| 摘要 |
The invention provides improved masking for monolithic panes, insulating glass units, and other substrates. In some embodiments, the protective covering comprises a plurality of strips of masking material. In some embodiments, the protective covering (which may take the form of a single masking sheet or of multiple masking strips) is sized, shaped, and positioned such that an oversized masked portion of a pane surface has a lesser area than the pane surface itself but has a greater than an exposed central region of the pane surface that remains exposed (i.e., is left uncovered) by a frame when the pane is mounted in the frame. In some embodiments, a pane is mounted to a frame such that at least one edge of the pane is received in the frame. The pane has a protective covering disposed over a masked portion of a major surface of the pane. This major surface has an unmasked apron between an outer periphery of the protective covering and an outer periphery of the pane. The protective covering is sized, shaped, and positioned such that at least one peripheral side portion of the protective covering extends at least somewhat beneath a confronting surface of the frame.
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