Half a croissant, on a plate, with a sign in front of it saying '50c'
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wavy sliced bread

slice bread so the surface is rippled like some potatoe chips.
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new way to slice bread. a machine thsat would slice bread so the surface is rippled or wavy with waveleangth 0.25 to 0.5. inches and amplitide 0.125 to 0.250 inches.
quick, Jan 15 2003

Gaffe with an 'e' at the end http://www.capitalcentury.com/1992.html
[FarmerJohn, Oct 04 2004]

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       It would be tricky as you wouldn't be able to get a sawing action going with a corrugated blade. The idea of crinkle cut toast does appeal though, so if you can say how it could be done you might get some takers. Perhaps a laterally-corrugated samurai sword, or lasers of course?
sild, Jan 15 2003
  

       use the same knife that they use for the chips of course
po, Jan 15 2003
  

       This would make really strange toast. Burned at the peaks and barely done in the troughs but it would hold plenty of Marmite
oneoffdave, Jan 15 2003
  

       I pictured something along the lines of a razor sharp guillotine. – fast enough so no sawing is required.
Shz, Jan 15 2003
  

       Or a thin band saw would do it. Sandwiches wouldn't slip apart. +   

       quick: Were you a quick spelling study to Dan Quayle (link)?
FarmerJohn, Jan 15 2003
  

       If it was cut with a laser you could have any profile you like, and your bread would be nicely toasted.
hippo, Jan 15 2003
  

       The guy I share a house with already makes this every time he slices a loaf with the bread knife
dare99, Jan 15 2003
  

       Weird: I just annotated this one. Anyway, as stated, the technical term for "wavy" in this context is "crinkle cut".
DrCurry, Jan 15 2003
  

       // use the same knife that they use for the chips of course //   

       "Ripple chips" are apparently produced by extruding a thick paste made from potato starch, modified maize starch, thickeners, emulsifiers and an alarming substance which is chemically almost identical to wallpaper adhesive through a rippled nozzle, then cutting it into oval disks which are then deep fried in very hot fat. No cutting is involved.   

       The bandsaw idea is good, [FJ]. I don't think a guillotine - however sharp - would work; and the blade would loose its edge quite fast.   

       How about cutting a thicker-than-normal slice of bread, and then machining away the unwanted material ? This could be done easily if the bread was frozen. There'd be quite a lot of swarf (breadcrumbs) but this could be recycled into other foodstuffs.
8th of 7, Jan 15 2003
  

       [Admin: [quick] - I've deleted "bread slicing" which was the duplicate copy of this idea you created]
hippo, Jan 15 2003
  

       Surely the bandsaw method could only produce a straight edge? I think [po] is talking about the corrugated knives you use to produce your own chips, but I can't see this working either as you need to saw - you can't just cut.
sild, Jan 15 2003
  

       An electric knife/saw that is zig-zag shaped (looking down on the blade as it cuts) which vibrates back and forth at a very high frequency but with a very small amplitude ( 1mm).   

       This could cut down and leave a ridged slice. You can then use a butter knife with teeth to evenly spread butter on top.   

       <pedant> [8th] : //cutting it into oval disks ... No cutting is involved.// </pedant>
Jinbish, Jan 15 2003
  

       sild: Surely like cutting out a jigsaw puzzle, the loaf is constantly changing angle with the saw leaving a ripple cut.
FarmerJohn, Jan 15 2003
  

       Yes, [FJ], that was how I visualised it as well. Again, freezing the loaf first would make cutting easier.
8th of 7, Jan 15 2003
  

       Yeah.
This could work by adding extra widgets to the bread-slicing machine (which is an array of thin vibrating saws in a box).
  

       This would indeed be the best thing since sliced bread.   

       For what it's worth 8th of 7, my Mother used to make crinkle-cut chips* by cutting whole potatoes with a special gadget which was basically a wavey blade. Unfortunately she stopped using it in favour of straight cut chips when there was a health scare about the amount of fat people eat.   

       *Chips have a typically square cross-section and are about 8-12mm to a side. You might call them something else like french fries, I dunno.
Loris, Jan 15 2003
  

       Certainly hard to do with a sawing action. Laser-cut bread, perhaps?   

       No, wait - turn the bread on its side and use a wire following a wiggly path instead of a blade. Should work fine.   

       Btw, I have a very dim memory of seeing an electric carving knife leave ripple edges on chicken meat. I have not used an electric carving knife since, so I don't know if the unit was malfunctioning or if that is standard.
dalek, Jan 15 2003
  

       No it wouldn't be that hard to saw.
what is needed is the action of a 'jig-saw' (These are presumably used to make jigsaws)
  

       To make a curved cut (with sawing action) you need a saw with a narrow blade, so it can rotate inside the cut. To cut the bread many times you would have one blade for each slice you wanted, less one.
I imagine these would be linked together so they would rotate in unison, with the speed of a cam (relative to the progression of the bread) setting the wavelength of the waves.
  

       I'd draw a diagram but I've nowhere to put it, so an analogy will have to do. Think of train wheels. Their movement is all synchonised by braces, so several sets of wheels can be driven by one motor.
Loris, Jan 15 2003
  

       Ultra-High-Pressure Waterjet technology is routinely used for slicing baked goods, paper, meat, etc.(without added abrasives) as well as a broad range of structural/ aerospace materials (usually with a crushed garnet abrasive medium mixed into the stream). CNC control with U,V and C axes available in addition to customary X,Y and Z. In food and paper processing applications, the velocity of the (up to 85,000 psi) jet is sufficient to prevent *any* moisture from being absorbed into the material you are cutting, they even use it to cut toilet paper. So, you want wavy bread? Simply generate your desired form in CAD format and slice to your heart's content. I would post a link, but a quick Google will produce information on literally hundreds of waterjet applications.
X2Entendre, Jan 15 2003
  

       Drinking 17 cups of espresso prior to cutting could have a positive effect on the desired results.
rickstix, Jan 16 2003
  
      
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