2 results about "Volume body" patented technology

The utility model relates to waterproof volume body laying fixed technology field, more specifically, especially relates to a building design waterproof volume laying fixing device. The waterproof layer top both sides are equipped with U -shaped groove, universal wheel sets up in the bottom of first support rod and second support rod, first support rod side is provided with connecting rod, connecting rod is connected with second support rod, waterproof volume rotation sets up between two first support rods, extrusion mounting mechanism and hot melt mechanism front and back arrange mobile setting between two connecting rods, extrusion roller sets up in device last side, extrusion roller rotation sets up between two connecting rods, extrusion mounting mechanism includes first support, hydraulic cylinder and extrusion plate, first support fixed setting in connecting rod top, be provided with through -hole on first support, hydraulic cylinder fixed setting is in first support top, and the output of hydraulic cylinder passes through through -hole and is connected with extrusion plate, and rubber pressure strip fixes waterproof volume edge in U -shaped groove through extrusion plate. The prior art problems are solved.

The present invention provides a roll that can effectively mitigate the step difference caused by the starting end of the winding of a sheet and can suppress contamination. According to one aspect of the invention, a roll (10) is provided, which includes a core (11) and an elongated sheet (12) wound around the outer peripheral surface (11A) of the core (11), wherein the roll includes: a first gap (13) located between the core (11) and the first circumference of the sheet (12) and in contact with the end face (12A) of the starting end (12A) of the first circumference of the sheet (12) in the length direction (DR2); a first filling portion (14) filling the first gap (13) and extending along the width direction (DR1) of the core (11); and a first exposure suppression member (18) suppressing the exposure of the end (14A) of the first filling portion (14) in the width direction (DR1) on the outside of the sheet (12).