Patent ID: 7347640

Claim:
A binder for releasably binding a plurality of loose-leaves comprising: a conduit casing having a conduit; a spine embedded within said conduit; a plurality of binder rings attached to said spine; each of said binder rings rotatable relative to said conduit; an actuator for opening all of said binder rings substantially together; said spine is rotatably disposed in said conduit as a pivot about which said conduit casing is rotatable; said conduit casing is made of a sheet of material and has a wrapping portion defining said conduit and a planar portion, thickness of said sheet when said wrapping portion is unwrapped is less than diameter of said conduit; said planar portion for attaching said conduit casing with a complementary cover portion during subsequent assembly; whereby a subassembly can be manufactured independently of said complementary cover portion to facilitate efficiencies in component manufacturing, packaging, distribution and assembly.