US3813815A — Magnetic closure devices

Claim 1

Independent Claim 355 words

A self-mounting magnetic closure device for releasably holding and sealing a first element to a magnetic element, one of said elements defining a movable door and the other of said elements defining a fixed frame having an opening, comprising in combination: a. an elongated, non-magnetic body member adapted to be affixed to said first element and extending substantially parallel to the edge of said first element; a flexible sealing blade integral with said body member and extending outwardly from said body member from a point adjacent its inner edge, said blade having permanently magnetic material coextensive with said body member at least adjacent the free end of said blade; b. said first element being of sheet metal and having a plurality of spaced tabs integral therewith and extending outwardly therefrom in two spaced rows substantially parallel to the edge of said first element; said tabs in one of said rows having a surface generally parallel to and facing said first element and having free ends defining a line spaced laterally apart from a line defined by the free ends of the other of said rows of tabs; said tabs in the other of said rows having a surface inclined with respect to the first element and facing toward said line defined by the free ends of said tabs in said one row; c. said body member having a first elongated groove extending the length thereof on the side opposite from said blade to receive said one row of tabs and a surface adapted to oppose said surface of said tabs in said one row, said body member further having a second elongated groove extending angularly into said body member toward said first groove to receive said second row of tabs, and said body member being semi-rigid so that it can be snapped over said tabs, said body member including a pair of sealing lips and said first and second grooves are located in said body member inwardly of said sealing lips, and on the side of said body member opposite from said blade and said tabs being concealed and completely covered by said sealing lips.

Claim 2

Dependent Claim 355 words

A self-mounting magnetic closure device for releasably holding and sealing a first element to a magnetic element, one of said elements defining a movable door and the other of said elements defining a fixed frame having an opening, comprising in combination: a. an elongated, non-magnetic body member adapted to be affixed to said first element and extending substantially parallel to the edge of said first element; a flexible sealing blade integral with said body member and extending outwardly from said body member from a point adjacent its inner edge, said blade having permanently magnetic material coextensive with said body member at least adjacent the free end of said blade; b. said first element being of sheet metal and having a plurality of spaced tabs integral therewith and extending outwardly therefrom in two spaced rows substantially parallel to the edge of said first element; said tabs in one of said rows having a surface generally parallel to and facing said first element and having free ends defining a line spaced laterally apart from a line defined by the free ends of the other of said rows of tabs; said tabs in the other of said rows having a surface inclined with respect to the first element and facing toward said line defined by the free ends of said tabs in said one row; c. said body member having a first elongated groove extending the length thereof on the side opposite from said blade to receive said one row of tabs and a surface adapted to oppose said surface of said tabs in said one row, said body member further having a second elongated groove extending angularly into said body member toward said first groove to receive said second row of tabs, and said body member being semi-rigid so that it can be snapped over said tabs, said body member including a pair of sealing lips and said first and second grooves are located in said body member inwardly of said sealing lips, and on the side of said body member opposite from said blade and said tabs being concealed and completely covered by said sealing lips.

Claim 3

Dependent Claim 202 words

In a magnetic closure device of the type particularly useful in sealing first anD second surfaces which are frequently moved between a sealing and non-sealing position relative to each other wherein an elongated semi-rigid gasket body member having two spaced edges is affixed to said first surface and a magnetic material associated with said body member is adapted to sealingly engage the said second surface, the improvement comprising: a flexible sealing blade having two edges, the first of said edges being affixed to one edge of said body member with said blade being spaced from said body member and extending generally transversely across the width thereof in a generally parallel spaced-apart relationship with said first surface, said blade further including a receiving pocket disposed to extend longitudinally therealong adjacent the second of said edges, said pocket being dimensioned to closely receive an elongated flexible magnetic strip therein, said blade being arcuately movable about said one edge at least as said second surface is moved away from said first surface, and a fastening cord disposed intermediate said first edge of said sealing blade and said one edge of said body member, whereby said body member may be further secured to said first surface.

