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 Всесоюзный заочный машиностроительный институтfiledCriticalВсесоюзный заочный машиностроительный институт
Priority to SU762344258ApriorityCriticalpatent/SU586945A1/en
Application grantedgrantedCritical
Publication of SU586945A1publicationCriticalpatent/SU586945A1/en
(54) СПОСОБ ИЗГОТОВЛЕНИЯ СФЕРИЧЕСКИХ ПОЛУКОРПУСОВ ТРУБОПРОВОДНОЙ АРМАТУРЫ(54) METHOD OF MANUFACTURING SPHERICAL SEMI-CORPS OF PIPELINE ARMATURE
с минимальными допусками, что значительно снижает механическую обработку и вес штамповки.with minimal tolerances, which significantly reduces the machining and weight of stamping.
Claims (1)
1. Авторское свидетельство № 279563, кл. В 21 С 37/29, 1968.1. Copyright certificate № 279563, cl. B 21 C 37/29, 1968.гgФиг. 2FIG. 2
SU762344258A1976-04-151976-04-15Method of making spherical semi-housings of pipe fittings
SU586945A1
(en)