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US4715556A Expired / Lapsed US ⏱️ 0.0 years remaining

Spool

Assignee: Bekaert NV SA

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Filing: 1986-03-19

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Granted: 1987-12-29

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Expires: 2006-03-19

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Abstract

Abstract This invention relates to a spool comprising a central portion (2) and two flanges (3) which can be attached to each other by means of fastening means (7), whereby both flanges (3) are provided with fastening means (7) which are located at the innerside (6) of these flanges (3) and which are attachable to the innerside (5) of the central portion (2).

Inventors

👤 Rufin Tack
👤 Marc Eggermont

Bibliographic Details

Application Number —

Jurisdiction US

Data Source google_patents

Last Synchronized 2026-11-04 21:38

CPC Classifications

B; B65; B65H; B65H75/00; B65H75/02; B65H75/18; B65H75/22; B65H75/2245; B65H75/04; B65H75/08; B65H75/14; B65H75/2254; B65H75/2263; F; F16; F16B; F16B2/00; F16B2/02; F16B2/06; F16B2/10; F16B35/00; B65H2701/00; B65H2701/50; B65H2701/51; B65H2701/511; B65H2701/5114; B65H2701/515; B65H2701/5152; B65H2701/51524; B65H2701/51526; B65H2701/51528; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7047; Y10T403/7051; Y10T403/7052; Y10T403/7056; Y10T403/7062; Y10T403/7064; Y10T403/7066; Y10T403/7067; Y10T403/7069

Claims Analysis

Total Claims: 9

Claim 1

Independent Claim 69 words

A spool comprising: a central portion, and two flanges attachable thereto by fastening means, each flange having an innerside and an outerside and being provided with said fastening means located on the innerside of at least one of the flanges and being attachable to an innerside of the central portion, the fastening means comprising supports provided with a spring and a clamp (10), said clamp coacting with said spring.

Claim 2

Dependent Claim 69 words

Claim 3

Dependent Claim 62 words

A spool accordidng to claim 1, wherein the fastening means are provided with operating means comprising a screw bolt with two fixed nuts, whereby a screw-thread of the screw bolt engages with a screw-thread of the clamp and whereby a first nut is located at the innerside of the flange and the second nut is located at the outerside of the flange.

Claim 4

Dependent Claim 14 words

A spool according to claim 1 wherein the central portion is made of cardboard.

Claim 5

Dependent Claim 22 words

A spool according to claim 1 wherein the central portion at its innerside is provided with recesses for receiving the fastening means.

Claim 6

Dependent Claim 25 words

A spool according to claim 1 wherein the central portion (2) at its innerside (5) is provided with means for fixing the fastening means (7).

Claim 7

Dependent Claim 12 words

A spool according to claim 5 wherein the fixing means are collars.

Claim 8

Dependent Claim 12 words

A spool according to claim 5 wherein fixing means are upright parts.

Claim 9

Dependent Claim 28 words

A spool according to claim 1 wherein the fastening means of both flanges are provided with tightening means operable from both the innerside and outerside of the flanges.

References Cited (Backward Citations)

BE589494A Cited

US1915825A Cited

US1919270A Cited

US2163685A Cited

US2575131A Cited

US2649260A Cited

FR1337184A Cited

FR2071523A5 Cited

US3834639A Cited

DE2347962A1 Cited

DE2351849A1 Cited

US4083513A Cited

FR2398212A1 Cited

US4462555A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1990-12-28	1991-06-29	1991-12-29	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1994-12-28	1995-06-29	1995-12-29	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1998-12-28	1999-06-29	1999-12-29	$7700.00	Window Closed / Lapsed

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