US4128922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing device
Assignee: Individual
•
Filing: 1977-08-19
•
Granted: 1978-12-12
•
Expires: 1997-08-19
Abstract
Abstract A two piece plastic sealing device to provide a durable and permanent seal about a plastic bag or casing.
Inventors
- 👤 Charles L. Hutchison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:59
CPC Classifications
G; G09; G09F; G09F3/00; G09F3/02; G09F3/03; G09F3/0305; G09F3/0323; Y; Y10; Y10T; Y10T24/00; Y10T24/15
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
251 words
A sealing device to close the open end of a bag or casing comprising: a first non-metallic member having a top portion and a rigid downwardly extending central portion; a second non-metallic member containing at least two parallel rigid side walls; means for guiding and receiving said central portion of said first non-metallic member within an opening in said second non-metallic member; said central portion received and positioned within said opening between and parallel to said two rigid walls thereby forming a first sealing means wherein said casing is secured and sealed below said central portion and above said side walls; locking means for permanently attaching said first non-metallic member to said second non-metallic member while securing said casing therebetween wherein said locking means comprises a series of tabs formed on said first non-metallic member and a corresponding series of tabs formed on said second non-metallic member; each of said tabs containing an angled surface and an adjacent outwardly extending horizontal surface; said angled surface of each tab on said first non-metallic member being at the same inclination and abutting the angled surface of a corresponding tab on said second non-metallic member while said first and second non-metallic members are in the process of being secured together; and said first non-metallic member and said second non-metallic member being permanently locked together when the horizontal surface of a tab on said first non-metallic member is trapped behind and abutted against the horizontal surface of a corresponding tab on said second non-metallic member.
Claim 2
Dependent Claim
251 words
A sealing device to close the open end of a bag or casing comprising: a first non-metallic member having a top portion and a rigid downwardly extending central portion; a second non-metallic member containing at least two parallel rigid side walls; means for guiding and receiving said central portion of said first non-metallic member within an opening in said second non-metallic member; said central portion received and positioned within said opening between and parallel to said two rigid walls thereby forming a first sealing means wherein said casing is secured and sealed below said central portion and above said side walls; locking means for permanently attaching said first non-metallic member to said second non-metallic member while securing said casing therebetween wherein said locking means comprises a series of tabs formed on said first non-metallic member and a corresponding series of tabs formed on said second non-metallic member; each of said tabs containing an angled surface and an adjacent outwardly extending horizontal surface; said angled surface of each tab on said first non-metallic member being at the same inclination and abutting the angled surface of a corresponding tab on said second non-metallic member while said first and second non-metallic members are in the process of being secured together; and said first non-metallic member and said second non-metallic member being permanently locked together when the horizontal surface of a tab on said first non-metallic member is trapped behind and abutted against the horizontal surface of a corresponding tab on said second non-metallic member.
Claim 3
Dependent Claim
163 words
A sealing device to close the open end of a bag or casing comprising: a first non-metallic member having a top portion and a rigid donwardly extending central portion; a second non-metallic member containing at least two parallel rigid side walls; means for guiding and receiving said central portion of said first non-metallic member within an opening in said second non-metallic member said central portion received and positioned within said opening between and parallel to said two rigid walls thereby forming a first sealing means wherein said casing is secured and sealed below said central portion and above said side walls; locking means for permanently attaching said first non-metallic member to said second non-metallic member while securing said casing therebetween wherein said means for guiding and receiving said central portion of said first non-metallic member comprises at least two of said series of tabs on said second non-metallic member spaced apart at a distance approximately equal to the width of said central portion.
Claim 4
Dependent Claim
163 words
A sealing device to close the open end of a bag or casing comprising: a first non-metallic member having a top portion and a rigid donwardly extending central portion; a second non-metallic member containing at least two parallel rigid side walls; means for guiding and receiving said central portion of said first non-metallic member within an opening in said second non-metallic member said central portion received and positioned within said opening between and parallel to said two rigid walls thereby forming a first sealing means wherein said casing is secured and sealed below said central portion and above said side walls; locking means for permanently attaching said first non-metallic member to said second non-metallic member while securing said casing therebetween wherein said means for guiding and receiving said central portion of said first non-metallic member comprises at least two of said series of tabs on said second non-metallic member spaced apart at a distance approximately equal to the width of said central portion.
Claim 5
Dependent Claim
127 words
A sealing device to close the open end of a bag or casing comprising: a first non-metallic member having a top portion and a rigid downwardly extending central portion; a second non-metallic member containing at least two parallel rigid side walls; means for guiding and receiving said central portion of said first non-metallic member within an opening in said second non-metallic member; said central portion received and positioned within said opening between and parallel to said two rigid walls thereby forming a first sealing means wherein said casing is secured and sealed below said central portion and above said side walls; locking means for permanently attaching said first non-metallic member to said second non-metallic member while securing said casing therebetween; and further comprising a second sealing means.
Claim 6
Dependent Claim
127 words
A sealing device to close the open end of a bag or casing comprising: a first non-metallic member having a top portion and a rigid downwardly extending central portion; a second non-metallic member containing at least two parallel rigid side walls; means for guiding and receiving said central portion of said first non-metallic member within an opening in said second non-metallic member; said central portion received and positioned within said opening between and parallel to said two rigid walls thereby forming a first sealing means wherein said casing is secured and sealed below said central portion and above said side walls; locking means for permanently attaching said first non-metallic member to said second non-metallic member while securing said casing therebetween; and further comprising a second sealing means.
