Patenton — panteon of patents

(19)

RU

(11)

2 020 014

(13)

C1

(51)

IPC

(21) (22)

Application

4948741/27, 1991-05-12

(22)

Actual filing date

1991-05-12

(45)

Published

1994-09-30

(72)

Inventor

Gromov Р.G.Lukhmanov А.А.Shevnjuk Ju.V.

(73)

Holder

Nauchno-Issledovatel'Skij Institut Aviatsionnoj Tekhnologii I Organizatsii Proizvodstva

METHOD FOR FORMING PARTS OF HIGH STRENGTH DIFFICULT-TO-DEFORM SHEET BLANKS Russian patent published in 1994 - IPC

Abstract RU 2020014 C1

FIELD: plastic metal working. SUBSTANCE: method consists in sheet forming in the state of superplasticity in two stages. First stage is effected with use of hollow insert in form of truncated cone. Central angle of insert is determined by calculation. EFFECT: higher efficiency. 4 dwg

Similar patents RU2020014C1

Title Year Author Number
APPARATUS FOR SHEET TYPE PIECES EXTRUSION 1991
  • Sizov E.S.
 RU2023524C1
METHOD AND APPARATUS FOR DEEP DRAWING OF HOLLOW SHEET PARTS 1993
  • Sizov E.S.
 RU2087230C1
METHOD TO PRODUCE HOLLOW PIECES 1991
  • Sizov E.S.
 RU2023521C1
DIE SET FOR END FORMING OF PARTS FROM HOLLOW BLANKS 1992
  • Matsnev V.N.
  • Lipgart M.V.
 RU2043808C1
BRANCH PIPES PRODUCTION METHOD 1992
  • Zhukov M.B.
  • Gur'Eva I.P.
  • Sotnikov V.S.
  • Shevnjuk Ju.V.
 RU2036762C1
METHOD FOR FORMING HOLLOW PARTS FROM FLAT SHEET BLANKS 1993
  • Sizov E.S.
 RU2082524C1
APPARATUS FOR MAKING HOLLOW ARTICLES 1991
  • Sizov E.S.
  • Alaverdov V.R.
 RU2023522C1
DIE FOR STEP FORMING OF GROOVE OF ALTERNATIVE LENGTH 0
  • Permyakov Aleksandr Konstantinovich
  • Shishkin Aleksandr Aleksandrovich
 SU1770003A1
METHOD OF MULTIROW PROGRESSIVE LOW-WASTE FORMING 1994
  • Sizov E.S.
  • Boguslavskij B.Z.
  • Alaverdov V.R.
  • Baburin M.A.
 RU2109588C1
METHOD OF HOLLOW PIECES DRAWING FROM SHEET TYPE METAL 1991
  • Sizov E.S.
 RU2023523C1

RU 2 020 014 C1

Authors

Gromov Р.G.

Lukhmanov А.А.

Shevnjuk Ju.V.

Dates

1994-09-30—Published

1991-05-12—Filed

read Similar patents