Claim 4

Dependent Claim 202 words

In a magnetic closure device of the type particularly useful in sealing first anD second surfaces which are frequently moved between a sealing and non-sealing position relative to each other wherein an elongated semi-rigid gasket body member having two spaced edges is affixed to said first surface and a magnetic material associated with said body member is adapted to sealingly engage the said second surface, the improvement comprising: a flexible sealing blade having two edges, the first of said edges being affixed to one edge of said body member with said blade being spaced from said body member and extending generally transversely across the width thereof in a generally parallel spaced-apart relationship with said first surface, said blade further including a receiving pocket disposed to extend longitudinally therealong adjacent the second of said edges, said pocket being dimensioned to closely receive an elongated flexible magnetic strip therein, said blade being arcuately movable about said one edge at least as said second surface is moved away from said first surface, and a fastening cord disposed intermediate said first edge of said sealing blade and said one edge of said body member, whereby said body member may be further secured to said first surface.

Claim 5

Dependent Claim 296 words

A self-mounting magnetic closure device for releasably holding and sealing a first element to a magnetic element, one of said elements defining a movable door and the other of said elements defining a fixed frame having an opening, comprising in combination: an elongated, non-magnetic body member adapted to be affixed to said first element and extending substantially parallel to the edge of said first element; a flexible sealing blade extending out from said body member and having permanently magnetic material coextensive with said body member at least adjacent the free end of said blade; said first element having a plurality of spaced tabs integral therewith and extending outwardly thereform in tow rows substantially parallel to the edge of said first element; said tabs in one row having a surface generally parallel to said first element, and having free ends defining a line spaced laterally apart from a line defined by the free ends of the other of said rows of tabs; said tabs in said other row having a surface inclined with respect to the first element and toward said line defined by the free ends of said tabs in said one row; said body member having a first elongated groove extending the length thereof to receive said one row of tabs and a surface adapted to oppose said surface of said tabs in said one row, said body member further having a second elongated groove extending angularly into said body member toward said first groove to receive said second row or tabs, and said body member being semi-rigid so that it can be snapped over said tabs; and, a fastening cord disposed intermediate said semi-rigid body member and sealing blade and coextensive therewith, whereby said magnetic closure device is further secured to said first element.

Claim 6

Dependent Claim 296 words

A self-mounting magnetic closure device for releasably holding and sealing a first element to a magnetic element, one of said elements defining a movable door and the other of said elements defining a fixed frame having an opening, comprising in combination: an elongated, non-magnetic body member adapted to be affixed to said first element and extending substantially parallel to the edge of said first element; a flexible sealing blade extending out from said body member and having permanently magnetic material coextensive with said body member at least adjacent the free end of said blade; said first element having a plurality of spaced tabs integral therewith and extending outwardly thereform in tow rows substantially parallel to the edge of said first element; said tabs in one row having a surface generally parallel to said first element, and having free ends defining a line spaced laterally apart from a line defined by the free ends of the other of said rows of tabs; said tabs in said other row having a surface inclined with respect to the first element and toward said line defined by the free ends of said tabs in said one row; said body member having a first elongated groove extending the length thereof to receive said one row of tabs and a surface adapted to oppose said surface of said tabs in said one row, said body member further having a second elongated groove extending angularly into said body member toward said first groove to receive said second row or tabs, and said body member being semi-rigid so that it can be snapped over said tabs; and, a fastening cord disposed intermediate said semi-rigid body member and sealing blade and coextensive therewith, whereby said magnetic closure device is further secured to said first element.

Claim 7

Dependent Claim 32 words

The device defined in claim 3, wherein the fixed end of said flexible sealing blade is integral with said semi-rigid body member and the free end carries a flexible permanent magnetic strip.

Claim 8

Dependent Claim 28 words

The device defined in claim 3, wherein said flexible sealing blade comprises permanent magnetic material, said fixed end being retained in a slot in said semi-rigid body member.

Claim 9

Dependent Claim 49 words

The device defined in claim 3, including a foil mounted on the underside of said sealing blade when said blade approaches the corners of said first member, said foil having an adhesive backing for providing additional support to said magnetic closure device at the corners of said first element.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1977-06-03	1977-12-03	1978-06-04	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1981-06-03	1981-12-03	1982-06-04	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1985-06-03	1985-12-03	1986-06-04	$7700.00	Window Closed / Lapsed

Magnetic closure devices

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