JPS54156080A - Manufacture of pipe connection member in tubular module - Google Patents
Manufacture of pipe connection member in tubular moduleInfo
- Publication number
- JPS54156080A JPS54156080A JP6612178A JP6612178A JPS54156080A JP S54156080 A JPS54156080 A JP S54156080A JP 6612178 A JP6612178 A JP 6612178A JP 6612178 A JP6612178 A JP 6612178A JP S54156080 A JPS54156080 A JP S54156080A
- Authority
- JP
- Japan
- Prior art keywords
- liner
- mold
- temperature
- manufacture
- connection member
- 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.)
- Pending
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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
- B29C33/52—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles soluble or fusible
-
- 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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/44—Removing or ejecting moulded articles for undercut articles
- B29C45/4457—Removing or ejecting moulded articles for undercut articles using fusible, soluble or destructible cores
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
PURPOSE: To obtain the title member, e.g. a U-shaped one, free from joining or fused parts, by inserting a liner of such a shape as to connect the ends of plural parallel separation tubes into a mold, and by removing the liner after resin injection.
CONSTITUTION: The liner 24 in the mold 21 is attached to the holes 23 and 23 provided in the mold 22 for the inner surface of header, and a plastic is injected into the mold 21. The liner 24 is embedded in the plastic is removed to form the communicating part. The liner 24 is preferably composed of a low-melting alloy or a water-soluble solid. For example, the melting temperature of the liner of a low-melting alloy, e.g. Bi-Pb, is set at 120W125°C for the injection temperature of 210W 220°C, and the molded resin is kept at a temperature 5W10°C higher than the melting point of the liner, which is molten. The liner will not melt in injection due to its thermal conductivity.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6612178A JPS54156080A (en) | 1978-05-31 | 1978-05-31 | Manufacture of pipe connection member in tubular module |
NL7904259A NL7904259A (en) | 1978-05-31 | 1979-05-30 | PROCESS FOR THE MANUFACTURE OF PLASTIC ARTICLES WITH A COMPLETELY SHAPED HOLE PART. |
GB7919066A GB2025836A (en) | 1978-05-31 | 1979-05-31 | Molding a Plastics Article Having an Intricately Shaped Hollow Portion |
DE19792922303 DE2922303A1 (en) | 1978-05-31 | 1979-05-31 | PROCESS FOR MANUFACTURING PLASTIC CASTING OBJECTS WITH A COMPLEX HOLLOW FORM AREA |
FR7914040A FR2427188A1 (en) | 1978-05-31 | 1979-05-31 | PROCESS FOR PRODUCING A MOLDED PLASTIC ARTICLE CONTAINING A HOLLOW PORTION OF COMPLICATED SHAPE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6612178A JPS54156080A (en) | 1978-05-31 | 1978-05-31 | Manufacture of pipe connection member in tubular module |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54156080A true JPS54156080A (en) | 1979-12-08 |
Family
ID=13306720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6612178A Pending JPS54156080A (en) | 1978-05-31 | 1978-05-31 | Manufacture of pipe connection member in tubular module |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS54156080A (en) |
DE (1) | DE2922303A1 (en) |
FR (1) | FR2427188A1 (en) |
GB (1) | GB2025836A (en) |
NL (1) | NL7904259A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5684931A (en) * | 1979-12-14 | 1981-07-10 | Nitto Electric Ind Co Ltd | Preparation of synthetic resin molding having curved space inside thereof |
JPS58212921A (en) * | 1982-06-04 | 1983-12-10 | Aron Kasei Co Ltd | Molding method of plastic hollow product |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2477462A1 (en) * | 1980-03-10 | 1981-09-11 | Ozen Sa | PROCESS FOR THE INJECTION MOLDING OF PLASTIC MATERIALS HAVING HOLLOW OR LEFT FORMS UNDEROUT, AND TOOLS USED |
DE3725679A1 (en) * | 1987-08-03 | 1989-02-16 | Rheinische Maschinenfabrik & E | Prodn. of hollow plastic mouldings - by making low melting pt. metal core, placing in mould, injection or blow moulding article, cooling, and melting out core for re-use |
