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Olaf Rasmussen


Well-Known Member
One razor that has been a unicorn for many collectors here in the USA is the Olaf Rasmussen Surgical Prep. Before all of you folks on the other side of the pond start scratching their heads thinking that they never heard of a razor produced in Norway, the Olaf Rasmussen company was based in Port Clinton, Ohio. They were granted a patent for this particular razor design in 1948 and unconfirmed sources say they produced razors until 1951. To my knowledge, they never made a commercial razor for the public to buy, and the only examples I saw were those made for the medical profession, similar to the Weck Surgical Prep. Yesterday I received what I believe to be a lesser known version of the Olaf Rasmussen razor that was design for prison and institutional use because it required a key to change the blade, very similar to the more famous Gillette Psycho Tech. Previous to a week ago, I was not aware that such a version existed. I have since found some mention of them, but not much.

When the razor arrived, I trued using my smallest hex nut drivers and all were too large for the opening.


I noticed that the head inside was square, which meant that even if I found a hex nut driver that fit the hole, I would not be able to loosen the head. I went to my local hardware store and looked for anything that might fit and even asked a couple of helpful folks there. We all drew a blank and on my way out, I noticed an area where they sold brass tubing and found a 1/4 inch square tubing that might work. When I got home and unwapped the tubing, it fit perfectly and I was able to release the head.


Once the head came off, I noticed a couple of things. First of all, this was a three piece design which differed from the Gillette Psycho Tech which had the base plate attached to the handle. Secondly, there was no markings anywhere on the inside of the head (or anywhere else on the razor) to indicate that this was an Olaf Rasmussen razor.

DSC03099.JPG DSC03100.JPG

Thirdly, and most importantly, any other handle will work on this razor head, and the original handle will tighten the head. It seems that the key was there just to secure the head after tightening it. There is a small nub at the bottom of the screw post that the nut in the handle locks in place so the razor cannot be disassembled.


The major difference between the head of this version of the Olaf Rasmussen and the Surgical Prep version is that the Surgical Prep version has a large lather slot on the base plate, while this version has none. I don't know the particular reason why.

First shave will be tonight. rasierensmilie


Well-Known Member
Well, this afternoon prior to my shave, I was busy making a key for my razor, even though the head would remain on snug without a key. Never know when I would be running a prison some day. :zek

The key looks very much like one a prisoner would make using parts in the Machine Shop, but it does work. :Eek

DSC03105.JPG DSC03106.JPG

Doing further research, I was able to find a pic of an NOS one which was clearly identified as an Olaf Rasmussen Institutional Razor:

The original key looks just as industrial as the razor. Nothing fancy like the Gillette.

So first shave was tonight. I did not use the lock to prevent me from removing my blade, but just tightened the head to see if I could shave that way without a problem. the razor head stayed in place for most of my shave. I thought that the razor shaved a little on the mild side until I lathered up for my second pass and found that most of my whiskers were gone. As expected, the lack of lather holes did mean that I had to rinse the head more often. In the end I had a two pass near BBS. This razor will definitely be used more and often.

I am not sure yet if I would commit a serious crime just to go to prison so I could use this razor. Maybe I will just lock the head after done. :kaputtlachen1


Well-Known Member
For some completeness I will add a picture of my Olaf Rasmussen which arrived today

It looks like the head is the same, the base plate is the same without lather holes and the handle is different. (Although a standard M5 handle fits mine)

As mentioned by @gvw755, the Olaf Rasmussen company was based in Ohio, USA but he must have inherited some design ideas from his Scandinavian roots.
Olaf Rasmussen.jpg


Well-Known Member
Interesting that the cap has that same short screw with the unthreaded tip. I thought that mine was designed that way so the security bolt in the handle could clamp on to something. Then again, maybe one cap saves manufacturing cost, but then why two different base plate designs? :confused

Still, a great shaving razor no matter what configuration.


Well-Known Member
The Bottom Plate looks the same shape and size, so I'm guessing they they used the same dies to stamp both plates. They just started with one with holes versus one without.
The plate is less than 1mm in thickness so the dies would not have to be too heavy duty.

@gvw755 - Have you tried another handle on yours?


Well-Known Member
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Yes, and it works very well, however the short screw sometimes makes the head loosen up while shaving. Then again, the original handle will also stay in place without tightening the security bolt also needing to make sure the head stays secure between passes and rinsing.

The part that I really found odd with this razor was that it was made strictly for mass volume institutional use (hospitals, prisons, and mental institutions) and was never released for the home market. :confused