Textiles: manufacturing – Textile product fabrication or treatment – Fiber entangling and interlocking
Patent
1976-06-21
1978-01-10
Newton, Dorsey
Textiles: manufacturing
Textile product fabrication or treatment
Fiber entangling and interlocking
A61L 1500
Patent
active
040670872
ABSTRACT:
Procedures for continuously forming rosette shaped tampons from aggregate containing tubular sacks or overwraps having withdrawal strings at one end and assembling the tampons in inserters, rotary transfer mechanism being provided for engaging the withdrawal strings of the sacks and sequentially delivering them to a rotary assembly turret having a multiplicity of assembling stations mounted around its periphery. Each inserter comprises inner and outer parts, and feeding means are provided to individually feed and position an inner inserter and an outer inserter in holders at each assembly station. Each station has a reciprocating string engaging rod which acts to remove a sack by its string from the transfer mechanism and positions the sack to be drawn upwardly by vacuum into an overlying annular inversion chamber wherein the sack is inverted into rosette shape by the action of a pressure-vacuum reciprocating inversion rod. The shaped sack is then moved downwardly into an underlying compression cone wherein it is radially compressed and drawn downwardly into an underlying cylindrical compression chamber, whereupon the outer inserter is positioned to overlie the compression chamber and the inner inserter, which underlies the compression chamber, is moved upwardly by a reciprocating assembly rod which causes the inner inserter to push the compacted tampon upwardly into the overlying outer inserter, and at the same time the upper end of the inner inserter engages within the outer inserter to complete the assembly. The assembled inserter is then transferred from the assembly station to a discharge wheel for delivery to a collection station or other mechanism for wrapping, packaging, or the like as the rotary assembly turret completes its cycle of operation.
REFERENCES:
patent: 2458685 (1949-01-01), Crockford
patent: 2690598 (1954-10-01), Bletzinger et al.
patent: 3875615 (1975-04-01), Muckenfuhs
Newton Dorsey
The Procter & Gamble & Company
LandOfFree
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