|Publication number||US3900642 A|
|Publication date||Aug 19, 1975|
|Filing date||Dec 11, 1972|
|Priority date||Dec 17, 1971|
|Also published as||CA971849A, CA971849A1, DE2261606A1, DE2261606B2, DE2261606C3, DE7246026U|
|Publication number||US 3900642 A, US 3900642A, US-A-3900642, US3900642 A, US3900642A|
|Original Assignee||Marcel Michel|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (11), Referenced by (33), Classifications (21)|
|External Links: USPTO, USPTO Assignment, Espacenet|
[ Aug. 19, 1975 1 BINDING STRIP FOR BOOK LEAVES  Inventor: Marcel Michel, 13 Rue du Fort,
Noisy Le Roi, France 22 Filed: Dec. 11, 1972 211 Appl. No.: 314,242
 Foreign Application Priority Data Dec. 17, 1971 France 71.45465  US. Cl. 428/40; 156/252; 156/289;
156/291; 24/D1G.l 1; 428/124; 428/138; 281/45; 282/29 R; 282/D1G. 2
2,842,883 7/1958 Folwell et a1. 117/122 3,437,506 4/1969 Falberg 1 17/685 X 3,523,638 8/1970 Moonan.... 117/122 3,618,754 11/1971 Hoey 117/122 X 3,741,786 6/1973 Torrey 117/122 X Primary liraminerBernard D. Pianalto Attorney, Agent, or Firm--Young & Thompson [5 7] ABSTRACT An adhesive binding strip comprising a flexible outer sheet having a medial transverse fold, a coating of pressure-sensitive adhesive extending substantially completely over the inner surface of said outer sheet, an inner sheet secured to said outer sheet by said pressure-sensitive adhesive and having openings therethrough which expose areas of said pressure-sensitive adhesive which are distributed to either side of said fold for contact with leaves to be bound, said areas of pressure-sensitive adhesive to one side of said fold being entirely out of registry with said areas of pressure-sensitive adhesive to the other side of said fold when the strip is folded together, and a coating of anti-adhesive material over substantially the entire inner surface of said inner sheet.
3 Claims, 12 Drawing Figures PATENTEDAUBISIQYS 3,900,642
3111i 2 BF 2 FIG.12
1 BINDING STRIP FOR BOOK LEAVES.
My invention has for its object an adhesive binding strip providing an easy and speedy assembling. of book leaves. Said binding strip includes conventionally a paper or the like tab folded back and carrying an anti adhesive coat associated with I adhesive areas distrib-. uted in a manner such that, at least asc'oncernsthe sec-' However, according to apreferred embodiment of my invention, it is duplicated and includes a first elementary strip or sheet the inner surface of which is entirely coated with an adhesive and a second elementarystrip or sheet covering the first one and secured thereto by the adhesive, the outer surface of said second sheet being coated with an anti-adhesive coat and provided with openings such that the adhesive on the first sheet appears to view through them, so as to form adhesive areas such, that upon folding of the composite strip along the fold each adhesive area registers with a silicone or the like coated portion of the second sheet. Such an embodiment furthers the insertion in the strip of the leaves to be assembled.
One side of the binding strip may project beyond the other side or else its free edge may be provided with a cut off portion, which also furthers the insertion of the leaves to be assembled.
According to a preferred embodiment, the nonregistering adhesive areas are provided in those parts of the strip which are, farthest from the fold while the parts nearest the fold carry two adhesive areas which register with each other when the strip is folded, so as to bind the leaves, the successive binding strips being secured side by side to a cover so as to form the actual binding.
I have described hereinafter by way of example and by no means in a limiting sense, various embodiments of my improved binding strip, reference being made to the accompanying drawings wherein:
FIG. 1 is a perspective view of a first embodiment.
FIG. 2 shows the same strip as FIG. 1 as used for assembling leaves together.
FIG. 3 is a perspective view of a modification.
FIG. 4 is an elevational view of a further embodiment.
FIG. 5 shows the same strip as FIG. 4 in a folded condition.
FIG. 6 shows a modification of the strip shown in FIG. 4.
FIG. 7 shows a further modification of lastmentioned strip.
FIG. 8 shows the strip according to FIG. 7 in a folded condition.
2. FIG. 11 is aview si ilar to. FIG. 9.; of a different strip. FIG l2'shows acomplete binding formed by strips such as those illustrated in FIG. 9 to .11.. i
FIG. 9 is a cross-sectional view of a strip, ready for The binding strip illustrated in FIGS. 1 and 2 is constituted by a small'sheet of paper or the like material such as a yielding plasticmaterial folded back along a medial line of fold x 1- y. Said sheet carries, on the inner surface of each of its sides separated by the fold, on'the one hand,- an'anti-adhesive coat 2 made e.g. of a silicone and, on theother hand, two or more adhesive areas formed in predetermined parts of the inner surface which are devoid of silicone, the adhesive areas on one side of the strip being out of registry with the adhesiv'e areas on the opposite side when the strip is folded along its line of fold. v Y
The adhesive areas 3 on the two sides of the sheet 1 adhere only weakly and transiently to the siliconecoated surfaces facing them upon fol ding of the strip, so that it is an easy matter to'unfold the latter.
