Abstract: A rivet assembly includes a tube with first and second ends and a spiral thread formed on an inner surface extending from the first end to a first axial extent, and a bolt formed to engage the tube thread to a second axial extent less than the length of the tube.

Abstract: In a binder such as a window binder having two opaque thermoplastic sheets sandwiching therebetween front and rear panels, a spine panel, and an outer clear panel forming a window over the spine panel and the front and rear panels, the spine has a depression or slot for receiving a spine label without substantial friction that would inhibit the insertion and removal of the spine label. The spine panel may either be sandwiched between the two opaque sheets, or it may be disposed on the outside of both of the opaque sheets, and the slot may be either open or closed at the side that faces the label printing. When disposed on the outside of the opaque sheets, the spine panel may be colored to provide a colored spine for an otherwise white or differently colored window binder.

Abstract: In a binder such as a window binder having two opaque thermoplastic sheets sandwiching therebetween front and rear panels, a spine panel, and an outer clear panel forming a window over the spine panel and the front and rear panels, the spine has a depression or slot for receiving a spine label without substantial friction that would inhibit the insertion and removal of the spine label. The spine panel may either be sandwiched between the two opaque sheets, or it may be disposed on the outside of both of the opaque sheets, and the slot may be either open or closed at the side that faces the label printing. When disposed on the outside of the opaque sheets, the spine panel may be colored to provide a colored spine for an otherwise white or differently colored window binder.

Abstract: In a binder such as a window binder having two opaque thermoplastic sheets sandwiching therebetween front and rear panels and a spine panel and an outer clear thermoplastic panel forming a window over at least the spine, the outer surface of the spine panel has a depression formed in it such that the spine is thicker or otherwise raised near its vertical edges, and thinner or otherwise depressed between the raised portions. The opaque sheet covering the outward face of the spine panel is sufficiently flexible so as to deflect inwardly into the depression in the spine panel. The deflection of the thermoplastic sheet into the spine depression allows a spine label to be inserted into the pocket between the thermoplastic sheet with relatively little force.