Paired earplug construction

Details Paired earplug construction Paired earplug construction

1978-04-28

1980-03-18

Recla, Henry J.

Surgery

Truss

Pad

181DIG1, 181135, A61F 1102

Patent

active

041933966

ABSTRACT:
Disclosed herein is a tethered earplug construction comprising a pair of plasticized thermoplastic foam earplugs tethered together by one or more flexible plasticized thermoplastic cord elements. Attachment of the cord element to the earplug is achieved by ultrasonic welding.

REFERENCES:
patent: Re29487 (1977-12-01), Gardner, Jr.
patent: D245202 (1977-07-01), Asker
patent: 2230738 (1941-02-01), Baum

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