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1. (US4968313) Diaper with waist band elastic

Office : United States of America
Application Number: 07286136 Application Date: 19.12.1988
Publication Number: 4968313 Publication Date: 06.11.1990
Grant Number: 4968313 Grant Date: 06.11.1990
Publication Kind : A
IPC:
A61F 13/15
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
F
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
13
Bandages or dressings; Absorbent pads
15
Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
Applicants: SABEE REINHARDT N
Inventors: Sabee Reinhardt N.
Agents: Fuller, Ryan & Hohenfeldt
Priority Data: 07043255 27.04.1987 US
Title: (EN) Diaper with waist band elastic
Abstract: front page image
(EN)

Disposable garments such as disposable diapers are disclosed that possess improved elastic characteristics. At least one garment outer sheet is composed of a drawable fabric, such as melt blown polymeric fibers or melt spun filaments. An elastic element is affixed in the relaxed condition to a web of outer sheet fabric. The elastic web is then stretched, and simultaneously the web in the area of elastic element attachment is drawn to impart a molecular orientation to the web fibers. As a result, the web fibers are permanently elongated. Upon relaxation of the stretched elastic element, shirrs or gathers are formed in the web fibers that permit subsequent stretching of the elastic element when the garment is worn. One of the outside sheet webs need not be drawable or drawn if it is performed with corrugations or pleats in the region of elastic element attachment. The present invention also includes apparatus for manufacturing the garment. The apparatus includes novel rolls for pre-corrugating one garment sheet and for simultaneously stretching the elastic element and drawing web in the region of elastic element attachment. Alternately, the entire web may be drawn, rather than just in the region of elastic element attachment.