US4248110A — Apparatus for and method of cutting a belt sleeve

Claim 1

Independent Claim 183 words

In a method of cutting a substantially polymeric belt-defining sleeve having a tension section defining layer, a compression section defining layer, and a load-carrying section defining layer to define a plurality of endless power transmission belt constructions each having a section corresponding to each of said layers, the improvement comprising the steps of, rotating said belt sleeve on rotating means, and cutting a plurality of axially spaced cuts through said layers with jet nozzle means disposed at a fixed position, said jet nozzle means providing high velocity liquid jet means to define an endless power transmission belt between associated pairs of said cuts, said high velocity liquid jet being provided by providing orifice means ranging between 0.001 and 0.050 inch in diameter in said jet nozzle means and supplying liquid at a pressure ranging between 10,000 and 100,000 psig to said orifice means to define said high velocity liquid jet means therethrough, said high velocity liquid jet means enabling cutting of said substantially polymeric sleeve with minimum distortion thereof during cutting resulting in each endless power transmission belt having precisely formed side walls.

Claim 2

Dependent Claim 183 words

In a method of cutting a substantially polymeric belt-defining sleeve having a tension section defining layer, a compression section defining layer, and a load-carrying section defining layer to define a plurality of endless power transmission belt constructions each having a section corresponding to each of said layers, the improvement comprising the steps of, rotating said belt sleeve on rotating means, and cutting a plurality of axially spaced cuts through said layers with jet nozzle means disposed at a fixed position, said jet nozzle means providing high velocity liquid jet means to define an endless power transmission belt between associated pairs of said cuts, said high velocity liquid jet being provided by providing orifice means ranging between 0.001 and 0.050 inch in diameter in said jet nozzle means and supplying liquid at a pressure ranging between 10,000 and 100,000 psig to said orifice means to define said high velocity liquid jet means therethrough, said high velocity liquid jet means enabling cutting of said substantially polymeric sleeve with minimum distortion thereof during cutting resulting in each endless power transmission belt having precisely formed side walls.

Claim 3

Dependent Claim 81 words

A method as set forth in claim 1 in which said rotating step comprises rotating said belt sleeve on a pair of cylindrical supports disposed with their axes in spaced parallel relation and defining a top part of said sleeve, a bottom part of said sleeve, and a space between said supports and said top and bottom parts, said cutting step comprising disposing said jet nozzle means above said top part and directing said liquid jet means toward said bottom part.

Claim 4

Dependent Claim 41 words

A method as set forth in claim 2 and comprising the further step of disposing a container in said space for receiving liquid from said liquid jet means, said container having means dissipating the remaining energy of said liquid jet means.

Claim 5

Dependent Claim 58 words

A method as set forth in claim 3 in which said cutting step comprises providing a single jet nozzle which defines said liquid jet means as a single liquid jet and moving said jet nozzle in predetermined space increments axially along said belt sleeve prior to ejecting said single liquid jet therefrom to define said plurality of cuts.

Claim 6

Dependent Claim 33 words

A method as set forth in claim 3 in which said cutting step comprises providing a plurality of jet nozzles which define said liquid jet means as a corresponding plurality of liquid jets.

Claim 7

Dependent Claim 44 words

A method as set forth in claim 5 in which said cutting step comprises rotating said belt sleeve one revolution beneath said jet nozzles enabling said plurality of liquid jet means to cut the entire belt sleeve in a simultaneous manner during said revolution.

Claim 8

Dependent Claim 66 words

A method as set forth in claim 1 in which said substantially polymeric belt-defining sleeve has said compression section defining layer provided with a plurality of spaced ribs disposed in parallel relation, and said cutting step results in defining an endless power transmission belt between each associated pair of ribs wherein each belt has a plurality of longitudinally extending ribs between each associated pair of cuts.

Claim 9

Dependent Claim 68 words

A method as set forth in claim 1 in which said substantially polymeric belt-defining sleeve has its tension section defining layer and compression section defining layer of substantially identical construction and said load-carrying section defining layer is disposed midway between said above-named two layers, and said cutting step results in defining an endless power transmission belt of the central neutral axis type between each associated pair of cuts.

