초록 ▼

A self-adhesive tape is presented for concealing or “finishing”joints between adjacent wallboard panels in the construction of simulated monolithic wall surfaces. The finishing tape comprises an elongate substrate having opposing first and second surfaces and terminating in opposing side edges, firs

A self-adhesive tape is presented for concealing or “finishing”joints between adjacent wallboard panels in the construction of simulated monolithic wall surfaces. The finishing tape comprises an elongate substrate having opposing first and second surfaces and terminating in opposing side edges, first and second layers of a cementitious first adhesive disposed on the first surface of the substrate adjacent each opposing side edge of the substrate and a pressure-sensitive second adhesive disposed on the first surface of the substrate generally along a central portion of the substrate. When pressed over a joint formed by abutting edges of adjacent wallboard panels, portions of the cementitious first adhesive are caused to flow from beneath each side edge of the substrate to occupy recessed areas adjacent each opposing side edge of the substrate, and the pressure-sensitive second adhesive occupies an area between the substrate and the wallboard panel surfaces and bonds the substrate and the adjacent wallboard panels to form a substantially rigid structure, whereby the substrate forms over the joint a flush continuous surface with the adjacent wallboard panel surfaces.

대표청구항 ▼

A wallboard assembly comprising: at least two wallboard panels disposed adjacent one another, each said wallboard panel having a face surface and a tapered margin surface adjacent its edge adjacent the opposing wallboard panel so that the tapered margin surfaces of the adjacent wallboard panels coll

A wallboard assembly comprising: at least two wallboard panels disposed adjacent one another, each said wallboard panel having a face surface and a tapered margin surface adjacent its edge adjacent the opposing wallboard panel so that the tapered margin surfaces of the adjacent wallboard panels collectively define a shallow V-shaped recessed area along the joint between said wall board panels; a substrate having opposing first and second surfaces and terminating in opposing side edges and having a central portion disposed between said opposing side edges, said substrate having a width slightly narrower than the dimension of the recessed area in the plane of the face surfaces of the wallboard panels; a first layer of a first adhesive disposed on the first surface of the substrate adjacent at least one said side edge, said first adhesive comprising an aqueous gypsum compound; a second layer of said first adhesive disposed on the first surface of the substrate adjacent the opposite said side edge; and a second adhesive disposed along the central portion of the first surface of said substrate between the first and second layers of said first adhesive, said substrate applied to the joint between said adjacent wallboard panels with a portion of said first layer of said first adhesive extending out from beneath said first side edge to occupy an area between said first side edge of the substrate and an intersection point of the face surface and the tapered margin surface on the adjacent wallboard panel, and a portion of said second layer of said first adhesive extending out from beneath said second side edge to occupy an area between said second side edge and an intersection point of the face surface and the tapered margin surface on the adjacent wallboard panel, and the second adhesive disposed on the central portion of the first surface of said substrate occupies an area between the substrate and the tapered margin surfaces of each said wallboard panels, thereby bonding the tape and the wallboard panels in a substantially permanent fixed relationship.