| 摘要 |
FIELD: storage.SUBSTANCE: invention relates to storage and distribution of rolled sheet materials. Hollow cylindrical core element is configured to support roll absorbing sheet material. Core element comprises a central axis, outer cylindrical surface and inner cylindrical surface. Inner cylindrical surface comprises engagement means. Engagement means is made with possibility of rotary lock of core element. Engagement means comprises at least one elongated groove and/or protrusion. Groove and/or protrusion extends spirally along inner cylindrical surface. At least one long protrusion extends along central axis.EFFECT: possibility of rotation of blocking roll on shaft of dispenser, speed and simple replacement of said element.16 cl, 9 dwg |
