STAMPED PRECISION CARTRIDGE CASE Russian patent published in 2017 - IPC B21D51/54

Abstract RU 2607853 C2

FIELD: metal processing.

SUBSTANCE: invention relates to metal forming and can be used in producing cartridge cases in one sequential molding machine. Performing of circular section elongated bar blank cold forging by means of tool, providing diameter increase and formation of recesses on each end of blank with formation of intermediate partition between said recesses. Then, performing blank drawing, containing one of recesses to form thin wall and cavity for charge and bullet placement, after that, at said machine station performing cutting of elongated thin wall free end to produce even edge. Then, workpiece part containing other recess upsetting is performed in workpiece embracing segmented matrix to obtain final shape of cartridge case head with slot for extractor.

EFFECT: enabling accuracy of dimensions and expanded performances.

5 cl, 18 dwg

Similar patents RU2607853C2

Title	Year	Author	Number
BLANKED PRECISION CARTRIDGE CASE	2013	Khej, Tomas E. Karper, Dzheffri V. Vasserman, Stenli Dzh.	RU2732462C1
METHOD OF MANUFACTURE OF SMALL ARMS CARTRIDGE CASES	1996	Evdokimov A.K. Kamajkin N.K. Evdokimov V.A.	RU2113309C1
METHOD OF PRODUCING CARTRIDGE CASES FOR SMALL ARMS	2010	Gumenjuk Jurij Ivanovich Spasenko Nikolaj Vasil'Evich Jashkin Viktor Alekseevich Stepanov Nikolaj Vasil'Evich Zakhar'Jashchev Valerij Vasil'Evich Kainov Nikolaj Grigor'Evich Danilin Gennadij Aleksandrovich Troshin Vasilij Georgievich	RU2446908C2
METHOD OF PRODUCING CARTRIDGE CASES FOR SMALL ARMS	2010	Gumenjuk Jurij Ivanovich Spasenko Nikolaj Vasil'Evich Jashkin Viktor Alekseevich Stepanov Nikolaj Vasil'Evich Zakhar'Jashchev Valerij Vasil'Evich Kainov Nikolaj Grigor'Evich Danilin Gennadij Aleksandrovich Troshin Vasilij Georgievich	RU2446909C2
METHOD FOR MANUFACTURE OF SMALL ARMS CARTRIDGE CASE	2000	Solovov A.A. Lepin V.N. Vorob'Ev S.P. Mikhajlov A.I. Solomin N.P. Gel'Fond V.L. Zolotukhin V.I. Kamajkin N.K.	RU2176573C1
METHOD TO MANUFACTURE SMALL ARMS CARTRIDGE CASES	2010	Gumenjuk Jurij Ivanovich Spasenko Nikolaj Vasil'Evich Jashkin Viktor Alekseevich Zakhar'Jashchev Valerij Vasil'Evich Stepanov Nikolaj Vasil'Evich Kainov Nikolaj Grigor'Evich Troshin Vasilij Georgievich Danilin Gennadij Aleksandrovich	RU2433012C1
ELONGATED CARTRIDGE SHELL	2018	Karper, Dzheffri V. Snejvli, Kristofer V.	RU2750069C2
METHOD OF MAKING CARTRIDGE CASE FROM ALUMINUM ALLOY FOR SMALL ARMS	2023	Lobov Vasilii Aleksandrovich Frolova Ekaterina Olegovna	RU2819725C1
METHOD OF MAKING "BOXER" IGNITER CAPSULES	2015	Kislin Mikhail Aleksandrovich Zykov Viktor Arkadevich Malikov Azkhat Akhatovich	RU2580544C1
METHOD FOR MANUFACTURING OF STEEL ARMOUR-PIERCING CORES AND DEVICE FOR ITS REALISATION	2008	Panfilov Gennadij Vasil'Evich Panfilov Rodion Gennad'Evich Khvostov Evgenij Jur'Evich	RU2380190C1

RU 2 607 853 C2

Authors

Khej, Tomas, E.

Karper, Dzheffri, V.

Vasserman, Stenli, Dzh.

Dates

2017-01-20—Published

2013-09-04—Filed