Talk:Binder clip

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[edit] Invention legend

Were binder clips really invented in Norway, or by someone of Norwegian descent? That addition is un-referenced, and anonymous. If anyone can corroborate, please do. --Joel 00:55, 21 December 2005 (UTC)

Having read the paperclip article, it seems there's a myth that paperclips in general were invented in Norway (rather than the Byzantine empire), and since in many languages "binder" means paperclip, I can see how that confusion might have spread to this page. I've removed the claim.--Joel 18:29, 6 April 2006 (UTC)

[edit] Manufacture

How is the pre-tension created in the clip?

This is only speculation, but I believe the sheet steel starts out with a W shape, and the concave bend in the center is flattened to form a Δ shape. A slight bend remains in the "flat" bottom of the triangle, and I can't imagine another reason for it to be there, other than as part of the pre-tensioning.--Joel 18:17, 6 April 2006 (UTC)

[edit] Sizes

I thought they came in lots of sizes eg 25mm. Clearly, this being Wikipedia, the whole subject requires much more attention. How about a separate article for each kind and size of binder clip. m.e. 10:12, 18 October 2006 (UTC)

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