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US4389868A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for shearing and coiling strip material

Assignee: Gillette Co LLC
•
Filing: 1981-08-10
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Granted: 1983-06-28
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Expires: 2001-08-10
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Abstract

Abstract Apparatus for shearing and coiling strip material, the apparatus including a rotatable mandrel adapted to receive strip material thereon, a first cutter in fixed position proximate the mandrel, and a second cutter removed from the mandrel in a first position but movable to a second position adjacent the first cutter to effect a cutting operation, the first and second cutters having, respectively, first and second guide surfaces which, when the second cutter is in the second position, form a substantially continuous entry surface adapted to urge a cut end of the strip material into engagement with the mandrel.

Inventors

  • 👤 Robert B. Strout

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 20:54
CPC Classifications
B; B65; B65H; B65H18/00; B65H18/08; B65H18/14; B65H18/22; B21; B21C; B21C47/00; B65H19/00; B65H19/22; B65H19/28; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2181; Y10T83/2209; Y10T83/2211

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 142 words
Apparatus for shearing and coiling strip material, said apparatus comprising a mandrel rotatable about its axis and adapted to receive said strip material on a peripheral portion thereof, first cutter means disposed proximate said mandrel in a fixed position, said first cutter means having a first guide surface thereon, and second cutter means having a first position further removed from said mandrel then said first cutter means, said second cutter means being movable to a second position adjacent said first cutter means to effect a cutting operation, said second cutter means having a second guide surface thereon, said first and second guide surfaces forming a substantially continuous entry surface when said second cutting means is in said second position, said entry surface being adapted to urge a cut end of said strip material into engagement with said peripheral portion of said mandrel.
Claim 2
Dependent Claim 142 words
Apparatus for shearing and coiling strip material, said apparatus comprising a mandrel rotatable about its axis and adapted to receive said strip material on a peripheral portion thereof, first cutter means disposed proximate said mandrel in a fixed position, said first cutter means having a first guide surface thereon, and second cutter means having a first position further removed from said mandrel then said first cutter means, said second cutter means being movable to a second position adjacent said first cutter means to effect a cutting operation, said second cutter means having a second guide surface thereon, said first and second guide surfaces forming a substantially continuous entry surface when said second cutting means is in said second position, said entry surface being adapted to urge a cut end of said strip material into engagement with said peripheral portion of said mandrel.
Claim 3
Dependent Claim 51 words
The invention in accordance with claim 1 including mounting means for supporting an endless belt such that an outside surface of said belt is positioned adjacent a peripheral surface of said mandrel and is movable therewith, said apparatus being adapted to receive said strip material between said mandrel and said belt.
Claim 4
Dependent Claim 15 words
The invention in accordance with claim 2 in which said mounting means comprises roller means.

References Cited (Backward Citations)

US1064009A Cited
US1882403A Cited
US2325504A Cited
US3328991A Cited
US3345009A Cited
US3425252A Cited
US3501104A Cited
US3871595A Cited
US3844189A Cited
US4114491A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1986-06-27 1986-12-27 1987-06-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1990-06-27 1990-12-27 1991-06-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1994-06-27 1994-12-27 1995-06-28 $7700.00 Window Closed / Lapsed

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