FIELD: extrusion. SUBSTANCE: extrusion head has one fixed member and several turning members. They are installed for fastening with head fixed member and pressing said fixed member by means of locking cylinders through detachable joint working in tension with geometric locking between piston rod of locking cylinder and head member. Casings of locking cylinders corresponding to at least one turning member of head are secured to respective head turning member. Casings are located on turning member so that axes of locking cylinders coincide with direction of resultant force acting on head members. Piston rods of locking cylinders are installation for connection with head fixed member. EFFECT: reduced hazard of seal failure of extrusion head. 6 cl, 3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| EXTRUSION HEAD | 0 |
|
SU1554758A3 |
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| 0 |
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| CONCRETE PUMP WITH PLACING BOOM | 2013 |
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RU2638674C2 |
