Patent ID: 7736736
Filing Date: 2010-06-15
Classification: B05B,C09J,Y10T

Abstract:
1. A masking tape assembly for enabling adjacent portions of a surface to be painted in different colors that meet in a clean border comprising: a first masking tape and a second masking tape each having a first longitudinal edge portion and a second longitudinal edge portion opposite the first longitudinal edge portion, a front, sticky face coated with pressure sensitive adhesive and an opposite, back face; an elongate hinging tape having a front face coated with pressure sensitive adhesive and an opposite, back, non-sticky face, the hinging tape being folded back on itself about a longitudinal fold line forming two elongate flap portions extending along a length of the hinging tape so that non-sticky face portions of respective flaps abut each other; and, a protective tape with a first longitudinal edge portion and a rear non-sticky face; the second masking tape being removably mounted in overlying, back-to-back relation on the first masking tape with the folded hinging tape between them and with the first longitudinal edge portion of the second masking tape maintained in precise overlying alignment with the fold line of the hinging tape and the first longitudinal edge portion of the first masking tape by adhesive on at least one of the front face portions of the flap portions of the hinging tape and on respective faces of respective first edge portions of the first masking tape and first edge portions of the second masking tape, and, the protective tape being removably adhered in overlying, back-to-front relation on the front sticky face of the second masking tape by adhesive on at least one of the front face of the protective tape and on the front face of the second masking tape so as to cover the front, face of the second masking tape and the hinging tape and with the first longitudinal edge portion of the protective tape in precise overlying alignment with the first longitudinal edge portion of the second masking tape, the fold line of the hinging tape and the first longitudinal edge portion of the first masking tape; wherein a lateral width of the second masking tape, as measured between its first and second longitudinal edge portions, is less than a lateral width of the first masking tape, as measured between its first and second longitudinal edge portions, so that the non-sticky face of the first masking tape has a portion which protrudes laterally beyond the second edge portion of the second masking tape, the protective tape having a second longitudinal edge portion opposite its first longitudinal edge portion and which extends beyond the second longitudinal edge portion of the second masking tape to overlap the laterally protruding portion of the first masking tape and has pressure sensitive adhesive securing releasably its second longitudinal edge portion to the protruding portion of the first masking tape to maintain the tape assembly flat; whereby, in operation: the tape assembly can be secured releasably to the surface to be painted in one of the colors by adhering the front face of the first masking tape to one surface portion on one side of a desired border with the first longitudinal edge portions extending along the border; after painting another portion of the surface on an opposite side of the border from the tape assembly with paint which also extends over the overlying, aligned first longitudinal edge portions of the tape assembly and allowing the paint to dry, the adhesive protecting tape can be peeled away to expose the front, sticky face of the second masking tape and the hinging tape unfolded about the longitudinal hinge line to rotate the second masking tape through 180 degrees to bring the front, sticky face of the second masking tape into adhering abutment with the painted wall surface on another side of the border, opposite the one side of the border to which the first masking tape is adhered and with the first edge portion of the second masking tape extending along the border; the first masking tape and hinging tape can then be peeled away to expose an unpainted surface on the one side of the border; the one side of the surface can be coated with paint so that the paint also extends over the first edge portion of the second masking tape; and, the second masking tape can then be removed to expose said another, painted portion of the wall surface meeting the one painted portion of the wall surface in a clean border.