Method of making a corded earplug
AssigneeMoldex-Metric, Inc.
InventorsMark Magidson, Crest K Turdjiam
Life of this patent
Estimating the term…
Abstract
A corded earplug and a method of making a corded earplug, including providing a flexible cord material. Providing a mold member having at least one mold opening of a shape to produce at least an earplug portion inserting a short portion of the flexible cord material into the interior of the mold opening. Providing plastic material to form the earplug portion, and injecting the plastic material into the mold opening to surround the short portion of the cord material and to integrally form the earplug portion with the short portion of the cord material bonded within the earplug portion.
Claims3
A method of making a corded earplug, including the following steps
- providing a flexible cord material,
- providing a mold member having at least one mold opening of a shape to produce at least an earplug portion,
- inserting a short portion of the flexible cord material into the interior of the mold opening,
- providing plastic material to form the earplug portion,
- injecting the plastic material into the mold opening to surround the short portion of the cord material and to thereby integrally form the earplug portion with the short portion of the cord material bonded within the earplug portion, and
- the mold opening having a shape to produce a back portion of a two piece earplug and inserting the short portion of the flexible cord completely through the mold opening to have the cord extend completely through the back portion of a two piece earplug.
Dependencies are inferred from the claim text.