US5346516A — Non-woven abrasive material containing hydrogenat…

Claim 1

Independent Claim 93 words

A non-woven abrasive material comprising: a lofty, open, three dimensional web of non-woven fibers randomly intertwined; abrasive particles carried by said web with at least some of the particles distributed within the interior of the web; binder material in the web bonding said fibers together and bonding said abrasive particles to the fibers; said web containing voids constituting a substantial portion of the volume of the three dimensional web; and hydrogenated vegetable oil in solid form coating said fibers, particles and binder material at the surface of the web and within said voids.

Claim 2

Dependent Claim 93 words

A non-woven abrasive material comprising: a lofty, open, three dimensional web of non-woven fibers randomly intertwined; abrasive particles carried by said web with at least some of the particles distributed within the interior of the web; binder material in the web bonding said fibers together and bonding said abrasive particles to the fibers; said web containing voids constituting a substantial portion of the volume of the three dimensional web; and hydrogenated vegetable oil in solid form coating said fibers, particles and binder material at the surface of the web and within said voids.

Claim 3

Dependent Claim 54 words

A non-woven abrasive material as recited in claim 1, including a protective coating covering said solid form hydrogenated vegetable oil at the surface of the web and within said voids and adapted to be broken by forces encountered during an abrading operation to expose the hydrogenated vegetable oil for contact with a work surface.

Claim 4

Dependent Claim 19 words

A non-woven abrasive material as recited in claim 2, in which said protective coating is a resinous plastic binder.

Claim 5

Dependent Claim 25 words

A non-woven abrasive material as recited in claim 1, in which said hydrogenated vegetable oil has a melting point of at least about 130° F.

Claim 6

Dependent Claim 26 words

A non-woven abrasive material as recited in claim 1, in which said hydrogenated vegetable oil has a melting point between about 130° F. and 180° F.

Claim 7

Dependent Claim 23 words

A non-woven abrasive material as recited in claim 1, in which said hydrogenated vegetable oil has a melting point of about 146° F.

Claim 8

Dependent Claim 33 words

A non-woven abrasive material as recited in claim 1, in which said hydrogenated vegetable oil is selected from the group consisting of cottonseed oil, palm oil, rapeseed oil, soybean oil, and mixtures thereof.

Claim 9

Dependent Claim 33 words

A non-woven abrasive material as recited in claim 2, in which said hydrogenated vegetable oil is selected from the group consisting of cottonseed oil, palm oil, rapeseed oil, soybean oil, and mixtures thereof.

Claim 10

Dependent Claim 28 words

A non-woven abrasive material as recited in claim 1, in which said hydrogenated vegetable oil consists essentially of a mixture of cottonseed oil, palm oil and rapeseed oil.

Claim 11

Dependent Claim 45 words

A non-woven abrasive material as recited in claim 1, in which said hydrogenated vegetable oil consists essentially of the following oils in about the specified proportions by weight: ______________________________________ hydrogenated cottonseed oil 8 parts hydrogenated palm oil 20 parts hydrogenated rapeseed oil 72 parts. ______________________________________

Claim 12

Dependent Claim 25 words

A non-woven abrasive material as recited in claim 10, in which said hydrogenated vegetable oil has a melting temperature of at least about 130° F.

Claim 13

Dependent Claim 54 words

A non-woven abrasive material as recited in claim 4, including a protective coating covering said solid form hydrogenated vegetable oil at the surface of the web and within said voids and adapted to be broken by forces encountered during an abrading operation to expose the hydrogenated vegetable oil for contact with a work surface.

Claim 14

Dependent Claim 54 words

A non-woven abrasive material as recited in claim 8, including a protective coating covering said solid form hydrogenated vegetable oil at the surface of the web and within said voids and adapted to be broken by forces encountered during an abrading operation to expose the hydrogenated vegetable oil for contact with a work surface.

Claim 15

Dependent Claim 19 words

A non-woven abrasive material as recited in claim 12, in which said protective coating is a resinous plastic binder.

Claim 16

Dependent Claim 34 words

A non-woven abrasive material as recited in claim 10, including a protective coating of resinous plastic binder covering said solid form hydrogenated vegetable oil at the surface of the web and within said voids.

Claim 17

Independent Claim 89 words

The method that comprises: applying hydrogenated vegetable oil to a lofty, open, three dimensional web of non-woven fibers carrying abrasive particles at least some of which are distributed within the interior of the web, with binder material bonding said fibers together and bonding said particles to the fibers; flowing some of said hydrogenated vegetable oil in melted form into voids within said web; and cooling said hydrogenated vegetable oil to solid form coating said fibers, particles and binder material at the surface of the web and within said voids.

