GB500093A - Improvements in and relating to extrusion devices - Google Patents
Improvements in and relating to extrusion devicesInfo
- Publication number
- GB500093A GB500093A GB15472/38A GB1547238A GB500093A GB 500093 A GB500093 A GB 500093A GB 15472/38 A GB15472/38 A GB 15472/38A GB 1547238 A GB1547238 A GB 1547238A GB 500093 A GB500093 A GB 500093A
- Authority
- GB
- United Kingdom
- Prior art keywords
- die
- opening
- extrusion
- passages
- central
- 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
-
- 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
- B29C48/06—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
- B29C48/03—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)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
500,093. Extrusion machines. BRITISH THOMSON HOUSTON CO., Ltd. May 24, 1938, No. 15472. Convention date, May 26, 1937. [Class 87 (ii)] An extrusion device for covering electric conductors &c. with plastic material comprises a die having a central extrusion opening and a plurality of auxiliary passages surrounding the same for equalizing the flow of material. The material is fed by a worm 2 into a chamber 3 in one side of which a steel die 13 is retained by a threaded sleeve 9 while the other side is fitted with a guide holder 7 supporting a tubular sleeve 11. The die 13 contains a central opening 20 which determines the diameter of the covering and a plurality of smaller holes 21 which are arranged round the opening 20 and diverge outwardly from the chamber 3. A leader 12, secured to the end of the sleeve 11, is also supported in the die housing and has a central hole 25 for guiding the conductor wire and a number of parallel passages 26, arranged concentrically therearound, through which the material is fed. The die 13 and leader 12 have conical surfaces facing each -other. In a modification, Fig. 3, the passages 26 may be open on the outside and may lead into spaces 28 which reduce the resistance to the flow of material.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US500093XA | 1937-05-26 | 1937-05-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB500093A true GB500093A (en) | 1939-02-02 |
Family
ID=21962901
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB15472/38A Expired GB500093A (en) | 1937-05-26 | 1938-05-24 | Improvements in and relating to extrusion devices |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB500093A (en) |
-
1938
- 1938-05-24 GB GB15472/38A patent/GB500093A/en not_active Expired
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