| 摘要 |
FIELD: fixing devices used in light industry and related branches of industry for manufacture of detachable joints. ^ SUBSTANCE: button-type fastener has male part with head, female part with base and inner circular channel, and flexible head holder made in the form of flexible toroid-shaped member placed within said channel. Toroid-shaped member has composite section and side surface formed as spring and foreign substance within cavity defined by spring. ^ EFFECT: reliable joining provided by button-type fastener and prolonged service life. ^ 6 cl, 5 dwg |
