RO87461B1 - Hydraulic cylinder with return valve - Google Patents

Hydraulic cylinder with return valve

Info

Publication number
RO87461B1
RO87461B1 RO115444A RO11544484A RO87461B1 RO 87461 B1 RO87461 B1 RO 87461B1 RO 115444 A RO115444 A RO 115444A RO 11544484 A RO11544484 A RO 11544484A RO 87461 B1 RO87461 B1 RO 87461B1
Authority
RO
Romania
Prior art keywords
thin
deformation
hydraulic cylinder
return valve
walled
Prior art date
Application number
RO115444A
Other languages
Romanian (ro)
Other versions
RO87461A2 (en
Inventor
Ioan Puie
Ioan Valescu
Petru Botas
Original Assignee
îNTREPRINDEREA DE VAGOANE
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 îNTREPRINDEREA DE VAGOANE filed Critical îNTREPRINDEREA DE VAGOANE
Priority to RO115444A priority Critical patent/RO87461B1/en
Publication of RO87461A2 publication Critical patent/RO87461A2/en
Publication of RO87461B1 publication Critical patent/RO87461B1/en

Links

Landscapes

  • Mutual Connection Of Rods And Tubes (AREA)
  • Valve Housings (AREA)

Abstract

Inventia se refera la o îmbinare de tevi cu pereti subtiri utilizata în constructia bicicletelor, a unor vehicule fara motor sau a unor aparate de zbor care prezinta un schelet metalic alcatuit din tevi metalice. îmbinarea, conform inventiei, se deosebeste de îmbinarile cunoscute prin aceea ca, în scopul maririi rigiditatii ansamblului în functionare, mansonul interior este prevazut cu una sau mai multe gauri dispuse radial avînd niste margini subtiate, în care patrunde, prin deformare la rece, materialul mansonului exterior si al tevii cu pereti subtiri, astfel ca dupa deformare îmbinarea prezinta în zona deformata cîte o adîncitura.The invention relates to a combination of thin-walled pipes used in the construction of bicycles, of non-motor vehicles or of flight apparatuses having a metallic frame made up of metallic pipes. the joint according to the invention differs from the known joints in that, in order to increase the rigidity of the assembly in operation, the inner sleeve is provided with one or more radially spaced holes having thin edges in which it penetrates by cold deformation the sleeve material outer and thin-walled pipe, so that after deformation the joint shows a deformation in the deformed area.

RO115444A 1984-08-07 1984-08-07 Hydraulic cylinder with return valve RO87461B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO115444A RO87461B1 (en) 1984-08-07 1984-08-07 Hydraulic cylinder with return valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO115444A RO87461B1 (en) 1984-08-07 1984-08-07 Hydraulic cylinder with return valve

Publications (2)

Publication Number Publication Date
RO87461A2 RO87461A2 (en) 1985-08-31
RO87461B1 true RO87461B1 (en) 1985-08-31

Family

ID=20115401

Family Applications (1)

Application Number Title Priority Date Filing Date
RO115444A RO87461B1 (en) 1984-08-07 1984-08-07 Hydraulic cylinder with return valve

Country Status (1)

Country Link
RO (1) RO87461B1 (en)

Also Published As

Publication number Publication date
RO87461A2 (en) 1985-08-31

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