GB438744A - Improvements in and relating to the production of rubber threads - Google Patents
Improvements in and relating to the production of rubber threadsInfo
- Publication number
- GB438744A GB438744A GB22327/34A GB2232734A GB438744A GB 438744 A GB438744 A GB 438744A GB 22327/34 A GB22327/34 A GB 22327/34A GB 2232734 A GB2232734 A GB 2232734A GB 438744 A GB438744 A GB 438744A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rubber
- threads
- press
- mix
- screw
- 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
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D99/00—Subject matter not provided for in other groups of this subclass
- B29D99/0078—Producing filamentary materials
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/72—Feedback means, i.e. part of the molten material being fed back into upstream stages of the extruder
- B29C48/725—Feedback means, i.e. part of the molten material being fed back into upstream stages of the extruder for plasticising or homogenising devices
-
- 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
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2021/00—Use of unspecified rubbers as moulding material
-
- 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
- B29L2031/731—Filamentary material, i.e. comprised of a single element, e.g. filaments, strands, threads, fibres
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
438,744. Extruding rubber threads. KOLNISCHE GUMMIFADEN - FABRIK VORM. F. KOHLSTADT & CO., 129, Deutz M³lheimerstrasse, Deutz, Cologne, Germany. July 31, 1934, No. 22327. Convention date, July 31, 1933. [Classes 70 and 87 (ii)] Uniform rubber &c. threads are made by extending a rubber composition at a constant volumetric rate, and also by tapping off part of the composition before it reaches the nozzles, and returning it to the mass of rubber at the inlet side of the press. The composition is fed by a uniformlydriven screw backed by a hydraulic press exerting sufficient pressure to overcome the resiliency of the mix. Rubber mix is forced from a press 11 through a strainer 14 to the inlet 10 of a steam - jacketed screw press, the screw 4 of which decreases in pitch towards the outlet to eliminate air bubbles. The mix passes through a strainer 15 to a chamber 17 with an air escape cock 18 whence the bulk is passed back to the inlet 10 by a pipe 20 which may be steam jacketed, while the remainder is forced through nozzles in a plate 22 to form threads 23 which are deposited on a conveyer 24. The thickness of the threads can be modified by raising or lowering the conveyer, or by stretching them between pairs of rolls rotating at different speeds, and immersed if desired in hot water.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1933D0066332 DE623384C (en) | 1933-07-31 | 1933-07-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB438744A true GB438744A (en) | 1935-11-22 |
Family
ID=6686305
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB22327/34A Expired GB438744A (en) | 1933-07-31 | 1934-07-31 | Improvements in and relating to the production of rubber threads |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE623384C (en) |
FR (1) | FR775410A (en) |
GB (1) | GB438744A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2641732A1 (en) * | 1989-01-14 | 1990-07-20 | Berstorff Gmbh Masch Hermann | EXTRUSION HEAD FOR THE WORKING OF RUBBER OR THERMOPLASTIC SYNTHETIC MATERIALS |
CN111923338A (en) * | 2020-09-17 | 2020-11-13 | 潍坊工程职业学院 | Circulating injection molding machine |
CN117162438A (en) * | 2022-10-31 | 2023-12-05 | 无锡市瑞澳矿业科技有限公司 | Production equipment for rubber hose for conveying high-wear-resistance ore pulp and application method of production equipment |
-
1933
- 1933-07-31 DE DE1933D0066332 patent/DE623384C/de not_active Expired
-
1934
- 1934-07-06 FR FR775410D patent/FR775410A/en not_active Expired
- 1934-07-31 GB GB22327/34A patent/GB438744A/en not_active Expired
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2641732A1 (en) * | 1989-01-14 | 1990-07-20 | Berstorff Gmbh Masch Hermann | EXTRUSION HEAD FOR THE WORKING OF RUBBER OR THERMOPLASTIC SYNTHETIC MATERIALS |
GB2227706A (en) * | 1989-01-14 | 1990-08-08 | Berstorff Gmbh Masch Hermann | An extrusion head having air venting means |
CN111923338A (en) * | 2020-09-17 | 2020-11-13 | 潍坊工程职业学院 | Circulating injection molding machine |
CN111923338B (en) * | 2020-09-17 | 2021-01-26 | 潍坊工程职业学院 | Circulating injection molding machine |
CN117162438A (en) * | 2022-10-31 | 2023-12-05 | 无锡市瑞澳矿业科技有限公司 | Production equipment for rubber hose for conveying high-wear-resistance ore pulp and application method of production equipment |
CN117162438B (en) * | 2022-10-31 | 2024-04-30 | 无锡市瑞澳矿业科技有限公司 | Production equipment for rubber hose for conveying high-wear-resistance ore pulp and application method of production equipment |
Also Published As
Publication number | Publication date |
---|---|
FR775410A (en) | 1934-12-28 |
DE623384C (en) | 1935-12-19 |
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