AT320953B - Core for injection molds for the production of pipe bends - Google Patents
Core for injection molds for the production of pipe bendsInfo
- Publication number
- AT320953B AT320953B AT995172A AT995172A AT320953B AT 320953 B AT320953 B AT 320953B AT 995172 A AT995172 A AT 995172A AT 995172 A AT995172 A AT 995172A AT 320953 B AT320953 B AT 320953B
- Authority
- AT
- Austria
- Prior art keywords
- core
- production
- injection molds
- pipe bends
- bends
- Prior art date
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
- B29C45/26—Moulds
- B29C45/261—Moulds having tubular mould cavities
- B29C45/2614—Moulds having tubular mould cavities for manufacturing bent tubular articles using an undercut forming mould core
-
- 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
- B29C33/48—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 with means for collapsing or disassembling
- B29C33/485—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 with means for collapsing or disassembling cores or mandrels
-
- 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
- B29L2031/24—Pipe joints or couplings
- B29L2031/243—Elbows
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722200740 DE2200740A1 (en) | 1972-01-07 | 1972-01-07 | CORE FOR PIPE ELBOWS MADE OF PLASTIC |
Publications (1)
Publication Number | Publication Date |
---|---|
AT320953B true AT320953B (en) | 1975-03-10 |
Family
ID=5832540
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT995172A AT320953B (en) | 1972-01-07 | 1972-11-22 | Core for injection molds for the production of pipe bends |
Country Status (4)
Country | Link |
---|---|
AT (1) | AT320953B (en) |
DE (1) | DE2200740A1 (en) |
FR (1) | FR2167737A1 (en) |
IT (1) | IT973172B (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT355799B (en) * | 1976-12-22 | 1980-03-25 | Eumig Elektrizitaets Und Matel | METHOD FOR PRODUCING A CONTROL TUBE FROM PLASTIC |
NL8100011A (en) * | 1981-01-05 | 1982-08-02 | Wavin Bv | PART CORE FOR A CURVED CAVITY OF A FORMAT AND FORMING WITH A CURVED CAVITY. |
CH654764A5 (en) * | 1982-03-10 | 1986-03-14 | Fischer Ag Georg | METALLIC core puller. |
ES2147482B1 (en) * | 1997-01-10 | 2001-05-01 | Tauvi Sa | NOYO FOR MOLDING OF AN ELBOW IN THE INSIDE OF A MOLD AND PROCEDURE FOR SUCH MOLDING. |
KR20050086489A (en) * | 2002-11-12 | 2005-08-30 | 엔테그리스, 아이엔씨. | Process and apparatus for molding polymer fittings |
EP2332713A1 (en) * | 2009-12-09 | 2011-06-15 | Tool-Tech Holding B.V. | Multi cavity mould for injection moulding elbow fittings |
CN112140473B (en) * | 2020-09-08 | 2022-04-26 | 萧县威辰机电工程设备有限公司 | Plastic forming die of easy-to-open die |
-
1972
- 1972-01-07 DE DE19722200740 patent/DE2200740A1/en active Pending
- 1972-11-22 AT AT995172A patent/AT320953B/en not_active IP Right Cessation
- 1972-12-29 IT IT3388672A patent/IT973172B/en active
-
1973
- 1973-01-05 FR FR7300352A patent/FR2167737A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
IT973172B (en) | 1974-06-10 |
DE2200740A1 (en) | 1973-07-12 |
FR2167737A1 (en) | 1973-08-24 |
FR2167737B3 (en) | 1976-01-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |