GB747370A - Improvements in or relating to transfer moulding presses - Google Patents
Improvements in or relating to transfer moulding pressesInfo
- Publication number
- GB747370A GB747370A GB858/54A GB85854A GB747370A GB 747370 A GB747370 A GB 747370A GB 858/54 A GB858/54 A GB 858/54A GB 85854 A GB85854 A GB 85854A GB 747370 A GB747370 A GB 747370A
- Authority
- GB
- United Kingdom
- Prior art keywords
- feeder
- preform
- chains
- switch
- heated
- 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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/0081—Composite particulate pigments or fillers, i.e. containing at least two solid phases, except those consisting of coated particles of one compound
- C09C1/0084—Composite particulate pigments or fillers, i.e. containing at least two solid phases, except those consisting of coated particles of one compound containing titanium dioxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/03—Injection moulding apparatus
-
- 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
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14549—Coating rod-like, wire-like or belt-like articles
- B29C45/14565—Coating rod-like, wire-like or belt-like articles at spaced locations, e.g. coaxial-cable wires
-
- 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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/462—Injection of preformed charges of material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
747,370. Dielectric heating. WESTERN ELECTRIC CO., Inc. Jan. 12, 1954 [Nov. 12, 1953], No. 858/54. Class 39(3). [Also in Group V] Fig. 3 shows means for heating plastic preforms 102 and feeding them to charging chamber 104 whence they are forced by a hydraulically-operated ram 103 through narrow passages into a mould cavity. The preforms are taken one by one from the bottom of a magazine 108 by a feeder 110 carried by endless chains 111. The feeder pushes a preform from the magazine leftward to a position between an upper highfrequency-heating electrode 112 and a lower earthed electrode 118, and then the feeder (leaving the preform between the eletrodes) retracts to the right, this retraction being effected by a dog 120 on the chains, this dog actuating a switch 121 to reverse an electric motor which drives the chains. When the receding feeder reaches a limit switch 124, it actuates this switch which stops the motor and energises the heater 112. The preform is thus heated for, say, 10-15 seconds, whereupon the motor re-starts to advance the feeder again to the left. The feeder moves the heated preform to the chamber 104, the preform drops into the chamber and the feeder travels around the lefthand chain sprocket until it is out of the way of ram 103, whereupon dog 120 actuates a switch 128 to cause descent of plunger 103 to fill the mould cavity. The chains continue to move, the feeder is carried around right-hand sprocket 117 and takes another preform to the heating station, the feeder retracts, the second preform is heated, and so on.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US747370XA | 1953-01-12 | 1953-01-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB747370A true GB747370A (en) | 1956-04-04 |
Family
ID=22121377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB858/54A Expired GB747370A (en) | 1953-01-12 | 1954-01-12 | Improvements in or relating to transfer moulding presses |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE392999A (en) |
| FR (1) | FR747370A (en) |
| GB (1) | GB747370A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1135651B (en) * | 1958-07-11 | 1962-08-30 | Kuhnke H | Resin press |
| CN118144223A (en) * | 2024-04-02 | 2024-06-07 | 东莞市南炬高分子材料有限公司 | Silica gel forming device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114834013B (en) * | 2022-04-24 | 2023-07-07 | 江苏通工金属科技有限公司 | Device for locking high-temperature mold |
-
1932
- 1932-12-10 FR FR747370D patent/FR747370A/en not_active Expired
- 1932-12-12 BE BE392999D patent/BE392999A/fr unknown
-
1954
- 1954-01-12 GB GB858/54A patent/GB747370A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1135651B (en) * | 1958-07-11 | 1962-08-30 | Kuhnke H | Resin press |
| CN118144223A (en) * | 2024-04-02 | 2024-06-07 | 东莞市南炬高分子材料有限公司 | Silica gel forming device |
Also Published As
| Publication number | Publication date |
|---|---|
| BE392999A (en) | 1933-01-31 |
| FR747370A (en) | 1933-06-15 |
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