ES376748A1 - Improvements in hydraulicly powered molds attachments. (Machine-translation by Google Translate, not legally binding) - Google Patents
Improvements in hydraulicly powered molds attachments. (Machine-translation by Google Translate, not legally binding)Info
- Publication number
- ES376748A1 ES376748A1 ES376748A ES376748A ES376748A1 ES 376748 A1 ES376748 A1 ES 376748A1 ES 376748 A ES376748 A ES 376748A ES 376748 A ES376748 A ES 376748A ES 376748 A1 ES376748 A1 ES 376748A1
- Authority
- ES
- Spain
- Prior art keywords
- pressure source
- tubular element
- translation
- chamber
- primary valve
- 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
- 239000012530 fluid Substances 0.000 abstract 3
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
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
- B29C45/64—Mould opening, closing or clamping devices
- B29C45/67—Mould opening, closing or clamping devices hydraulic
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
Improvements in hydraulically actuated mold clamping assemblies, of the type comprising a main body having a longitudinally extended main chamber subdivided into inner and outer chamber by a coaxial inner tubular element communicating respectively with the chamber of an inner closing ram and a larger effective piston area outer clamping ram, a primary valve for establishing the supply of hydraulic fluid from a pressure source and selectively only to the inner line, or both lines, and a secondary cap-shaped valve surrounding if internal tubular element and axially movable between open and closed positions, respectively, to establish and cut the communication between the external duct and a pre-fill source, characterized in that said bush has a radial clearance in relation to the internal tubular element to provide a intermediate space for l bringing fluid from the pressure source into the outer chamber, and because a primary valve body that closes the end of the gap is fitted with at least one primary valve element to cut or admit fluid from the pressure source into the gap and at least one actuating element to move the bush from its open position to its closed position. (Machine-translation by Google Translate, not legally binding)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB920869 | 1969-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES376748A1 true ES376748A1 (en) | 1972-05-01 |
Family
ID=9867504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES376748A Expired ES376748A1 (en) | 1969-02-20 | 1970-02-20 | Improvements in hydraulicly powered molds attachments. (Machine-translation by Google Translate, not legally binding) |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS4841935B1 (en) |
| AT (1) | AT298716B (en) |
| BE (1) | BE746310A (en) |
| BR (1) | BR7016843D0 (en) |
| CA (1) | CA925263A (en) |
| CH (1) | CH504962A (en) |
| DK (1) | DK125829B (en) |
| ES (1) | ES376748A1 (en) |
| FR (1) | FR2031554B1 (en) |
| GB (1) | GB1289124A (en) |
| IL (1) | IL33895A (en) |
| NL (1) | NL7002369A (en) |
| SE (1) | SE366234B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7177176B2 (en) | 2018-10-17 | 2022-11-22 | 富士フイルム株式会社 | Projected image display materials, windshield glass and head-up display systems |
| EP4036644B1 (en) | 2019-09-27 | 2025-04-23 | FUJIFILM Corporation | Projector for head-up display |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2127324A (en) * | 1936-10-10 | 1938-08-16 | Bliss E W Co | Prefill valve for hydraulic presses |
-
1969
- 1969-02-20 GB GB920869A patent/GB1289124A/en not_active Expired
-
1970
- 1970-02-13 IL IL33895A patent/IL33895A/en unknown
- 1970-02-17 FR FR7005558A patent/FR2031554B1/fr not_active Expired
- 1970-02-19 DK DK82070AA patent/DK125829B/en unknown
- 1970-02-19 NL NL7002369A patent/NL7002369A/xx unknown
- 1970-02-19 BR BR216843/70A patent/BR7016843D0/en unknown
- 1970-02-19 AT AT153570A patent/AT298716B/en not_active IP Right Cessation
- 1970-02-19 CA CA075262A patent/CA925263A/en not_active Expired
- 1970-02-20 BE BE746310D patent/BE746310A/en unknown
- 1970-02-20 CH CH244570A patent/CH504962A/en not_active IP Right Cessation
- 1970-02-20 ES ES376748A patent/ES376748A1/en not_active Expired
- 1970-02-20 JP JP45014484A patent/JPS4841935B1/ja active Pending
- 1970-02-20 SE SE02224/70A patent/SE366234B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BR7016843D0 (en) | 1973-03-29 |
| SE366234B (en) | 1974-04-22 |
| CA925263A (en) | 1973-05-01 |
| FR2031554B1 (en) | 1974-08-09 |
| IL33895A0 (en) | 1970-04-20 |
| BE746310A (en) | 1970-07-31 |
| GB1289124A (en) | 1972-09-13 |
| DK125829B (en) | 1973-05-14 |
| NL7002369A (en) | 1970-08-24 |
| DE2007504A1 (en) | 1970-09-17 |
| FR2031554A1 (en) | 1970-11-20 |
| IL33895A (en) | 1974-03-14 |
| JPS4841935B1 (en) | 1973-12-10 |
| AT298716B (en) | 1972-05-25 |
| CH504962A (en) | 1971-03-31 |
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