DE297655C - - Google Patents

Info

Publication number
DE297655C
DE297655C DENDAT297655D DE297655DA DE297655C DE 297655 C DE297655 C DE 297655C DE NDAT297655 D DENDAT297655 D DE NDAT297655D DE 297655D A DE297655D A DE 297655DA DE 297655 C DE297655 C DE 297655C
Authority
DE
Germany
Prior art keywords
control
cylinder
slide
connection
working
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.)
Active
Application number
DENDAT297655D
Other languages
German (de)
Publication of DE297655C publication Critical patent/DE297655C/de
Active legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/002—Drive of the tools

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Description

Hierzu 1 Blatt Zeichnungen.1 sheet of drawings.

Claims (1)

Patent-An Spruch:Patent-An saying: Stanze mit Preßluftantrieb, gekennzeichnet durch die Verbindung eines Arbeitszylinders (a) mit einem Steuerschieber (d) in der Weise, daß in der durch den Steuerhebel herbeigeführten unteren Stellung des Schiebers (d) eine Verbindung zwischen dem Arbeitsraum des Arbeitszylinders (a) und sowohl der Druckleitung (h) als auch dem unteren Raum des Steuerzylinders (e) hergestellt wird, so daß bei Freigabe des Steuerhebels der Steuerschieber (d) selbsttätig bis in die Stellung gehoben wird, wo eine Verbindung des Arbeitszylinders mit der Außenluft erfolgt.Punch with Preßluftantrieb, characterized by the connection of an operating cylinder (a) with a control slide (d) in such a way that, in the brought about by the control lever lower position of the slide (d) a connection between the working space of the working cylinder (a) and both the Pressure line (h) and the lower chamber of the control cylinder (e) is established so that when the control lever is released, the control slide (d) is automatically lifted into the position where the working cylinder is connected to the outside air.
DENDAT297655D Active DE297655C (en)

Publications (1)

Publication Number Publication Date
DE297655C true DE297655C (en)

Family

ID=551932

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT297655D Active DE297655C (en)

Country Status (1)

Country Link
DE (1) DE297655C (en)

Similar Documents

Publication Publication Date Title
DE314523C (en)
DE297655C (en)
EP0347562A3 (en) Safety valve
DE199C (en) Relieved shaft pump valve with upper ventilation valve resp. without the latter
DE36505C (en) Pump with hydraulic linkage
DE886718C (en) Hydraulic lifting device for stacking devices
DE19415C (en) Pressure reducing valve
DE212600C (en)
DE181630C (en)
DE1452783C (en) Decorative device with two hydraulic cylinders
DE33511C (en) Triggering valve control
DE11781C (en) Innovations in hydraulic presses
DE11665C (en) Air pump for beer pressure equipment
DE20951C (en) Control for a hammer, which is moved by steam or compressed air
DE184813C (en)
DE895851C (en) Filling valve control for hydraulic presses
DE80546C (en)
DE573791C (en) Sheet metal drawing press with bouncing device
DE51845C (en) Control for air brakes
DE145878C (en)
DE227928C (en)
AT82537B (en) Steam hydraulic forging press with continuously pressurized return cylinders.
DE228252C (en)
DE49761C (en) Pressure reducer with balanced hollow piston valve and shut-off cone
DE3407317C2 (en)