Books – strips – and leaves – Book – element thereof – or accessory therefor – Covers
Patent
1989-03-29
1990-01-16
Bell, Paul A.
Books, strips, and leaves
Book, element thereof, or accessory therefor
Covers
412 3, 281 34, 281 35, 283 64, 156251, B42D 300
Patent
active
048938378
ABSTRACT:
A protective book covering including a relatively long piece of sheet material and a relatively short piece of sheet material overlaying the long piece, the longitudinal edges of the two sheets being sealed together. A seal and tear line extending transverse to their longitudinal edges joins the two pieces and forms a line of severance along which the pieces can be torn to produce two units, each unit having a pocket adjacent to the seal and tear line for accommodating one of the covers of a book. One of the units has a section, extending from the pocket of that unit, long enough to wrap around the spine of the book, and be secured to the other unit. The sheet material is preferably transparent plastic. The book covering can be made in a continuous manner by providing independent lengths of relatively wide and relatively narrow plastic sheet material, and placing the lengths in face-to-face contact so that their longitudinal axes extend in the same direction. The two lengths are heat sealed together along a line parallel to their longitudinal axes but spaced form their longitudinal edges, and both lengths are heat sealed together and severed along lines transverse to their longitudinal axes. A strip of adhesive may be applied along one longitudinal edge of the wide length of material.
REFERENCES:
patent: 3572767 (1970-03-01), Learned
patent: 3891240 (1975-06-01), DuCorday
patent: 4497508 (1985-02-01), McHugh
patent: 4800110 (1989-01-01), DuCorday
Garman Charles L.
Pugliese Joseph S.
Bell Paul A.
Brodart Co.
Hamill Jr. Thomas
Levine Alan H.
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