pour cette application, . ainsi que pour d'autres applications analogues. On prend un noyau résistant en nylon employé sous forme de fil, cordon, ruban, etc., et on le garnit d'un revêtement de protection 

 <Desc/Clms Page number 2> 

 contre l'humidité et le frottement, revêtement qui est constitué par une matière résistant à ces deux actions. 



   Conformément à l'invention, un revêtement en chlorure de polyvinyle convient particulièrement bien à cet effet. 



  Pour augmenter la résistance au frottement,.par exemple pour les lacets de chaussures, les câbles de traction, etc.., on procède à un moletage du produit fini. Dans certains cas le revêtement peut aussi être en caoutchouc naturel ou en caout-   chouc   synthétique (buna, etc.), en acétate de cellulose ou en toute autre matière présentant les propriétés ci-dessus. 



   Pour faire le produit conforme à l'invention on utilise un dispositif en forme de boudineuse. 



   Un exemple de réalisation de ce dispositif est représenté schématiquement dans le dessin ci-joint. 1 désigne la boudineuse pour   l'application   de la matière de revêtement; oette boudineuse est avantageusement munie de vis d'Archimède s'engageant l'une dans l'autre, suivant le brevet italien N  370.578.

   La conduite 2 reçoit la matière comprimée sortant de la boudineuse 1 et l'amène dans la cavité  3   de l'ajutage 4 dans lequel la douille de guidage 5 pour le fil de nylon 6 est disposée axialement, La matière boudinée entraîne le fil 6 à travers l'ajutage en le comprimant fortement, desorte qu'il sort de la boudineuse un fil sans fin ayant la section déterminée par l'ajutage et constitué par le noyau de nylon 6 et par le revêtement R, qui adhère parfaitement à ce noyau et qui est constitué en général par une matière synthétique   à base   de chlorure de polyvinyle.     



   <Desc / Clms Page number 1>
 



  Threads, ribbons, etc. with wire core or cord. of synthetic material
 EMI1.1
 tick based on polyamide (nylon) and 're "l1'et eme nt, 8..¯basè" $'>; tx>: vinyl rure '{vipla), buna, oaodt.ohouo natural, aoêtatEr "" " cellulose, etc. "..---".; .. - - - 4 at ,,,,. r,,...



   We know that the threads, ribbons, etc. made of polyamide-based synthetic material have a very high resistance
 EMI1.2
 breaking strength which is much higher than that of other plastics, and a.us, if natural silk and rayon, etc., together with a very small allowance compared to the plastics cited. .
 EMI1.3
 



  This material would work extremely well. "for all the applications for which the two properties mentioned above are required simultaneously, if more than
 EMI1.4
 its high price, its hygroscopicity and its rapid destruction, particularly when used in the form of a bead, under the action of inclement weather and of friction against other bodies, did not prevent its use. Among the applica :. Of interest are, for example, shoe laces, guns for artillery equipment, traction cables for aircraft controls, cords for pins, etc.



   In accordance with the invention, the industrial use of the synthetic yarn referred to as nylon is made possible. following way for this application,. as well as for other similar applications. Take a strong nylon core used in the form of wire, cord, tape, etc., and cover it with a protective coating

 <Desc / Clms Page number 2>

 against humidity and friction, coating which consists of a material resistant to these two actions.



   According to the invention, a polyvinyl chloride coating is particularly suitable for this purpose.



  To increase the frictional resistance, for example for shoe laces, tensile cables, etc., the finished product is knurled. In some cases the coating can also be natural rubber or synthetic rubber (buna, etc.), cellulose acetate or any other material exhibiting the above properties.



   To make the product according to the invention, a device in the form of an extruder is used.



   An exemplary embodiment of this device is shown schematically in the attached drawing. 1 designates the extruder for applying the coating material; This extruder is advantageously provided with Archimedean screws engaging one into the other, according to Italian patent N 370,578.

   The pipe 2 receives the compressed material leaving the extruder 1 and brings it into the cavity 3 of the nozzle 4 in which the guide sleeve 5 for the nylon thread 6 is arranged axially, The coiled material drives the thread 6 to through the nozzle, compressing it strongly, so that an endless thread comes out of the extruder having the section determined by the nozzle and consisting of the nylon 6 core and the coating R, which adheres perfectly to this core and which is generally constituted by a synthetic material based on polyvinyl chloride.

Claims (1)

RESUME. ABSTRACT. 1, Fils, rubans et produits analogues, caractérisés par un noyau constitué par un fil ou un cordon en matière sythétique à base de polyamide (nylon), et par un revêtement de protection recouvrant ce noyau et constitué par une matière synthétique à base de chlorure de vinyle. 1, Threads, ribbons and similar products, characterized by a core consisting of a thread or a cord of synthetic material based on polyamide (nylon), and by a protective coating covering this core and consisting of a synthetic material based on chloride vinyl. Le revêtement peut aussi être constitué par du caoutchouc synthétique (buna, etc.), du caoutchouc naturel, de l'acétate de cellulose ou une autre matière capable d'assurer une bonne résistance à l'usure et une protection efficaoe du noyau'en matière synthétique à base de polyamide contre l'humidité. The coating can also consist of synthetic rubber (buna, etc.), natural rubber, cellulose acetate or another material capable of ensuring good wear resistance and effective protection of the core. synthetic material based on polyamide against humidity. 2. Procédé de fabrication de fils, rubans, etc. comme ci-dessus, caractérisé en ce que le revêtement du fil de polyamide est obtenu par boudinage au moyen d'un ajutage. 2. Manufacturing process for yarns, ribbons, etc. as above, characterized in that the coating of the polyamide yarn is obtained by extrusion by means of a nozzle. 3. Dispositif pour l'application du procédé ci-dessus, pour la fabrication de fils, rubans, etc. tels qu'ils sont décrits sous le chiffre 1, caractérisé en ce qu'il est constitué par une boudineuse envoyant la matière de fabrica- tion, c'est-à-dire le chlorure de polyvinyle, dans la cavité d'un ajutage dans l'axe duquel une douille de guidage du fil de polyamide est montée de façon qu'il sorte de cet ajutage un fil sans fin recouvert d'un revêtement extérieur en chlorure de polyvinyle et comprenant un noyau en polyamide. 3. Device for the application of the above process, for the manufacture of threads, ribbons, etc. as described under number 1, characterized in that it consists of an extruder sending the material of manufacture, that is to say the polyvinyl chloride, into the cavity of a nozzle in the axis of which a guide sleeve for the polyamide thread is mounted so that it leaves this nozzle an endless thread covered with an outer coating of polyvinyl chloride and comprising a core of polyamide.
BE454966D BE454966A (en)

Publications (1)

Publication Number Publication Date
BE454966A true BE454966A (en) 1900-01-01

Family

ID=109000

Family Applications (1)

Application Number Title Priority Date Filing Date
BE454966D BE454966A (en)

Country Status (1)

Country Link
BE (1) BE454966A (en)

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