Method of making a fitted sheet with elastic restraints
US4596618A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 16, 1984 |
| Grant date | Jun 24, 1986 |
| Priority date | — |
| Expiry date | Feb 16, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1092
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Disposable fitted sheets and method for making them. The sheets are formed without necessitating prior cutting by folding edges of the material and attaching the folded-over edges along diagonal lines associated with each corner. Elastic bands cooperate with each pocket to maintain the fit on the corners of the mattress. The bands are fastened in a stretched condition to the folded-over edges while the sheet is in a flat state. The process of the invention is particularly adapted to continuously forming such sheets which may be formed from a variety of inexpensive materials. Sheets of the invention are particularly useful in hospitals and nursing homes where frequent bedding changes may be needed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.