Scrub sponge with projection and well
US4469463A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 25, 1983 |
| Grant date | Sep 4, 1984 |
| Priority date | — |
| Expiry date | Apr 25, 2003 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B90/00
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A scrub sponge comprising, a packet having a rupturable wall and a closed chamber containing a liquid scrub agent. The sponge has a cover of foam material having a cavity to receive the packet and enclosing the packet. The sponge also has a puncture member intermediate the cover and the packet and having a pair of generally aligned and spaced arms on opposed sides of the packet beneath the cover, and hinge means connecting the arms adjacent one end of the packet. The puncture member has a sharp projection on one of the arms directed toward the packet to pierce the wall when the arms are pressed toward each other to release the scrub agent into the cover. The puncture member has an opening extending through the one arm adjacent the projection. The other arm has a well defining a recess facing toward the packet, with the recess being aligned with the projection.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.