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US5137178A Expired / Lapsed US ⏱️ 0.0 years remaining

Dual tube dispenser

Assignee: FD Management Inc
•
Filing: 1991-04-17
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Granted: 1992-08-11
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Expires: 2011-04-17
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Abstract

Abstract A dual container is provided for delivering two composition streams held in separate compartment thereof. Each of the compartments is flexible walled and received in a relatively rigid receptacle having a left and right wall positioned on opposite sides of the receptacle. Within each of the latter walls are a respective window through which a button protrudes that when squeezed compresses the respective compartments forcing a composition to exit therefrom.

Inventors

  • 👤 James R. Stokes
  • 👤 Michael H. Lombardi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 11:02
CPC Classifications
B; B65; B65D; B65D35/00; B65D35/24; B65D35/28; B65D35/22

Claims Analysis

Total Claims: 15
Claim 1
Independent Claim 181 words
A dual container comprising: (a) a first flexible-walled compartment; (b) a second flexible-walled compartment adjacent said first compartment; (c) a receptacle having an open first end and receiving said first and second compartments, said receptacle having a left wall juxtaposed against a wall of said first compartment and a right wall juxtaposed against a wall of said second compartment, said left and right walls being on opposite sides of said receptacle and each formed with a window communicating with an inner area of said receptacle; and (d) a means for applying pressure to respective walls of said first and second compartment, said means being a U-shaped device inserted within said receptacle and receiving both first and second compartments within an area defined by said U-shape, said means comprising a pair of wings and a bridge positioned between said wings for connecting said respective wings, said wings being formed each with a respective button protruding outwardly through a respective one of said windows and said open first end of said receptacle having rigid dimensions for receipt of said U-shaped device and compartments.
Claim 2
Dependent Claim 181 words
A dual container comprising: (a) a first flexible-walled compartment; (b) a second flexible-walled compartment adjacent said first compartment; (c) a receptacle having an open first end and receiving said first and second compartments, said receptacle having a left wall juxtaposed against a wall of said first compartment and a right wall juxtaposed against a wall of said second compartment, said left and right walls being on opposite sides of said receptacle and each formed with a window communicating with an inner area of said receptacle; and (d) a means for applying pressure to respective walls of said first and second compartment, said means being a U-shaped device inserted within said receptacle and receiving both first and second compartments within an area defined by said U-shape, said means comprising a pair of wings and a bridge positioned between said wings for connecting said respective wings, said wings being formed each with a respective button protruding outwardly through a respective one of said windows and said open first end of said receptacle having rigid dimensions for receipt of said U-shaped device and compartments.
Claim 3
Dependent Claim 27 words
A container according to claim 1 wherein each of said buttons has an inner surface in contact with said respective wall of said first and second compartments.
Claim 4
Dependent Claim 30 words
A container according to claim 2 wherein said buttons are of elongate shape, conform to said window in shape and traverse more than halfway down a length of said receptacle.
Claim 5
Dependent Claim 27 words
A dual container according to claim 3 wherein said buttons have an outwardly bowed curvature, said curvature including respective indentations on an inner surface of said buttons.
Claim 6
Dependent Claim 27 words
A dual compartment according to claim 4 wherein said compartments are formed with an outwardly bulging wall, said bulging wall being form-fittingly received in said respective indentations.
Claim 7
Dependent Claim 30 words
A dual container according to claim 5 wherein each of said compartments has a substantially rectangular shaped flat surface wall on a side of said compartment opposite said bulging wall.
Claim 8
Dependent Claim 21 words
A container according to claim 6 wherein said first and second compartments have their respective flat surfaced walls adjacent one another.
Claim 9
Dependent Claim 34 words
A container according to claim 1 further comprising a pair of fins projecting inwardly from said left and right walls, opposite one another and substantially at right angles to said means for applying pressure.
Claim 10
Dependent Claim 38 words
A container according to claim 8 further comprising a yoke receivable over said open first end of said receptacle, said yoke including a pair of brackets on an underside of said yoke projecting downwardly to engage said fins.
Claim 11
Dependent Claim 38 words
A container according to claim 9 wherein said yoke has an opening in a center thereof and contains a means for clamping exit ports through which compositions held in said first and second compartments can be extruded through.
Claim 12
Dependent Claim 20 words
A container according to claim 1 wherein said means of applying pressure is inserted within said receptacle replaceably attached therein.
Claim 13
Dependent Claim 20 words
A container according to claim 1 further comprising a yoke receivable over an opening in an end of said receptacle.
Claim 14
Dependent Claim 15 words
A container according to claim 1 wherein said U-shaped device is of a unitary construction.
Claim 15
Dependent Claim 19 words
A container according to claim 1 further comprising a means for hingedly connecting said respective wings with said bridge.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1995-08-11 1996-02-10 1996-08-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1999-08-11 2000-02-10 2000-08-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2003-08-11 2004-02-10 2004-08-11 $7700.00 Window Closed / Lapsed

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