Claim 18

Independent Claim 89 words

The method that comprises: applying hydrogenated vegetable oil to a lofty, open, three dimensional web of non-woven fibers carrying abrasive particles at least some of which are distributed within the interior of the web, with binder material bonding said fibers together and bonding said particles to the fibers; flowing some of said hydrogenated vegetable oil in melted form into voids within said web; and cooling said hydrogenated vegetable oil to solid form coating said fibers, particles and binder material at the surface of the web and within said voids.

Claim 19

Dependent Claim 24 words

The method as recited in claim 16, in which said hydrogenated vegetable oil is melted at a temperature of at least about 130° F.

Claim 20

Dependent Claim 31 words

The method as recited in claim 16, in which said hydrogenated vegetable oil is selected from the group consisting of cottonseed oil, palm oil, rapeseed oil, soybean oil, and mixtures thereof.

Claim 21

Dependent Claim 38 words

The method as recited in claim 16, including coating said hydrogenated vegetable oil at the surface of the web and within said voids with a protective layer adapted to be broken by forces encountered during an abrading operation.

Claim 22

Dependent Claim 20 words

The method as recited in claim 19, in which said protective layer is formed of a resinous plastic binder material.

Claim 23

Independent Claim 111 words

The method that comprises: applying hydrogenated vegetable oil in granular solid form to a surface of a lofty, open, three dimensional web of non-woven fibers carrying abrasive particles at least some of which are distributed within the interior of the web, with binder material bonding said fibers together and bonding said abrasive particles to the fibers; heating said granular hydrogenated vegetable oil to melting temperature and thereby converting it to liquid form; flowing some of said melted hydrogenated vegetable oil into voids within said web; and cooling said hydrogenated vegetable oil to solid form coating said fibers, particles and binder material at the surface of the web and within said voids.

Claim 24

Independent Claim 111 words

The method that comprises: applying hydrogenated vegetable oil in granular solid form to a surface of a lofty, open, three dimensional web of non-woven fibers carrying abrasive particles at least some of which are distributed within the interior of the web, with binder material bonding said fibers together and bonding said abrasive particles to the fibers; heating said granular hydrogenated vegetable oil to melting temperature and thereby converting it to liquid form; flowing some of said melted hydrogenated vegetable oil into voids within said web; and cooling said hydrogenated vegetable oil to solid form coating said fibers, particles and binder material at the surface of the web and within said voids.

Claim 25

Dependent Claim 38 words

The method as recited in claim 21, including coating said hydrogenated vegetable oil at the surface of the web and within said voids with a protective layer adapted to be broken by forces encountered during an abrading operation.

Claim 26

Dependent Claim 24 words

The method as recited in claim 21, in which said hydrogenated vegetable oil is melted at a temperature of at least about 130° F.

Claim 27

Dependent Claim 42 words

The method as recited in claim 21, in which said hydrogenated vegetable oil is selected from the groups of monoglyceride and/or triglyceride oils with carbon chains greater than ten consisting of cottonseed oil, palm oil, rapeseed oil, soybean oil and mixtures thereof.

Claim 28

Dependent Claim 32 words

The method as recited in claim 24, including a coating of resinous plastic binder material covering said solid form hydrogenated vegetable oil at the surface of the web and within its interior.

Claim 29

Independent Claim 116 words

The method that comprises: applying hydrogenated vegetable oil in granular solid form to the upper surface of a lofty, open, three dimensional web of non-woven fibers carrying abrasive particles at least some of which are distributed within the interior of the web, with binder material bonding said fibers together and bonding said abrasive particles to the fibers; heating said granular hydrogenated vegetable oil to melting temperature and thereby converting it to liquid form; flowing some of said melted hydrogenated vegetable oil downwardly by gravity into voids within said web; and cooling said hydrogenated vegetable oil to solid form coating said fibers, particles and binder material at the upper surface of the web and within said voids.

Claim 30

Independent Claim 116 words

The method that comprises: applying hydrogenated vegetable oil in granular solid form to the upper surface of a lofty, open, three dimensional web of non-woven fibers carrying abrasive particles at least some of which are distributed within the interior of the web, with binder material bonding said fibers together and bonding said abrasive particles to the fibers; heating said granular hydrogenated vegetable oil to melting temperature and thereby converting it to liquid form; flowing some of said melted hydrogenated vegetable oil downwardly by gravity into voids within said web; and cooling said hydrogenated vegetable oil to solid form coating said fibers, particles and binder material at the upper surface of the web and within said voids.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1997-09-12	1998-03-14	1998-09-13	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2001-09-12	2002-03-14	2002-09-13	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2005-09-12	2006-03-14	2006-09-13	$7700.00	Window Closed / Lapsed

Non-woven abrasive material containing hydrogenated vegetable oils

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