US4659031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inserts and cooperating retaining means for use with web dispensing means
Assignee: E & A ENTERPRISES A PARTNERSHIP
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Filing: 1986-03-13
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Granted: 1987-04-21
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Expires: 2006-03-13
Abstract
Abstract Inserts for facilitating dispensing of wrapping material comprising an elongated web wrapped about a hollow cylindrical core. The inserts are telescopingly received within opposite ends of the hollow cylindrical core and are retained by a force-fit cylinder freely slidable relative to the insert and adapted to be force-fit within the hollow cylindrical core, enabling the web supply and its supporting core to be rotated relative to the inserts, while an operator holds the inserts during dispensing and wrapping operations.
Inventors
- 👤 Alfred Saraisky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:35
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/04; B65H75/08; B65H75/18; B65H75/185; B65H2402/00; B65H2402/40; B65H2402/41; B65H2402/412; Y; Y10; Y10S; Y10S242/00; Y10S242/914
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
213 words
Inserts for use in supporting a dispensing web wrapped about a hollow cylindrical core, each of said inserts comprising: a substantially hollow cylindrical section having a first and second end, the diameter of said cylindrical section being substantially constant over the length thereof; a substantially flat annular-shaped flange integral with and extending outwardly from the first end of said cylindrical section; cylinder retainer means integral with and extending outwardly from the second end of said cylindrical section the diameter of the outer edge of said cylinder retainer means being less than the outer diameter of said first flange; a hollow cylindrical-shaped force-fit cylinder encircling said hollow cylindrical section and having a length less than the distance between said first flange and said cylinder retainer means so as to be loosely retained about said hollow section and between said first flange and said cylinder retainer means, said force-fit cylinder and said cylindrical section being rotatably slidable relative to one another; the outer diameter of said force-fit cylinder being at least equal to and preferably slightly greater than the inner diameter of said hollow cylindrical core for force-fittingly retaining said insert within said hollow cylindrical core, while enabling the cylindrical section of said insert to be freely rotatably slidable relative to said hollow cylindrical core.
Claim 2
Dependent Claim
213 words
Inserts for use in supporting a dispensing web wrapped about a hollow cylindrical core, each of said inserts comprising: a substantially hollow cylindrical section having a first and second end, the diameter of said cylindrical section being substantially constant over the length thereof; a substantially flat annular-shaped flange integral with and extending outwardly from the first end of said cylindrical section; cylinder retainer means integral with and extending outwardly from the second end of said cylindrical section the diameter of the outer edge of said cylinder retainer means being less than the outer diameter of said first flange; a hollow cylindrical-shaped force-fit cylinder encircling said hollow cylindrical section and having a length less than the distance between said first flange and said cylinder retainer means so as to be loosely retained about said hollow section and between said first flange and said cylinder retainer means, said force-fit cylinder and said cylindrical section being rotatably slidable relative to one another; the outer diameter of said force-fit cylinder being at least equal to and preferably slightly greater than the inner diameter of said hollow cylindrical core for force-fittingly retaining said insert within said hollow cylindrical core, while enabling the cylindrical section of said insert to be freely rotatably slidable relative to said hollow cylindrical core.
Claim 3
Dependent Claim
23 words
The apparatus of claim 1 wherein said cylinder retainer means comprises an annular flange integral with and extending outwardly form said cylindrical section.
Claim 4
Dependent Claim
28 words
The apparatus of claim 1 wherein said cylinder retainer means comprises a resilient clip snap-fittingly received within a groove provided in the outer periphery of said cylindrical section.
Claim 5
Dependent Claim
26 words
The apparatus of claim 1 wherein said cylinder retainer means comprises an O-ring received within a groove provided in the outer periphery of said cylindrical section.
Claim 6
Dependent Claim
55 words
The apparatus of claim 1 wherein said retainer means comprises a plurality of locking projections each including a tapered surface whose first end is adjacent the surface of said cylindrical section and extends diagonally away from said cylindrical section surface to facilitate insertion of the second end of the cylindrical section into said force-fit cylinder.
Claim 7
Dependent Claim
76 words
The apparatus of claim 5 wherein said tapered portion abruptly terminates to form a shoulder extending between the tapered portion and the surface of said cylindrical section and being substantially perpendicular to said cylindrical section which shoulder abuts the adjacent end of the force-fit cylinder when the insert is fully inserted into the force-fit cylinder to prevent the cylindrical section from being removed from the force-fit cylinder while being freely rotatable relative to the force-fit cylinder.
Claim 8
Dependent Claim
69 words
The apparatus of claim 6 wherein each tapered projection is at the free end of a flexible section formed in the insert cylindrical section by a substantially U-shaped slot to enable the flexible section to flex inwardly when the insert is inserted into the force-fit cylinder and to cause the section to snap outwardly when the shoulder of the tapered projection clears the adjacent end of the force-fit cylinder.
Claim 9
Dependent Claim
24 words
The apparatus of claim 7 wherein there are at least two projections arranged at regularly spaced intervals about the cylindrical section of the insert.
Claim 10
Dependent Claim
40 words
The apparatus of claim 6 wherein the force-fit cylinder is provided with a flange integrally joined to one end of the force-fit cylinder to overly the end of the core; said insert flange overlying the flange of the force-fit cylinder.
Claim 11
Dependent Claim
47 words
The apparatus of claim 9 wherein the distance between the surface of the insert flange engaging the force-fit cylinder flange and the shoulder is greater than the distance between the surface of the force-fit flange engaging the insert flange and the opposite end of the force-fit cylinder.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-04-20 | 1990-10-20 | 1991-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-04-20 | 1994-10-20 | 1995-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-04-20 | 1998-10-20 | 1999-04-21 | $7700.00 | Window Closed / Lapsed |