GB644530A - Improvements in or relating to apparatus for use in the manufacture of electric cables - Google Patents
Improvements in or relating to apparatus for use in the manufacture of electric cablesInfo
- Publication number
- GB644530A GB644530A GB14588/48A GB1458848A GB644530A GB 644530 A GB644530 A GB 644530A GB 14588/48 A GB14588/48 A GB 14588/48A GB 1458848 A GB1458848 A GB 1458848A GB 644530 A GB644530 A GB 644530A
- Authority
- GB
- United Kingdom
- Prior art keywords
- conductors
- rubber
- die
- point
- pass
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
-
- 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
- B29C48/156—Coating two or more articles simultaneously
-
- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
- B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Processes Specially Adapted For Manufacturing Cables (AREA)
Abstract
644,530. Coating electrical conductors by extrusion. MILNER, R. F. D. May 31, 1948, No. 14588. [Class 87 (ii)] An electric cable is made by laying-up or twisting a plurality of conductors or cores whilst applying interspacial and surrounding rubber or rubber-like material or plastic composition, by passing the conductors &c., during the laying-up or twisting, through rubber &c. extruding apparatus having a revolving pointholder in the outgoing end of which is included a point provided with through passages-one passage for each conductor-whereby said conductors are spacially arranged, and thence through a die which determines the size and shape of the surrounding rubber &c. Fig. 1 shows apparatus for doing this, comprising bobbins a carrying conductors or cores a<SP>1</SP> and mounted on a rotating carriage b driven by a shaft c which drives also a tubular rotating point-holder f housed in rubber-extruding apparatus g. The conductors a<SP>1</SP> pass through holes ml in the point m, one hole for each conductor, and as they pass through, the spaces therebetween are filled with rubber arriving from an extruding scroll n via flutes m<SP>2</SP> in the point. The conductors, separated by rubber, pass through a cavity which is kept filled with rubber by the scroll and thence into a stationary die q. Between the point and the die the conductors are twisted. To prevent rotation of the twisted conductors as they pass through the die q, flutes or channels q<SP>2</SP> are provided on the latter. The die is carried by a holder q3, which is adjustable longitudinally. The finished cable passes through a cooling trough h.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB14588/48A GB644530A (en) | 1948-05-31 | 1948-05-31 | Improvements in or relating to apparatus for use in the manufacture of electric cables |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB14588/48A GB644530A (en) | 1948-05-31 | 1948-05-31 | Improvements in or relating to apparatus for use in the manufacture of electric cables |
Publications (1)
Publication Number | Publication Date |
---|---|
GB644530A true GB644530A (en) | 1950-10-11 |
Family
ID=10043941
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB14588/48A Expired GB644530A (en) | 1948-05-31 | 1948-05-31 | Improvements in or relating to apparatus for use in the manufacture of electric cables |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB644530A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2193144A (en) * | 1986-07-31 | 1988-02-03 | Telephone Cables Ltd | Manufacture of cables by extrusion |
-
1948
- 1948-05-31 GB GB14588/48A patent/GB644530A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2193144A (en) * | 1986-07-31 | 1988-02-03 | Telephone Cables Ltd | Manufacture of cables by extrusion |
US4785616A (en) * | 1986-07-31 | 1988-11-22 | Telephone Cables Limited | Manufacture of cables |
GB2193144B (en) * | 1986-07-31 | 1989-12-20 | Telephone Cables Ltd | Manufacture of optical cables. |
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