JPS55118844A - Double layer molded article and its manufacture - Google Patents
Double layer molded article and its manufactureInfo
- Publication number
- JPS55118844A JPS55118844A JP2582079A JP2582079A JPS55118844A JP S55118844 A JPS55118844 A JP S55118844A JP 2582079 A JP2582079 A JP 2582079A JP 2582079 A JP2582079 A JP 2582079A JP S55118844 A JPS55118844 A JP S55118844A
- Authority
- JP
- Japan
- Prior art keywords
- groove
- outer shell
- projection
- shell
- molding
- 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.)
- Granted
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
- B29C45/16—Making multilayered or multicoloured articles
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Manufacturing Of Electrical Connectors (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
PURPOSE:To obtain a double layer molded article without deforming the projection and eliminating the burr produced at the outer shell within the groove by a method wherein the circumferential edge of the inner shell projection made of the thermosetting resin is provided with a groove, and the groove root thereof is formed with the recess depressed by the inner face of the outer shell made of the thermoplastic resin. CONSTITUTION:The inner shell 1 of a thermosetting plastic is enclosed with the outer shell 2 of thermoplastic plastic, the circumferential edge of the projection 3 exposed to the outside of the inner shell 1 being provided with the groove 4 which is not covered with the outer shell 2, the root of the groove 4 forming the recess 5 depressed by the inner face of the outer shell 2, and double layer molding being formed to produce the casing for the wiring appliance such as a plug socket. On working the secondary molding to cover the outer shell 2 of the thermoplastic plastic before hardening the inner shell 1, the molding is manufactured by compressing to depress the circumferential edge of the projection 3 of the inner shell 1 with the groove molding projection 7 of the secondary mold 6.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2582079A JPS55118844A (en) | 1979-03-06 | 1979-03-06 | Double layer molded article and its manufacture |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2582079A JPS55118844A (en) | 1979-03-06 | 1979-03-06 | Double layer molded article and its manufacture |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55118844A true JPS55118844A (en) | 1980-09-12 |
JPS6356679B2 JPS6356679B2 (en) | 1988-11-09 |
Family
ID=12176491
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2582079A Granted JPS55118844A (en) | 1979-03-06 | 1979-03-06 | Double layer molded article and its manufacture |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55118844A (en) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6032265A (en) * | 1983-07-31 | 1985-02-19 | 松下電工株式会社 | Connector |
JPS61124051A (en) * | 1984-11-20 | 1986-06-11 | Yuasa Battery Co Ltd | Manufacture of lead battery |
JPS6268711A (en) * | 1985-09-24 | 1987-03-28 | Nok Corp | Manufacture of rubber molded product baked to metallic product |
JPS63285889A (en) * | 1986-05-13 | 1988-11-22 | アンプ インコ−ポレ−テツド | Electric connector and manufacture of the same |
JPS6471716A (en) * | 1987-09-11 | 1989-03-16 | Tokyo Electric Co Ltd | Two-material molding |
JPH0241221A (en) * | 1988-08-01 | 1990-02-09 | Daikyo Inc | Double injection molding method |
JPH02253582A (en) * | 1989-03-28 | 1990-10-12 | Matsushita Electric Works Ltd | Formation device |
JPH02253581A (en) * | 1989-03-28 | 1990-10-12 | Matsushita Electric Works Ltd | Continuous formation |
EP1830071A2 (en) | 2006-03-03 | 2007-09-05 | WOCO Industrietechnik GmbH | Plastic compressor casing |
US7862298B2 (en) | 2006-02-27 | 2011-01-04 | Woco Industrietechnik Gmbh | Centrifugal compressor housing |
US8342800B2 (en) | 2007-02-27 | 2013-01-01 | Woco Industrietechnik Gmbh | Plastic compressor housing and method for producing same |
US8419359B2 (en) | 2007-06-11 | 2013-04-16 | Woco Industrietechnik Gmbh | Plastic compressor housing and method for producing a plastic compressor housing |
GB2500633A (en) * | 2012-03-27 | 2013-10-02 | Louise Mohn | Moulding method |
-
1979
- 1979-03-06 JP JP2582079A patent/JPS55118844A/en active Granted
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6032265A (en) * | 1983-07-31 | 1985-02-19 | 松下電工株式会社 | Connector |
JPS61124051A (en) * | 1984-11-20 | 1986-06-11 | Yuasa Battery Co Ltd | Manufacture of lead battery |
JPS6268711A (en) * | 1985-09-24 | 1987-03-28 | Nok Corp | Manufacture of rubber molded product baked to metallic product |
JPS63285889A (en) * | 1986-05-13 | 1988-11-22 | アンプ インコ−ポレ−テツド | Electric connector and manufacture of the same |
JPS6471716A (en) * | 1987-09-11 | 1989-03-16 | Tokyo Electric Co Ltd | Two-material molding |
JPH0584727B2 (en) * | 1987-09-11 | 1993-12-03 | Tokyo Electric Co Ltd | |
JPH0569694B2 (en) * | 1988-08-01 | 1993-10-01 | Daiko Kk | |
JPH0241221A (en) * | 1988-08-01 | 1990-02-09 | Daikyo Inc | Double injection molding method |
JPH02253581A (en) * | 1989-03-28 | 1990-10-12 | Matsushita Electric Works Ltd | Continuous formation |
JPH02253582A (en) * | 1989-03-28 | 1990-10-12 | Matsushita Electric Works Ltd | Formation device |
US7862298B2 (en) | 2006-02-27 | 2011-01-04 | Woco Industrietechnik Gmbh | Centrifugal compressor housing |
EP1830071A2 (en) | 2006-03-03 | 2007-09-05 | WOCO Industrietechnik GmbH | Plastic compressor casing |
EP1830071A3 (en) * | 2006-03-03 | 2008-01-23 | WOCO Industrietechnik GmbH | Plastic compressor casing |
US8342800B2 (en) | 2007-02-27 | 2013-01-01 | Woco Industrietechnik Gmbh | Plastic compressor housing and method for producing same |
US8419359B2 (en) | 2007-06-11 | 2013-04-16 | Woco Industrietechnik Gmbh | Plastic compressor housing and method for producing a plastic compressor housing |
GB2500633A (en) * | 2012-03-27 | 2013-10-02 | Louise Mohn | Moulding method |
Also Published As
Publication number | Publication date |
---|---|
JPS6356679B2 (en) | 1988-11-09 |
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