FIELD: process engineering.
SUBSTANCE: invention discloses building core for assembly of uncured tire or pneumatic cushion with the help of rubber elements. Said building core comprises central shaft and case to be fitted thereon. Said case is articulated with said shaft by pin displacing to position of coupling between shaft and case and to uncoupling position for said case to be removed from said central shaft. Said case includes extra retainer with retaining pin. Retaining pin at coupling position can engage with connecting pin to lock the latter. Retaining device comprises retaining element in position whereat retaining pin does not engage with connecting pin it is arranged to prevent connection of lines and/or allows indication of improper attachment of the case.
EFFECT: perfected design.
20 cl, 8 dwg
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