Cheng Chin Wu

US Patent:

50834142, Jan 28, 1992

Filed:

Feb 15, 1991

Appl. No.:

7/657160

Inventors:

Cheng M. Wu - Cerritos CA

International Classification:

A61F 544

US Classification:

53429

Abstract:

This invention relates to a method for packaging birth control and disease preventing device that has sheath and shield, and more particularly to a method having steps including: pleats the protecting shield toward tubular sheath forming a pleated star-like shape near the closed end of the sheath, bends the pleated star-like shape portion of the shield close to the tubular sheath forming a whirled-like cylindrical tubular, rolls the secure-and-rolled-up ring in the longitudinal direction toward the closed end of the sheath, and packs the rolled-up device into a water proof sealed container.

US Patent:

51561654, Oct 20, 1992

Filed:

May 6, 1991

Appl. No.:

7/695584

Inventors:

Cheng M. Wu - Cerritos CA

International Classification:

A61F 600

US Classification:

128844

Abstract:

This invention relates to a birth control and disease preventing device, and more particularly to a device having a large pubic elastic shield (40) integrated about a secure-and-rolled-up (toroidal) ring (28) which is integrated about the open end (26) of a tubular portion that is configured as a conventional condom. The pubic shield has a stationary upper portion (42) and two movable lower portions (44), (46), and has a folding portion (48) between the movable portion to improve the protection of the area around the pubic and the scrotum when the user's legs are in different positions.