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A4
BINDERS
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The
first thing you need to establish is how much paper is going into
the binder. This can be calculated or measured using the guide below.
The
Duraweld Binder-Fast® range for A4 binders uses the six most
common capacities: 15mm, 20mm, 25mm, 30mm, 40mm and 50mm.
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A
round ring or a D-ring? |
| A
ROUND RING is usually rivetted on the spine of the binder and enables
the pages to be turned easily and quickly. (Beware the rivets hitting
pockets or print on the spine). |
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| A
D-RING is mounted on the back cover and presents the pages as a book
block yet allows easy turning. (The flush edge is needed if using
tabbed dividers). |
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Number
of rings? |
| 2
RINGS: 2 rings are the most economic and also the most suitable
for use when the simple additions to the binder are envisaged (most
offices have a two hole punch). Not suitable for heavy use since
the pages are more likely to tear out. Ring centres at 80mm. |
| 2
rings are stocked in the following capacities: 2 Round Rings
15, 20, 25, 30, 40 and 50mm. 2 D-Rings 15, 20, 25, 30, 40 and
50mm. |
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| 3
RINGS: Mostly used when the binder is housing pages going to or
coming from the United States (nearly all loose=leaf supplies in the
USA are based on three rings). 3 Rings also prevents the transfer
of pages to and from other binders since most will be two or four
hole punched. Ring centres at 108 - 108mm. |
| 3
Rings are stocked in the following capacities: 3 Round Rings
20, 25, 30, 40 and 50mm. 3 D-Rings 20, 25, 30, 40 and 50mm. |
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| 4
RINGS: The commonest form of fitting, keeping all the pages straight.
Has the least risk of tearing the pages in heavy use. Ring centres
at 80 - 80 - 80mm. |
| 4
Rings are stocked in the following capacities: 4 Round Rings
15, 20, 25, 30, 40 and 50mm. 4 D-Rings 15, 20, 25, 30, 40 and
50mm. (The 4D 50mm mechanism has an extra centre rivet for greater
strength). |
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Standard
binder dimensions. |
| Capacity |
Measurement
A |
Measurement
B |
Measurement
C |
Measurement
D |
Measurement
E |
| A4 15mm |
311mm |
535mm |
250mm |
26mm |
4.5mm |
| A4 20mm |
311mm |
546mm |
252mm |
33mm |
4.5mm |
| A4 25mm |
311mm |
557mm |
255mm |
38mm |
4.5mm |
| A4 30mm |
311mm |
572mm |
260mm |
43mm |
4.5mm |
| A4 35mm |
311mm |
581mm |
263mm |
46mm |
4.5mm |
| A4 40mm |
311mm |
592mm |
265mm |
53mm |
4.5mm |
| A4 45mm |
311mm |
621mm |
276mm |
60mm |
4.5mm |
| A4 50mm |
311mm |
637mm |
279mm |
70mm |
4.5mm |
| A4 55mm |
311mm |
648mm |
282mm |
75mm |
4.5mm |
| A4 65mm |
311mm |
671mm |
286mm |
90mm |
4.5mm |
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DURAWELD
LIMITED - Salter Road, Scarborough, N. Yorks, YO11 3UP, UK. Tel: +44
1723 584091 Fax: +44 1723 581509
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