GB755187A - Improvements in and relating to extrusion presses - Google Patents

Improvements in and relating to extrusion presses

Info

Publication number
GB755187A
GB755187A GB28766/54A GB2876654A GB755187A GB 755187 A GB755187 A GB 755187A GB 28766/54 A GB28766/54 A GB 28766/54A GB 2876654 A GB2876654 A GB 2876654A GB 755187 A GB755187 A GB 755187A
Authority
GB
United Kingdom
Prior art keywords
nozzle
cylinder
accumulator
closure member
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
Application number
GB28766/54A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schloemann AG
Original Assignee
Schloemann AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Schloemann AG filed Critical Schloemann AG
Publication of GB755187A publication Critical patent/GB755187A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/22—Extrusion presses; Dies therefor
    • B30B11/26—Extrusion presses; Dies therefor using press rams

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Products (AREA)
  • Coating Apparatus (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)

Abstract

755,187. Extrusion presses. SCHLOEMANN AKT.-GES. Oct. 6, 1954 [Nov. 17. 1953], No. 28766/54. Class 87(2) A closure member 7, which is applied to the nozzle 2 of an extrusion cylinder 1 whilst material (e.g. carbon electrode material) is being compressed in the cylinder by a reciprocating plunger 3, is held against the nozzle, as shown, by hydraulic action. Thus, hydraulic pressure passes from pressure accumulator 12 through pipe 11 and non-return valve 10 to a space 9 in a cylinder 4 where it acts on a piston 8 secured to the closure member 7. When the nozzle is to be opened (after the material has been compressed by the plunger) the valve 10 is withdrawn by turning a spindle 15, whereupon the high pressure that has been developed in space 9 by the compression of the material escapes into the accumulator 12. and simultaneously the member 7 detaches itself from the nozzle. Then the cylinder 4, with the whole of the closure mechanism, may be detached from the nozzle by releasing bayonet joints 5, 6. The closure member 7 is applied to the nozzle by means of screwed spindle 19 and handle 20. The upper part 12a of the accumulator is filled with air which may be replenished through a valve 13.
GB28766/54A 1953-11-17 1954-10-06 Improvements in and relating to extrusion presses Expired GB755187A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE755187X 1953-11-17

Publications (1)

Publication Number Publication Date
GB755187A true GB755187A (en) 1956-08-15

Family

ID=6659551

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28766/54A Expired GB755187A (en) 1953-11-17 1954-10-06 Improvements in and relating to extrusion presses

Country Status (1)

Country Link
GB (1) GB755187A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009008818A1 (en) * 2007-07-09 2009-01-15 Sandvik Intellectual Property Ab A hydraulic system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009008818A1 (en) * 2007-07-09 2009-01-15 Sandvik Intellectual Property Ab A hydraulic system

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