Free 173 Best Homemade Tools eBook:  
Get 500+ tool plans, full site access, and more.

User Tag List

Results 1 to 3 of 3

Thread: Retreaded tire vacuum curing envelope - GIF

  1. #1
    Content Editor
    Supporting Member
    Altair's Avatar
    Join Date
    Aug 2013
    Posts
    6,927
    Thanks
    1,052
    Thanked 17,183 Times in 5,442 Posts

    Retreaded tire vacuum curing envelope - GIF

    Retreaded tire vacuum curing envelope.




    Previously:

    Digital tire tread depth gauge - GIF
    Tire tread stacking machine - GIF
    Tire tread wear indicator - photo
    Tire changer - video
    Large tire mold - GIF

    173 Best Homemade Tools eBook

  2. The Following User Says Thank You to Altair For This Useful Post:

    that_other_guy (Mar 9, 2022)

  3. #2
    Supporting Member metric_taper's Avatar
    Join Date
    Mar 2017
    Location
    Marion, Iowa
    Posts
    472
    Thanks
    141
    Thanked 199 Times in 122 Posts

    metric_taper's Tools
    I worked for a summer as a kid doing tire repair. The place also was a Bondag cold cap repair for semi truck tires. I only worked there a few times when they needed an extra hand. They would grind the old tread off, and they had preformed tread material that would get rolled on with a thin rubber glue strip. Then they would put it in this same rubber outer envelope, and a split rim was put in from either side. It would go into an autoclave with 30 or so other tires. Each tire had a airline to the inner and outer to pressurize. They autoclave was a pressure vessel as well, and I think the thermal cure was done overnight. This was in 1975. I don't see Bondag around anymore. They also sold hot cap retreads for automotive. And I don't see them anymore either, but they were done in some factory where the old tread was ground off, and new tread injection molded onto the carcass.
    For truck tires, the best carcasses were Michelin, as they could be redone 4-5 times. Memory was this was around a half million miles.
    It was a good job for the summer as I learned to use tire spoons and remove truck and automotive tubeless tires, and I still do my own tires today. And I got a dynamic balancer so spin balance myself as well. And I don't have to wait to have it done in the shop.

  4. #3
    Supporting Member NeiljohnUK's Avatar
    Join Date
    Dec 2017
    Posts
    382
    Thanks
    39
    Thanked 151 Times in 106 Posts

    NeiljohnUK's Tools
    I ran Bandag capped tyres on min-vans and my rally car in the 1970's, not sure just how good they'd be now on modern high silica faster degenerating tyres (I have motorcycle tyres over 60 years old still in good condition, modern tyres are scrap in 7 years... Bandag still exist BTW.



    173 Best Homemade Tools eBook

Thread Information

Users Browsing this Thread

There are currently 1 users browsing this thread. (0 members and 1 guests)

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •