11-12-2014, 12:04 PM
#1
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Comment: I'm not entirely sure where to put this post - we lack a 'more than two edges' subforum Wink

More is better, right? And before we had razors with multiple blades, we had razor blades with multiple edges... and if two edges (DE) is good, then three or four edges must be better!

I suspect that was the line of logic Mr J K Waterman followed in 1909 when he applied for a US patent. In is own words, the object of his invention was to provide to the public:
Quote:...a safety razor which will be adaptable to all portions of the face, and which will have a great extent of cutting edge, and withal will' be simple of construction and convenient of manipulation in assembling and separating its parts...

[Image: US951036-0.png]

The actual design don't look too bad, even if getting the curvature right on the head must have been tricky - a regular DE is a two dimensional curve (yes, even a slant), whereas Mr Waterman's invention required a head curved in three dimensions.

The sticking point with this razor is the blades though... as can be seen in the drawing, they have the shape of a Maltese cross, and would be much costlier and more difficult to manufacture than regular DE blades. Shame really, because the idea of four edges is oddly tempting.

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 11-12-2014, 12:51 PM
#2
  • Gago
  • Active Member
  • Rio de Janeirto
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Intriguing Biggrin

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 11-12-2014, 06:02 PM
#3
  • chamm
  • Expert on nothing
  • Central Ohio
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The blades would certainly be more expensive to start manufacturing, but once you got the line up, I don't think they would be much more expensive than a DE blade. The machines do most of the sharpening, and the overall shape would just be stamped from a sheet, like a DE.

Getting that production line started, though... THAT would cost a large fortune.

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 11-13-2014, 12:26 AM
#4
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(11-12-2014, 06:02 PM)chamm Wrote: The blades would certainly be more expensive to start manufacturing, but once you got the line up, I don't think they would be much more expensive than a DE blade. The machines do most of the sharpening, and the overall shape would just be stamped from a sheet, like a DE.

Except DE blades isn't stamped from a sheet - they are cut from a band. A search in the forum will find at least one link to a video showing how, but in short the band is run through a pair of grinders that puts the edges on, tempered, and cut.

A QE (Quad Edge) would have to be stamped out, then ground and tempered - a more complex (and thus expensive) way to go about it. It won't allow for continuous production either, in the way that DE blades do.

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 11-13-2014, 11:19 AM
#5
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(11-12-2014, 12:51 PM)Gago Wrote: Intriguing Biggrin

+1

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 11-18-2014, 01:04 PM
#6
  • Teddyboy
  • Guilty, with an explanation
  • NYC
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I believe this razor was designed for male conjoined twins. Cool

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 11-23-2014, 01:54 PM
#7
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Imagine a Quad Fusion. 24 edges!

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 11-23-2014, 07:32 PM
#8
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Good grief! I suppose it would be feasible to make. It looks less like a grooming appliance than a instrument of torture. Imagine trying to shave under your nose!
If you want to read a fascinating book read the biography of Gillette.

[Image: Hv7byrJ.jpg]

King C. Gillette, the man and his wonderful shaving device - by Russell B. Adams

You can buy it but most public libraries can get a copy to borrow. He just wouldn't listen to the people who told him it wasn't possible to put a shaving edge on a piece of steel that thin.
Stubborn dog!
Euro

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 07-08-2017, 06:21 PM
#9
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I have in my possession a razor of very similar design that I found at a Florida antique store.

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 07-09-2017, 04:05 AM
#10
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(07-08-2017, 06:21 PM)ordnancetech82 Wrote: I have in my possession a razor of very similar design that I found at a Florida antique store.

That sounds interesting Smile Any possibility of a photo, I've only seen this style of razor in the patent drawings?

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 07-09-2017, 12:13 PM
#11
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There is also the Razolution 4 edge razor from Germany.  I tried one, but found it too gentle to be effective.  Cute though.
[Image: pYzQGMe.jpg]

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