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2 089 320

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IPC

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Application

95114662/02, 1995-08-14

(22)

Actual filing date

1995-08-14

(45)

Published

1997-09-10

(72)

Inventor

Nazartsev N.I.Frolov A.A.Miroshnik G.N.Cherevatov F.I.

(73)

Holder

Aktsionernoe Obshchestvo

METHOD OF MANUFACTURING FLASKS OF METALLIC THERMOS Russian patent published in 1997 - IPC

Abstract RU 2089320 C1

FIELD: manufacturing Thermoses. SUBSTANCE: method comprises producing sheet blanks of the bottom with side cylindrical wall and top portion which goes into a converging neck, heat working of the envelope, calibration, cutting the bottom in the neck, and knurling and threading the collar. The flanges to be joined are then formed, allowance is cut, and flanges are joined and welded. EFFECT: simplified method. 2 dwg

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RU 2 089 320 C1

Authors

Nazartsev N.I.

Frolov A.A.

Miroshnik G.N.

Cherevatov F.I.

Dates

1997-09-10—Published

1995-08-14—Filed

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