Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1990-05-29
1992-01-14
Simmons, David A.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
222DIG1, 2291231, 355260, B32B 3100
Patent
active
050807455
ABSTRACT:
A seal is adapted for temporarily but securely sealing a toner bin, and particularly, a toner bin having a container with a container opening, a sealing surface formed around the container opening, and a container cover structure connected to the container over the container opening so as to form a narrow slot exposed along one side of the toner bin at a slot opening. The seal includes a sealing sheet adapted to be inserted through the slot opening in an inserted position in which the sealing sheet completely covers the container opening and a portion of the container sealing surface around the entire perimeter of the container opening. The sealing sheet includes an adhesive coating positioned on a sealing side thereof, and has an insertion edge at one end and a trailing edge at its opposite end. An adhesive protecting sheet is secured over the adhesive coating on the sealing sheet and includes a first edge generally aligned with the insertion edge of the sealing sheet and a second edge generally aligned with the trailing edge of the sealing sheet. An adhesive exposing member is connected to the first edge of the adhesive protecting sheet and is adapted to be folded over the adhesive protecting sheet from its first edge and to extend out of the toner bin slot opening when the sealing sheet is in the inserted position. With the sealing sheet in the inserted position, the adhesive coating on the sealing sheet may be exposed to form a seal with the container sealing surface by pulling the adhesive exposing member out of the toner bin slot through the slot opening.
REFERENCES:
patent: 3999654 (1976-12-01), Pollack
patent: 4062385 (1977-12-01), Katusha et al.
patent: 4491161 (1985-01-01), Tamura et al.
patent: 4573614 (1986-03-01), Ozawa
patent: 4589579 (1986-05-01), Morita
patent: 4981218 (1991-01-01), Ban et al.
patent: 4984023 (1991-01-01), Yoshida
Culbertson Russell D.
Sells J.
Shaffer, Jr. J. Nevin
Simmons David A.
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