US 5,707,906 AGranted

Needled non-woven fabric

AssigneeMilliken Research Corporation

InventorPaul William Eschenbach

Life of this patent

Estimating the term…

Abstract

Method to produce a nonwoven needled fabric in which the needled fabric includes 15-30% of low melt nylon 6 and nylon 12 fusible fibers to aid in holding the nonwoven fabric together when passed through an oven to melt the fusible fibers and then allow them to cool and bind the fabric together.

Claims4

Dependent claims

A composite nonwoven fabric comprising a plurality of one type of high melt staple fibers blended with a blend of nylon 6 and nylon 12 low melt fusible staple fibers, said low melt fusible fibers having been melted and set to provide cohesion to said composite fabric.

Dependencies are inferred from the claim text.

Facts

Application: 07/833,207Filed 10 Feb 1992 · division
Priority: 26 Oct 1990
Granted: 13 Jan 1998
Term ends: Not estimatedThe source records don’t support an estimate.

Classification11 codes

D04H 1/46
The fleeces or layers being consolidated by mechanical means, e.g. by rolling: by needling or like operations to cause entanglement of fibres
D04H 1/54
From fleeces or layers composed of fibres without existing or potential cohesive properties: by welding together the fibres, e.g. by partially…
D04H 11/08
Non-woven pile fabrics: formed by creation of a pile on at least one surface of a non-woven fabric without addition of pile-forming material, e.g.…
D04H 18/02
Needling machines: with needles

Family

Serial603,434Parent of this continuation-in-part · filed 26 Oct 1990
Serial618,977Parent of this continuation-in-part · filed 28 Nov 1990
Serial719,019Parent of this division · filed 21 Jun 1991
US 5,707,906 AThis patent

From the US filing history. Foreign family members aren’t listed.

Timeline

Citations

Open elsewhere

Building an agent or pulling many patents? Use the API or MCP server instead of scraping pages. Get an API key

patentgrep

Loading patent…

patentgrepSearch patents

Back to results