Claim 7
Dependent Claim
77 words
A sealing device as claimed in claim 3 wherein said second sealing means comprises at least one generally V-shaped extension down from said top portion of said first non-metallic member and a corresponding V-shaped channel on the top of at least one of said rigid side walls; said V-shaped extension being above and along said corresponding V-shaped channel when said first non-metallic member is attached to said second non-metallic member thereby securing and sealing said bag therebetween.
Claim 8
Dependent Claim
178 words
A sealing device to close the open end of a bag or casing comprising: a first non-metallic member having a top portion and a rigid downwardly extending central portion; a second non-metallic member containing at least two parallel rigid side walls; means for guiding and receiving said central portion of said first non-metallic member within an opening in said second non-metallic member; said central portion received and positioned within said opening between and parallel to said two rigid walls thereby forming a first sealing means wherein said casing is secured and sealed below said central portion and above said side walls; locking means for permanently attaching said first non-metallic member to said second non-metallic member while securing said casing therebetween; and hanging means used for suspending said sealing device and secured bag; said hanging means comprising two projections extending out from one end of said first or second non-metallic members; and apertures formed in said projections for receiving the ends of a string or wire to which said string or wire can be tied forming a hanging loop.
Claim 9
Dependent Claim
178 words
A sealing device to close the open end of a bag or casing comprising: a first non-metallic member having a top portion and a rigid downwardly extending central portion; a second non-metallic member containing at least two parallel rigid side walls; means for guiding and receiving said central portion of said first non-metallic member within an opening in said second non-metallic member; said central portion received and positioned within said opening between and parallel to said two rigid walls thereby forming a first sealing means wherein said casing is secured and sealed below said central portion and above said side walls; locking means for permanently attaching said first non-metallic member to said second non-metallic member while securing said casing therebetween; and hanging means used for suspending said sealing device and secured bag; said hanging means comprising two projections extending out from one end of said first or second non-metallic members; and apertures formed in said projections for receiving the ends of a string or wire to which said string or wire can be tied forming a hanging loop.
Claim 10
Dependent Claim
156 words
A sealing device to close the open end of a bag or casing comprising: a first non-metallic member having a top portion and a rigid downwardly extending central portion; a second non-metallic member containing at least two parallel rigid side walls; means for guiding and receiving said central portion of said first non-metallic member within an opening in said second non-metallic member; said central portion received and positioned within said opening between and parallel to said two rigid walls thereby forming a first sealing means wherein said casing is secured and sealed below said central portion and above said side walls; locking means for permanently attaching said first non-metallic member to said second non-metallic member while securing said casing therebetween; gathering means for confining said bag within said first sealing means; said gathering means comprising two downwardly extending lugs on opposite ends of said central portion whereby said bag will be confined within said two lugs.
Claim 11
Dependent Claim
156 words
A sealing device to close the open end of a bag or casing comprising: a first non-metallic member having a top portion and a rigid downwardly extending central portion; a second non-metallic member containing at least two parallel rigid side walls; means for guiding and receiving said central portion of said first non-metallic member within an opening in said second non-metallic member; said central portion received and positioned within said opening between and parallel to said two rigid walls thereby forming a first sealing means wherein said casing is secured and sealed below said central portion and above said side walls; locking means for permanently attaching said first non-metallic member to said second non-metallic member while securing said casing therebetween; gathering means for confining said bag within said first sealing means; said gathering means comprising two downwardly extending lugs on opposite ends of said central portion whereby said bag will be confined within said two lugs.
Claim 12
Dependent Claim
33 words
A sealing member as claimed in claim 6 including at least one pointed tooth member extending downwardly from said central portion between said lugs for engagement with and further securing of said bag.
Claim 13
Dependent Claim
212 words
A sealing device to permanently close the open end of a bag-like consumer food product container comprising: a first plastic member having a generally T-shaped configuration with a top portion and a rigid downwardly extending central portion; a second plastic member containing two parallel rigid wall members; said central portion of said first plastic member received within an opening in said second plastic member between said two rigid walled members and positioned in parallel with said wall members thereby forming a first sealing means in which said bag may be secured and sealed by being entwined under said central portion and over said two wall members; at least one generally V-shaped extension extending down from said top portion of said first plastic member and a corresponding V-shaped channel on the top of at least one said rigid wall members; said V-shaped extension positioned above said V-shaped channel as said central portion of said first plastic member is received within said opening of said second plastic member thereby forming a second sealing means between said channel and said extension within which said bag is secured; and locking means for attaching said first plastic member to said second plastic member after said central portion is received within said opening of said second plastic member.
Claim 14
Dependent Claim
212 words
A sealing device to permanently close the open end of a bag-like consumer food product container comprising: a first plastic member having a generally T-shaped configuration with a top portion and a rigid downwardly extending central portion; a second plastic member containing two parallel rigid wall members; said central portion of said first plastic member received within an opening in said second plastic member between said two rigid walled members and positioned in parallel with said wall members thereby forming a first sealing means in which said bag may be secured and sealed by being entwined under said central portion and over said two wall members; at least one generally V-shaped extension extending down from said top portion of said first plastic member and a corresponding V-shaped channel on the top of at least one said rigid wall members; said V-shaped extension positioned above said V-shaped channel as said central portion of said first plastic member is received within said opening of said second plastic member thereby forming a second sealing means between said channel and said extension within which said bag is secured; and locking means for attaching said first plastic member to said second plastic member after said central portion is received within said opening of said second plastic member.
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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) | 1981-12-11 | 1982-06-12 | 1982-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-12-11 | 1986-06-12 | 1986-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-12-11 | 1990-06-12 | 1990-12-12 | $7700.00 | Window Closed / Lapsed |