What happened to the metal 35mm film cassettes?

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cmacd123

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as far as wear on my reuseable cassettes, I place a Twin Check tab on the bar code area and note the number of my developing notes. If when the film comes out, the film has excessive fog on the leader or other problems, I fetch the cassette with that number out of the zip lock bag and discard it.
 

AgX

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With no cassette the seal is made from felt but instead velvet is used.

Basically there are several things than can go wrong with these, from design to manufacture. The issue at the moment is the price a small manufacturer has to pay to get decent stock...
 

cmacd123

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With no cassette the seal is made from felt but instead velvet is used.

Basically there are several things than can go wrong with these, from design to manufacture. The issue at the moment is the price a small manufacturer has to pay to get decent stock...

back when ILFORD sold film in Alumium cassettes, the entire cassette was actually lined with a felt like material. you are right that many current ones use a cloth similar to Velour. just like Camera light seals are called "Felt" even if some are made of Black yarn.
 

AgX

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Concerning Felt, you North-Americans got your own terminology...



"back when ILFORD sold film in Alumium cassettes"

You are speaking of cassettes in the current meaning applied here at Apug?
I mean aluminium cassettes would very likely deform at relaoding, unless the metal sheet would be substanially thicker than the steel ones. And I got Ilford ones from 60's and they seem metal-wise same as those from the 70's. But I know you are very knowledgable on cassettes and canisters.
 

cmacd123

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yes, when I got my first rolls of ILFORD FP3 they came in an aluminum cassette with Drawn aluminum end caps and the end caps were held on by a paper label. this would have been early 1960s. when I went back to get another roll a month later, they were the steel ones similar to those that AGFA was using at the time.

to reload those OLD ilford cassettes you had to use some sort of tape to hold the caps in place. (replacing the original label)

Ahah, ebay to the rescue https://www.ebay.ca/itm/185668026651
ilford_alum.png
 
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eli griggs

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The plastic ones' caps are much more easy to close, more so in the dark.

The plastic ones' caps can be locked by tape if one wants to be on the safe side.

This is what I do with my plastic cassettes, a tiny piece of good paper tape (3M) and they are good to go.

If I were concerned with metal caps popping off, I'd do thin strips of gaffers tape.
 

eli griggs

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I have a good number of Leica brass reloadable cassettes, either work in the Barnack and, if I recall correctly, the 'M' as well.

They are a bit longer than the modern cassettes, but built like tanks, with an opening system I believe is still accommodated on 135 bulk loaders.

I wonder if they would work in the Leica CL?


Looking at the new types, actually taking one apart, the body looks to have a dead simple metal form, something that a loader could make for themselves, out of thin yellow brass or phospho bronze from K&S Precision with simple hand tools and an cheap arbor press.

The spool and caps could simply caps from regular film cassettes, though it may be that two cassettes bottom caps are needed for each brass body, due to mangled top caps from bottle openers.

Earlier tonight I watched a YouTube video on making a rig for manufacturing 16 gage steel into boxes and a tiny such platform, mostly wood, might prove ideal for making cassette bodies, perhaps.

At the least, take an old cassette and carefully open and stretch it out, and spend five minutes wondering, "Why couldn't I make this for myself.".
 

Nitroplait

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I have a good number of Leica brass reloadable cassettes, either work in the Barnack and, if I recall correctly, the 'M' as well.
I wonder if they would work in the Leica CL?
Depends which type cassette it is. If FILCA then only Barnarck. IMXOO works in M's up to M6 mid-production.
They do not work with M5 and CL and newer Ms because they don't have the latch in the baseplate to open the cassette.

They are a bit longer than the modern cassettes, but built like tanks, with an opening system I believe is still accommodated on 135 bulk loaders.
The common loaders currently available new; Legacy Pro and Bobinquick types does not.
The Alden type does, but I am not sure if it is available new. Plenty used though.
 

BAC1967

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Has anyone else noticed that the new Ferrania cassettes for P30 are re-useable? Similar to Kodak snap caps. I recently re-loaded one after popping the end off, it snapped right back on.
 

AgX

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Interesting, as neither AP nor Kaiser offer metal reloadable cassettes again.
 
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