Claim 10

Dependent Claim 71 words

A method as set forth in claim 1 in which said substantially polymeric belt defining sleeve is of conventional construction wherein said load-carrying section is disposed more closely adjacent to the outside surface of the tension section defining layer than to the outside surface of the compression section defining layer, and said cutting step results in defining an endless power transmission belt of conventional construction between each associated pair of cuts.

Claim 11

Dependent Claim 20 words

A method as set forth in claim 1 in which said jet nozzle means provides high velocity water jet means.

Claim 12

Dependent Claim 29 words

A method as set forth in claim 1 in which said jet nozzle means provides high velocity water jet means comprised of water having a long-chain polymer mixed therein.

Claim 13

Dependent Claim 172 words

In an apparatus for cutting a substantially polymeric belt-defining sleeve having a tension section defining layer, a compression section defining layer, and a load-carrying section defining layer, to define a plurality of endless power transmission belt constructions each having a section corresponding to each of said layers, the improvement comprising, means rotating said belt sleeve, jet nozzle means disposed at a fixed position and for cutting a plurality of axially spaced cuts through said layers, said jet nozzle means providing high velocity liquid jet means to define an endless power transmission belt between each associated pair of said cuts, said jet nozzle means comprising orifice means ranging in diameter between 0.001 and 0.050 inch, and means supplying a liquid at a pressure ranging between 10,000 and 100,000 psig to said orifice means to define said high velocity liquid jet means therethrough, said high velocity liquid jet means enabling cutting of said substantially polymeric sleeve with minimum distortion thereof during cutting resulting in each endless power transmission belt having precisely formed side walls.

Claim 14

Dependent Claim 172 words

In an apparatus for cutting a substantially polymeric belt-defining sleeve having a tension section defining layer, a compression section defining layer, and a load-carrying section defining layer, to define a plurality of endless power transmission belt constructions each having a section corresponding to each of said layers, the improvement comprising, means rotating said belt sleeve, jet nozzle means disposed at a fixed position and for cutting a plurality of axially spaced cuts through said layers, said jet nozzle means providing high velocity liquid jet means to define an endless power transmission belt between each associated pair of said cuts, said jet nozzle means comprising orifice means ranging in diameter between 0.001 and 0.050 inch, and means supplying a liquid at a pressure ranging between 10,000 and 100,000 psig to said orifice means to define said high velocity liquid jet means therethrough, said high velocity liquid jet means enabling cutting of said substantially polymeric sleeve with minimum distortion thereof during cutting resulting in each endless power transmission belt having precisely formed side walls.

Claim 15

Dependent Claim 122 words

An apparatus as set forth in claim 12 in which said means rotating said belt sleeve comprises a pair of rotatable cylindrical supports disposed with their axes in spaced parallel relation and defining a top part of said sleeve, a bottom part of said sleeve, and a space between said supports and top and bottom parts; and said apparatus further comprises means supporting said jet nozzle means above said top part so that said liquid jet means is directed against said top part and toward said bottom part during cutting of said belt sleeve; and a container supported in said space for receiving liquid from said liquid jet means, said container having means dissipating the remaining energy of said liquid jet means.

Claim 16

Dependent Claim 60 words

An apparatus as set forth in claim 13 in which said jet nozzle means consists of a single jet nozzle which defines said liquid jet means as a single liquid jet and means moving said jet nozzle in predetermined spaced increments axially along said belt sleeve prior to ejecting said single liquid jet therefrom to define said plurality of cuts.

Claim 17

Dependent Claim 34 words

An apparatus as set forth in claim 13 in which said jet nozzle means consists of a plurality of jet nozzles which define said liquid jet means as a corresponding plurality of liquid jets.

Claim 18

Dependent Claim 28 words

An apparatus as set forth in claim 13 in which said means for rotating said belt sleeve comprises a motor for rotating at least one of said supports.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1984-02-03	1984-08-04	1985-02-03	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1988-02-03	1988-08-04	1989-02-03	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1992-02-03	1992-08-04	1993-02-03	$7700.00	Window Closed / Lapsed

Apparatus for and method of cutting a belt sleeve

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