DE3736574A1 (en) * | 1987-10-28 | 1989-05-18 | Bayerische Motoren Werke Ag | METHOD AND MOLDING CORE FOR PRODUCING PLASTIC OBJECTS WITH UNDERCUTS |
US5125993A (en) * | 1991-07-25 | 1992-06-30 | E. I. Du Pont De Nemours And Company | Method for forming and consolidating a fiber reinforced resin structure |
EP0644383A1 (en) * | 1993-09-17 | 1995-03-22 | Atag Verwarming B.V. | Intergrated unit for use in a heating apparatus |
DE4437414C2 (en) * | 1994-10-19 | 1997-05-22 | Riesselmann F & H Kunststoff | Process for the injection molding of plastic parts with demoldable cores |
DE19534836C2 (en) * | 1994-10-19 | 1999-10-28 | Riesselmann F & H Kunststoff | Water-soluble mandrel for injection molding plastic parts and process for its manufacture |
FR2872732B1 (en) * | 2004-07-09 | 2008-03-14 | Fabien Heitz | METHOD AND DEVICE FOR MANUFACTURING HOLLOW PIECES OF POLYURETHANE, AND PARTS THUS OBTAINED |
NL1027482C2 (en) * | 2004-11-11 | 2006-05-15 | Naber Beheer B V | DVD box with holding elements for holding an edge area of an insert, information booklet or the like. |
DE102007044550A1 (en) | 2007-09-18 | 2009-03-26 | Siemens Medical Instruments Pte. Ltd. | Sound channel for a hearing device and corresponding manufacturing method |
DE102021116907A1 (en) | 2021-06-30 | 2023-01-05 | Stefan Klotz | Process for the production of one-piece molded parts with hollow interiors |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB276697A (en) * | 1926-08-30 | 1929-02-28 | Ig Farbenindustrie Ag | Manufacture of objects of acid-proof material |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1343191A (en) * | 1920-06-15 | Chester t | ||
US2203421A (en) * | 1937-04-27 | 1940-06-04 | Little Inc A | Method of molding containers from plastic materials |
US2480048A (en) * | 1944-07-10 | 1949-08-23 | William S Rice | Casting process |
BE481732A (en) * | 1947-08-21 | |||
FR1032916A (en) * | 1951-02-20 | 1953-07-07 | Ile D Etudes Des Tech Nouvelle | Molding process, in particular of plastics, characterized by a special design and composition of the core |
GB773971A (en) * | 1951-07-25 | 1957-05-01 | John Frederick Patrick Smith | Process for moulding so-called "plastic" materials |
FR1047468A (en) * | 1952-01-03 | 1953-12-15 | New molding process and products obtained by this process | |
GB828685A (en) * | 1955-10-04 | 1960-02-24 | Cole E K Ltd | Improvements relating to the moulding of thermoplastic articles |
FR1366921A (en) * | 1963-06-06 | 1964-07-17 | Improved process and device for the manufacture of thermoplastic parts | |
GB1250476A (en) * | 1968-01-26 | 1971-10-20 | ||
FR2061829A5 (en) * | 1969-05-22 | 1971-06-25 | Manni Charles | Lost-core plastics moulding |
FR2140295A1 (en) * | 1971-06-09 | 1973-01-19 | Sovap | Reinforced plastic tubes - formed on mandrel with destructable outer layer |
CH530249A (en) * | 1971-10-22 | 1972-11-15 | Liechti Fritz Dipl Ing Dr | Process for the production of molded parts from plastics with complicated recesses and cavities |
GB1370185A (en) * | 1973-04-05 | 1974-10-16 | Banks C H | Fluid control circuits |
-
1978
- 1978-05-31 JP JP6612178A patent/JPS54156080A/en active Pending
-
1979
- 1979-05-30 NL NL7904259A patent/NL7904259A/en not_active Application Discontinuation
- 1979-05-31 FR FR7914040A patent/FR2427188A1/en active Granted
- 1979-05-31 DE DE19792922303 patent/DE2922303A1/en not_active Ceased
- 1979-05-31 GB GB7919066A patent/GB2025836A/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB276697A (en) * | 1926-08-30 | 1929-02-28 | Ig Farbenindustrie Ag | Manufacture of objects of acid-proof material |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5684931A (en) * | 1979-12-14 | 1981-07-10 | Nitto Electric Ind Co Ltd | Preparation of synthetic resin molding having curved space inside thereof |
JPS58212921A (en) * | 1982-06-04 | 1983-12-10 | Aron Kasei Co Ltd | Molding method of plastic hollow product |
JPH0155082B2 (en) * | 1982-06-04 | 1989-11-22 | Aron Kasei Kk |
Also Published As
Publication number | Publication date |
---|---|
DE2922303A1 (en) | 1979-12-06 |
FR2427188A1 (en) | 1979-12-28 |
GB2025836A (en) | 1980-01-30 |
FR2427188B1 (en) | 1982-08-27 |
NL7904259A (en) | 1979-12-04 |
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