US3737278A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mould closing means
Assignee: Battenfeld Maschinenfabriken GmbH
•
Filing: 1972-01-13
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Granted: 1973-06-05
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Expires: 1992-01-13
Abstract
Abstract A mould closing means, in particular for die-casting and injection moulding machines for metals and synthetic materials, having a fixed mould support plate received on pillars, a fixed end plate and a mould support plate, which can be moved between the latter from the open into the closed position, by means of at least two piston-cylinder arrangements engaging the fixed mould support plate or the end plate, a pressure element serving to produce the closing pressure being secured to the end plate, and a pressure plate being located thereon which can be swung from the engaged position between the pressure element and movable mould support plate, about a pillar, into a disengaged position, which is mounted to move axially and which can be infinitely adjusted to various lengths, which is characterized in that the swinging lever supporting the pressure plate is received on the pillar in a pivot bearing fixed in axial direction, and the pressure plate is received in the swinging lever so as to be axially movable against the action of springs, the travel of the springs being smaller than the stroke of the pressure element.
Inventors
- 👤 F Putzler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:40
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/64; B29C45/67; B29C45/6707; B29C45/6714; B29C45/6721
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
185 words
Mould closing means, in particular for die-casting and injection moulding machines for metals and synthetic materials, having a fixed mould support plate received on pillars, a fixed end plate and a mould support plate, which can be moved between the latter from the open into the closed position, by means of at least two piston-cylinder arrangements engaging the fixed mould support plate or the end plate, a pressure element serving to produce the closing pressure being secured to the end plate, and a pressure plate being located thereon which can be swung from the engaged position between the pressure element and movable mould support plate, about a pillar, into a disengaged position, which is mounted to move axially and which can be infinitely adjusted to various lengths, characterized in that the swinging lever supporting the pressure plate is received on the pillar in a pivot bearing fixed in axial direction, and the pressure plate is received in the swinging lever so as to be axially movable against the action of springs, the travel of the springs being smaller than the stroke of the pressure element.
Claim 2
Dependent Claim
185 words
Mould closing means, in particular for die-casting and injection moulding machines for metals and synthetic materials, having a fixed mould support plate received on pillars, a fixed end plate and a mould support plate, which can be moved between the latter from the open into the closed position, by means of at least two piston-cylinder arrangements engaging the fixed mould support plate or the end plate, a pressure element serving to produce the closing pressure being secured to the end plate, and a pressure plate being located thereon which can be swung from the engaged position between the pressure element and movable mould support plate, about a pillar, into a disengaged position, which is mounted to move axially and which can be infinitely adjusted to various lengths, characterized in that the swinging lever supporting the pressure plate is received on the pillar in a pivot bearing fixed in axial direction, and the pressure plate is received in the swinging lever so as to be axially movable against the action of springs, the travel of the springs being smaller than the stroke of the pressure element.
Claim 3
Dependent Claim
26 words
Mould closing means aCcording to claim 1, characterized in that the travel of the spring can be adjusted by adjustable stops located on the pressure plate.
Claim 4
Dependent Claim
58 words
Mould closing means according to claim 1, characterized in that the swinging lever consists of several, preferably three bars spaced apart parallel to each other, which support at one end a sleeve serving as pivot bearing and secured on the pillar against axial movement and at the other end are formed as bearing sleeves receiving the pressure plate.
Claim 5
Dependent Claim
97 words
Mould closing means according to claims 1, characterized in that the pressure plate, consisting of a threaded sleeve and a die received in the latter and provided with external threads, has on the end of the sleeve facing the pressure element a plate overlapping its diameter which plate is provided, on the periphery, with pressure springs abutting against the adjacent side face of the bearing sleeve of the swinging lever and in that the threaded sleeve is provided with stops abutting the other side face, of the bearing sleeve of the swinging lever and formed as screws.
Claim 6
Dependent Claim
62 words
Mould closing means according to claims 1, characterized in that a support embracing the pillar supporting the swinging lever and secured to the pillar, adjacent thereto is located between two bars of the swinging lever, on the end whereof remote from the swinging lever, a piston-cylinder arrangement is pivoted, the piston of which engages the swinging lever in its approximately center region.
References Cited (Backward Citations)
US3687590A
Cited
US3699593A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-04 | 1976-12-04 | 1977-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-04 | 1980-12-04 | 1981-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-04 | 1984-12-04 | 1985-06-05 | $7700.00 | Window Closed / Lapsed |