ES2108602A1 - Improvements to processes for moulding polyester and the like - Google Patents
Improvements to processes for moulding polyester and the likeInfo
- Publication number
- ES2108602A1 ES2108602A1 ES09400099A ES9400099A ES2108602A1 ES 2108602 A1 ES2108602 A1 ES 2108602A1 ES 09400099 A ES09400099 A ES 09400099A ES 9400099 A ES9400099 A ES 9400099A ES 2108602 A1 ES2108602 A1 ES 2108602A1
- Authority
- ES
- Spain
- Prior art keywords
- polyester
- mould
- moulding
- moulding chamber
- countermould
- 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
Abstract
Improvements applicable to the moulding of polyester and the like in which there is a mould and countermould associated with the movable plate and bed of a press for the purposes of determining between both a joint moulding chamber in which the sheet polyester will be deposited in order to be adapted at pressure and temperature in the mould cavities, being characterized in that the moulding chamber is closed hermetically with respect to the outside during the working cycle and is in communication with an external vacuum pump for generating a relative vacuum of the moulding chamber prior to the compression of the polyester mass, including the arrangement of leaktight means on the faces where mould and countermould coincide. These improvements prevent filling defects in narrow and deep areas of the moulds.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9400099A ES2108602B1 (en) | 1994-01-19 | 1994-01-19 | IMPROVEMENTS IN THE PROCEDURES FOR MOLDING POLYESTER AND SIMILAR. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9400099A ES2108602B1 (en) | 1994-01-19 | 1994-01-19 | IMPROVEMENTS IN THE PROCEDURES FOR MOLDING POLYESTER AND SIMILAR. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2108602A1 true ES2108602A1 (en) | 1997-12-16 |
ES2108602B1 ES2108602B1 (en) | 1998-07-16 |
Family
ID=8284964
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES9400099A Expired - Fee Related ES2108602B1 (en) | 1994-01-19 | 1994-01-19 | IMPROVEMENTS IN THE PROCEDURES FOR MOLDING POLYESTER AND SIMILAR. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES2108602B1 (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3640666A (en) * | 1969-09-25 | 1972-02-08 | Monsanto Co | Trim in place thermoforming apparatus |
US3840239A (en) * | 1972-10-26 | 1974-10-08 | Gen Tire & Rubber Co | Compression molding in a vacuum and seal for use therein |
US4267142A (en) * | 1979-10-22 | 1981-05-12 | Lankheet Jay A | Reinforced resin molding method and apparatus |
US4488862A (en) * | 1983-04-25 | 1984-12-18 | The Budd Company | Compression molding apparatus having vacuum chamber |
US4612149A (en) * | 1983-04-25 | 1986-09-16 | The Budd Company | Compression molding a charge using vacuum |
-
1994
- 1994-01-19 ES ES9400099A patent/ES2108602B1/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3640666A (en) * | 1969-09-25 | 1972-02-08 | Monsanto Co | Trim in place thermoforming apparatus |
US3840239A (en) * | 1972-10-26 | 1974-10-08 | Gen Tire & Rubber Co | Compression molding in a vacuum and seal for use therein |
US4267142A (en) * | 1979-10-22 | 1981-05-12 | Lankheet Jay A | Reinforced resin molding method and apparatus |
US4488862A (en) * | 1983-04-25 | 1984-12-18 | The Budd Company | Compression molding apparatus having vacuum chamber |
US4612149A (en) * | 1983-04-25 | 1986-09-16 | The Budd Company | Compression molding a charge using vacuum |
Also Published As
Publication number | Publication date |
---|---|
ES2108602B1 (en) | 1998-07-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GC2A | Exploitation certificate registered application with search report |
Effective date: 20010503 |
|
GC2A | Exploitation certificate registered application with search report |
Effective date: 20030723 |
|
GC2A | Exploitation certificate registered application with search report |
Effective date: 20050607 |
|
GC2A | Exploitation certificate registered application with search report |
Effective date: 20080818 |
|
FD2A | Announcement of lapse in spain |
Effective date: 20180806 |