GB378693A - Improvements in or relating to heating cylinders for fusible synthetic materials to be worked in a die-casting machine - Google Patents
Improvements in or relating to heating cylinders for fusible synthetic materials to be worked in a die-casting machineInfo
- Publication number
- GB378693A GB378693A GB27674/31A GB2767431A GB378693A GB 378693 A GB378693 A GB 378693A GB 27674/31 A GB27674/31 A GB 27674/31A GB 2767431 A GB2767431 A GB 2767431A GB 378693 A GB378693 A GB 378693A
- Authority
- GB
- United Kingdom
- Prior art keywords
- hopper
- heated
- heating
- die
- nozzles
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/74—Heating or cooling of the injection unit
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
378,693. Casting plastic materials ; moulding by hopper-and-plunger machines. ECKERT & ZIEGLER GES., 124, Eupenerstrasse, Braunsfeld, Cologne, Germany. Oct. 5, 1931, No. 27674. Convention date, Oct. 8, 1930. [Class 87 (ii).] In an apparatus of the hopper-andplunger type for heating fusible synthetic materials to be subsequently injected into a die-casting machine, an annular piston works in a cylindersupplied periodically by the hopper and delivers the heated material to one or more injection nozzles for charging moulds under pressure, and a hollow core extends into the piston and is heated internally by electric or other heating means. In the illustrated form the material is forced through a ring of nozzles g, communicating with the moulds, by an annular ram m operating between an interchangeable internally-heated massive core d and an externally-heated cylinder a with which a feeding hopper i is combined. Electric resistances b, e form the heating- elements and can be regulated simultaneously or separately. Wedge-shaped projections p, Fig. 3, form similarly-shaped spaces leading to the various nozzles to facilitate and equalize discharge of the material. An aperture r in the ram permits escape of air.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE378693X | 1930-10-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB378693A true GB378693A (en) | 1932-08-18 |
Family
ID=6344577
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB27674/31A Expired GB378693A (en) | 1930-10-08 | 1931-10-05 | Improvements in or relating to heating cylinders for fusible synthetic materials to be worked in a die-casting machine |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB378693A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1575223B (en) * | 2001-11-07 | 2011-06-22 | 卡尔弗罗伊登柏格两合公司 | Method and injection molding machine for the production of elastomer and duromer molded items |
-
1931
- 1931-10-05 GB GB27674/31A patent/GB378693A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1575223B (en) * | 2001-11-07 | 2011-06-22 | 卡尔弗罗伊登柏格两合公司 | Method and injection molding machine for the production of elastomer and duromer molded items |
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