Envelope

Envelopes – wrappers – and paperboard boxes – Envelope – Including remailing means

Patent

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Details

229 71, 229316, B65D 2704, B65D 2706

Patent

active

058234233

ABSTRACT:
A blank for use in making an envelope has areas 6, 7 and 8 for forming a front panel, a rear panel and an intermediate panel of the envelope. The area 6 is formed with a window 20 through which an address, on the area 8, for a second use of the envelope can be seen. In a first use of the envelope, a piece of paper bearing an address for the first mailing is interposed between the window and the area 8, whereby the address thereon is obscured and the address on the piece of paper can be seen through the window 20. At one end of one of the areas 6 and 7, there is joined to that area, along a line of weakness 21, a tear-off strip 11 and at the corresponding end of the other of the areas 6 and 7 there is joined to that area, but not along a line of substantial weakness, a fold-over area 10 which can be used to seal the envelope, for its second use, after the tear-off strip 11 has been removed. In some examples a sheet of transparent material is stuck by adhesive 14 to the area 7, covering the window, the sheet having a second line of weakness which lies along the first line of weakness 21. The sheet has a major portion joined along the second line of weakness to a minor portion which is stuck by adhesive to the tear-off strip 11 so that it comes off the envelope therewith.

REFERENCES:
patent: 3227360 (1966-01-01), Krueger
patent: 3498528 (1970-03-01), Klein
patent: 3747837 (1973-07-01), Wilson
patent: 4354631 (1982-10-01), Stevenson
patent: 4775095 (1988-10-01), Emmott

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