When it is desired to bind sheets such as 4, the two sides of the strip are shifted ap a d the leaves are in se rted therebetween and the sides-of the strip are urged into contact with the sheets; The adhesive areas 3 stick to the outer surfaces of the leaves which are thus bound together. i
One side of thestrip may project partly beyond the sidefacing it beyond the fold as shown at 5 in FIG. 2,
so as to further the spacing apart of the sidcsarid the insertion of the sheets therebetween. Similarly andffor the samev purpose, one side may edge as shown at 6 in FIG. 3. a
Turning to FIGS. 4 and 5, the binding strip is constituted by a sheet 7 one surface of whioh'is entirely be cut off along its coated by an adhesive applied under pressure, said sheet being covered by a second sheet 8 the outer surface of which is coated with silicone. Openings 9 are provided in the second sheet 8, so that the adhesive on the sheet 7 appears to view through said openings and forms thus adhesive areas 10 similar to the areas 3 of FIG. 1. The distribution of the openings 9 is such that when the strip is folded along its fold, each area 10 is in contact with a siliconecarrying portion of the sheet 8 and adheres weakly and transiently thereto;
When the strip is unfolded, the leaves 4 are positioned therebetween and pressure is applied to the strip, which results in that the adhesive areas 10 are strongly secured to the leaves.
This latter embodiment shows the advantage consisting in that the leaves when inserted between the sides of the strip, slide unobstructedly into position, since the adhesive areas 10 appearing through the openings 9 are sunk with reference to the sides over which they slide and which are constituted by the silicone coated parts of the second sheet 8.
The openings 9 may be of a circular shape as illustrated in FIGS. 4 and 5, or triangular as shown by FIG. 6 or again square as shown by FIGS. 7 and 8. As in the case of the preceding embodiments, one side of the strip may project beyond the latter as illustrated in FIGS. 4, 5 and 6 or be provided with a cut off edge 6 (FIGS. 7 and 8).
According to a modification, adhesive areas 10 may register with one another when the strip is folded, pro vided the second sheet 8 is sufficiently thick for these areas to remain normally apart until pressure is exerted. I
The 'strip may form a binding strip to be positioned I beyond and'over the inner edges of one or more sheets as illustrated in FIGS. 9 to 11. In such a case. the adhesive areas 9 or 10 are restricted to the parts of the sides farthest from the fold which are to come into Contact with the sheets to be bound. Furthermore two adhesive areas registering with each other when the strip is folded are provided on the inner surfaces of the'latter in the vicinity of the line of fold. In the case of a strip constituted by two sheets 7 and 8, these two adhesive areas are defined by openings 11 formed in the second or inner sheet 8.
It is apparent thatvthe strip when folded includes a portion 12 adjacent the fold which is constituted by the two portions of the strip lying to either side of the fold and adhering, strongly to each other so as to form the base of the binding strip, the remainder of which is similar to the precedingly described strip.
As illustrated in FIG. 12,, it is possible to execute a binding by securing side by side on i the inside of a cover, the bases" 1 2 of a number of binding strips of the type illustrated in lFlGS. ,9"to 11. Each leaf 4 or group of leaves is inserted, as mentioned precedingly, in the corresponding binding strip whereby it is thus held fast in the cover 13.
Obviously, my invention should not be considered as restricted to the embodiments described or illustrated andit covers, in contradistinction all the modifications thereof falling within the scope of the accompanying claimsjln particular, the outer surface of the strips, that is'the outer surface of the sheet 1 in the case illustrated in FIGS. 1 and 2 or the outer surface of the sheet 7, in the case illustrated in FIGS. 4 to 8 can becoated by an anti adhesive layer. such as a silicone layer. This allows the binding strips to be supplied in an unfolded condition with a weakened transverse line defining the future fold, the strips'being then packed in superposition or else they may-be folded and slid inside one another withoutany practical risk of adherence between said strips The shects:1 or 7 may also be metallized and when pressure is exerted on the sheet, the metal coat is deformed and the adhesive remains urged against the leaf 4 to be assembled.
Whatl claim is: I I
1. An adhesive'binding strip comprising a flexible outersheet having a medial transverse fold, a coating of pressure-sensitive adhesive extending substantially completely over the inner surface of said outer sheet, an'inner sheet secured to said outer sheet by said pressure-sensitive adhesive and having openings therethrough which expose areas of said pressure-sensitive adhesive which are distributed to either side of said fold for contact with leaves to be bound,- said areas of pressure-sensitive adhesive to one side of said fold being en'- tirely out of registry with said areas of pressuresensitive adhesive to the other side of said fold 'when the strip is folded together, 'and' a coating of antiadhesive material over substantially the entire inner surface of said inner sheet.
2. A strip as claimed in claim 1, one free edge of said strip being cut off. v
3. A strip as claimed in claim 1, the portions of said strip immediately adjacent said fold being secured to each other by pressure-sensitive adhesive material thereby to define a rigid ribbed base for said strip adjacent the fold.
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|U.S. Classification||428/40.1, 462/901, 156/252, 428/124, 156/289, 428/198, 412/901, 156/291, 428/138, 281/45|
|International Classification||B42F3/00, B42F19/00, B42F5/00|
|Cooperative Classification||Y10S462/901, Y10S412/901, B42F19/00, B42F5/00, B42F3/00|
|European Classification||B42F5/00, B42F19/00, B42F3/00|