# US 4,397,646 A · Contoured baby diaper

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 4,397,646 A
- Document ID: US4397646A
- Status: Granted
- Kind: A
- Application number: 06/247,100
- Filed: 1981-03-24
- Granted: 1983-08-09
- Earliest claimed: 1981-03-24
- Assignees: Blessings Corporation
- Inventors: Robert C. Daniels; Florence S. Daniels
- Web page: https://patentgrep.com/patent/US4397646A

## CPC

- A61F 13/49004: {with fastening means}
- A61F: FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS (dental prosthetics A61C)

## Abstract

This invention is a diaper that is used repeatedly; and is suitable for such use without deterioration after repeated sterilizations in a diaper laundry.

## Claims

### Claim 1

A cotton fitting diaper comprising flat superimposed layers including top and bottom edges, and concavely curved side edges extending along the mid region of the sides of the diaper to form the leg openings of the diaper when worn said layers including:
(a) a first inner layer of knit cotton material through which moisture may pass, disposed nearest the wearer;
(b) a second, soaker layer joined to said first layer, said second layer being constructed of water absorbent material and being sized smaller than said other layers, said second layer being joined to said first layer about its periphery and centered thereon forming a margin around said second layer free from contact with said second layer;
(c) a third barrier layer of water impervious material, joined to the periphery of said first layer to prevent liquid transfer from said second layer; and
(d) a fourth layer constructed of knit polyester forming the outer layer of said garment, said fourth layer being joined at the periphery to said first and third layers, said third layer preventing the wicking of liquid from said second layer to said fourth layer so that said fourth layer remains dry.

### Claim 2 (depends on 1)

The diaper as claimed in claim 1 further including gatherings disposed about the top, bottom and side edges of the layers of the diaper.

### Claim 3 (depends on 2)

The diaper as claimed in claim 2 wherein said top and bottom gatherings include fastening means for fastening said diaper about the body of wearer.

### Claim 4 (depends on 2)

The diaper as claimed in claim 2 wherein said gatherings include elastic means for closely fitting said diaper about the wearer.

### Claim 5 (depends on 1)

The diaper as claimed in claim 1 wherein said third layer comprises Teflon coated polyester.
