Ear covering and manufacturing method

Details Ear covering and manufacturing method Ear covering and manufacturing method

2006-06-13

2006-06-13

Calvert, John J. (Department: 3765)

Apparel

Head coverings

Muffs

C002S174000, C002S423000, C002S208000, C002S411000, C002S412000, C002S413000, C002S414000

Reexamination Certificate

active

07058985

ABSTRACT:
An ear covering is produced by sewing first and second cloth layers together along a first closed loop seam, and forming a hole inside the loop and extending through both layers; turning the sewn first and second layers inside out by passing one layer through the opening; then passing one of the layers through a passage in a flexible insert in the form of a distorted, truncated cone; placing a third cloth layer over one of the first and second layers and sewing the first second and third cloth layers along a second closed-loop seam, thereby enclosing the insert within a toroidal enclosure formed by portions of the first and second layers. Afterwards, the assembly is turned inside out to form a cup-shaped receptacle for receiving an external ear, with the second seam in the interior of the receptacle, and with the first seam within the toroidal enclosure.

REFERENCES:
patent: 4872219 (1989-10-01), Duncan
patent: 5243709 (1993-09-01), Sheehan et al.
patent: 5339467 (1994-08-01), Brinkley
patent: 6055672 (2000-05-01), Natvig
patent: 6298493 (2001-10-01), Ambroise

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