BE549458A - - Google Patents
Info
- Publication number
- BE549458A BE549458A BE549458DA BE549458A BE 549458 A BE549458 A BE 549458A BE 549458D A BE549458D A BE 549458DA BE 549458 A BE549458 A BE 549458A
- Authority
- BE
- Belgium
- Prior art keywords
- appendages
- casting
- mold according
- casting mold
- mold
- Prior art date
Links
- 238000005266 casting Methods 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 230000004301 light adaptation Effects 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 claims 1
- 239000012237 artificial material Substances 0.000 description 4
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
- B29C70/74—Moulding material on a relatively small portion of the preformed part, e.g. outsert 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/0011—Moulds or cores; Details thereof or accessories therefor thin-walled moulds
-
- 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
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/22—Component parts, details or accessories; Auxiliary operations
- B29C39/26—Moulds or cores
-
- 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
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
-
- 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
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3462—Cables
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Description
<Desc/Clms Page number 1>
Pour la préparation de corps en résine de coulée ou substances similaires:, il est connu d'utiliser des moules de coulée en feuilles métalliques,en papier ou en matière artificielle. Il a été aussi proposé de laisser les moules en totalité ou en partie sur le corps à fabriquer. Les mou- les de coulée connus de ce genre avaient l'inconvénient de n'être pas transparents et de ne pas permettre ainsi une surveillance du processus de couler
Il peut subsister des bulles d'air dans la Masse
EMI1.1
coulée, ce qui influence défavorablement lus propriétés 8- lectriques.
La présente invention porte remède aux inconvé- nients cités en constituant le moule de couvre en une fouille de matière artificielle transparente. On peut choisir une
<Desc/Clms Page number 2>
épaisseur de paroi si petite qu'elle est simplement en rap- port avec les efforts auxquels il faut faire face au cours de la fabrication des pièces à couler. Le moule est avanta- geusement formé en une pièce, par pliage. On peut aussi uti- liser des moules en deux parties, qui sontréunies entre elles de manière à pouvoir basculer, au moyen de charnières ou de dispositifs du même genre.
Pour la fermeture du moule, il est prévu suivant un développement de l'invention des appendices ou éléments si- milaires en forme de brides, qui sont réunis de manière é- tanche aux liquides, par exemple par encollage, au moyen de rubans collants. On peut également prévoir des appendices aux éléments de moule, appendices qui, lors de la fermeture du moule, forment une ouverture de coulée.
Pour que le moule de coulée puisse être utilisé pour diverses dimensions, par exemple dans la fabrication de garnitures de câbles, il est prévu des appendices éta- gés qui, d'après la grandeur de l'article à couler, peuvent être détachés.
Dans les figures 1 à 4 on représente deux for- mes de réalisation de l'invention. Il s'agit dans les deux cas d'un moule pour la fabrication de manchons de jonction de câbles. Le moule de coulée se compose de deux parties 1 et 2, formées au moyen de feuilles. Comme matériel en feuille on peut par exemple utiliser du chlorure de polyvinyle. Les parties 1 et 2 sont raccordées entre elles par une charnière 3 et sont rabattues l'une contre l'autre et fermées par col- lage. Sur le côté supérieur sont prévus des appendices qui forment un entonnoir de coulée 4. Des deux côtés le moule présente des appendices 5 et 6 étagés, pour adapter le moule à divers diamètres du câble. En fonction du diamètre en cau- se, on détache les appendices étages.
Après achèvement du corps coulé, on peut éliminer les parties du moule en saillie
<Desc/Clms Page number 3>
Les parties du moule entourant directement l'objet demeurent sur celui-ci.
Les figures 3 et 4 montrent une construction du même genre pour un manchon de dérivation double.
REVENDICATIONS
1.- Moule de coulée en matière artificielle pour l'obtention de corps en résine de coulée ou substances ana- logues, qui subsiste sur le corps coulé , en particulier pour garnitures de câbles, caractérisé en ce que le moule de coulée est constitué en une feuille de matière artificielle transparente.
<Desc / Clms Page number 1>
For the preparation of bodies of casting resin or similar substances :, it is known to use casting molds of metal sheets, of paper or of artificial material. It has also been proposed to leave the molds in whole or in part on the body to be manufactured. Known casting molds of this kind had the disadvantage of not being transparent and thus not allowing monitoring of the casting process.
There may be air bubbles in the Mass
EMI1.1
casting, which adversely influences the electrical properties.
The present invention overcomes the aforementioned drawbacks by constituting the cover mold in a pit of transparent artificial material. We can choose a
<Desc / Clms Page number 2>
wall thickness so small that it is simply related to the stresses that have to be faced during the manufacture of the castings. The mold is advantageously formed in one piece, by folding. It is also possible to use molds in two parts, which are joined together so as to be able to tilt, by means of hinges or devices of the same kind.
For the closing of the mold, according to a development of the invention there are provided appendages or similar elements in the form of flanges, which are joined in a liquid-tight manner, for example by gluing, by means of adhesive tapes. It is also possible to provide appendages to the mold elements, appendages which, when the mold is closed, form a casting opening.
In order that the casting mold can be used for various sizes, for example in the manufacture of cable gaskets, stepped appendages are provided which, depending on the size of the article to be cast, can be detached.
In Figures 1 to 4 two embodiments of the invention are shown. In both cases, it is a mold for the manufacture of cable junction sleeves. The casting mold consists of two parts 1 and 2, formed by means of sheets. Polyvinyl chloride can be used, for example, as sheet material. Parts 1 and 2 are interconnected by a hinge 3 and are folded against one another and closed by gluing. On the upper side are provided appendages which form a pouring funnel 4. On both sides the mold has appendages 5 and 6 in stages, to adapt the mold to various cable diameters. Depending on the diameter at the root, the tiered appendages are detached.
After completion of the cast body, the protruding mold parts can be removed
<Desc / Clms Page number 3>
The parts of the mold directly surrounding the object remain on it.
Figures 3 and 4 show a similar construction for a double branch sleeve.
CLAIMS
1.- Casting mold of artificial material for obtaining bodies of casting resin or similar substances, which remains on the cast body, in particular for cable fittings, characterized in that the casting mold is made of a sheet of transparent artificial material.
Claims (1)
Publications (1)
Publication Number | Publication Date |
---|---|
BE549458A true BE549458A (en) |
Family
ID=175687
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE549458D BE549458A (en) |
Country Status (1)
Country | Link |
---|---|
BE (1) | BE549458A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0436805A2 (en) * | 1989-11-15 | 1991-07-17 | Neste Oy | Method and mould for manufacturing a joint surrounded by a joining compound and such a joint |
EP0503343A1 (en) * | 1991-03-14 | 1992-09-16 | Hughes Aircraft Company | Elastomeric mold for optical fiber sheath |
-
0
- BE BE549458D patent/BE549458A/fr unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0436805A2 (en) * | 1989-11-15 | 1991-07-17 | Neste Oy | Method and mould for manufacturing a joint surrounded by a joining compound and such a joint |
EP0436805A3 (en) * | 1989-11-15 | 1992-07-08 | Neste Oy | Method and mould for manufacturing a joint surrounded by a joining compound and such a joint |
EP0503343A1 (en) * | 1991-03-14 | 1992-09-16 | Hughes Aircraft Company | Elastomeric mold for optical fiber sheath |
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