Title:
Continuous mechanized production of tubeless tire safety rings
United States Patent 2980161
US Patent References:
/0311409.html
- - 0311409

/0993308.html
- - 0993308

Mold
- - 1888702

Method and apparatus for making thermoplastic tubing
- - 2140213

Method of making safety tubes
- - 2253759


Inventors:
Howard, Frank A.
Publication Date:
04/18/1961
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Assignee:
Howard, Frank A.
Primary Class:
264/145
Other Classes:
264/152, 264/285
International Classes:
B29C53/04; B29C53/46; B29C53/00
US Patent References:
2294621Molder
2505146Process and apparatus for stretching continuous sheet materials
2559591Method for making safety tubes
2623571Method of splicing tubular articles
2665732Valve for tubeless tire diaphragms
2698042Air-sealing tire liner
2768673Machine for forming bags
2772719Method of welding rubber articles
2793675Truck tube splicing method
Foreign References:
FR1063219A