US3772129A - Laths for roller shutters - Google Patents

Laths for roller shutters Download PDF

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US3772129A
US3772129A US00113565A US3772129DA US3772129A US 3772129 A US3772129 A US 3772129A US 00113565 A US00113565 A US 00113565A US 3772129D A US3772129D A US 3772129DA US 3772129 A US3772129 A US 3772129A
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lath
laths
base member
wall
layer
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US00113565A
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D Dover
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DOVER SHUTTERS Ltd
DOVER SHUTTERS LTD GB
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DOVER SHUTTERS Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/046—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/04—Doors arranged at the vehicle sides
    • B60J5/06—Doors arranged at the vehicle sides slidable; foldable
    • B60J5/08—Doors arranged at the vehicle sides slidable; foldable of roller-blind type made of rigid elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
    • E06B3/48—Wings connected at their edges, e.g. foldable wings
    • E06B3/485—Sectional doors
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/08—Roll-type closures
    • E06B9/11—Roller shutters
    • E06B9/15—Roller shutters with closing members formed of slats or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • F25D23/021—Sliding doors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/0278—Polyurethane
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2311/00—Metals, their alloys or their compounds
    • B32B2311/24—Aluminium
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/08—Roll-type closures
    • E06B9/11—Roller shutters
    • E06B9/15—Roller shutters with closing members formed of slats or the like
    • E06B2009/1505—Slat details
    • E06B2009/1511—Coatings
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/08—Roll-type closures
    • E06B9/11—Roller shutters
    • E06B9/15—Roller shutters with closing members formed of slats or the like
    • E06B2009/1505—Slat details
    • E06B2009/1522—Sealing joint between adjacent slats
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/08—Roll-type closures
    • E06B9/11—Roller shutters
    • E06B9/15—Roller shutters with closing members formed of slats or the like
    • E06B2009/1533—Slat connections
    • E06B2009/1538—Slats directly connected
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/08—Roll-type closures
    • E06B9/11—Roller shutters
    • E06B9/15—Roller shutters with closing members formed of slats or the like
    • E06B2009/1533—Slat connections
    • E06B2009/155—Slats connected by separate elements
    • E06B2009/1566—Rigid elements, e.g. hinges, hooks or profiles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249987—With nonvoid component of specified composition
    • Y10T428/24999—Inorganic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31678—Of metal
    • Y10T428/31692—Next to addition polymer from unsaturated monomers

Definitions

  • ABSTRACT A lath for a roller shutter, in which a longitudinal extruded aluminium base member is provided against one major face of which is located a layer of foamed plastic insulating material. The other side of the base member is preferably coated with an insulating layer consisting of a microcellular elastomeric material.
  • the invention relates to roller shutters particularly for use in providing a closure for an opening in a refrigerated vehicle, container or the like.
  • Roller shutters having metallic box section laths are described in co-pending Pat. application Ser. No. 1 10,065 of the present applicant. Such shutters provide a considerable improvement over earlier shutters in terms of rigidity, strength, ease of action and long life, but give rise to difficulties when used as closures for refrigerated stores or vehicles due to the heat flow through the laths.
  • the invention therefore provides a lath for a roller shutter, comprising a longitudinal metallic base member presenting two major faces, one of said faces having located thereagainst a layer of foamed plastic insulating material.
  • the base member is preferably extruded from aluminium.
  • the layer of foamed plastic material is adhered to said base member and envelops anchorage members projecting therefrom.
  • the base member comprises portions defining a box section, with said layer of foamed plastic material being disposed within the box section.
  • the other major face is preferably coated with a thermal insulating layer consisting of a microcellular elastomeric material having a K value as defined below of not more than 0.45.
  • the K value is the thermal conductivity in BThU/ft /hr/F rise in temperature.
  • each lath preferably present a non linear profile in a direction extending between the major faces.
  • the invention also comprises a roller shutter when constituted by laths according to the invention.
  • FIG. 1 is a sectional end elevation of a first lath according to the invention
  • FIG. 2 is a sectional end elevation of a lath similar to that of FIG. 1 but having a slightly modified lower end,
  • FIG. 3 is a sectional end elevation of the lower and upper ends respectively of the laths of FIGS. 1 and 2 showing the manner whereby they are hinged together when incorporated in a roller shutter,
  • FIG. 4 is a sectional end elevation of a second lath according to the invention.
  • FIG. 5 is a sectional end elevation of a lath similar to that of FIG. 4 but having a slightly modified lower end.
  • the lath shown comprises a flat longitudinal metallic base member in the form of an aluminium extrusion I having two major faces and three longitudinal ribs 2 on one face thereof, each rib having a head portion 3 embedded in a moulded mass of high density polyurethane foam 4.
  • the foam mass 4 has a density of between and 30 (preferably to pounds per cubic foot and a K value of not more than 0.4.
  • the extrusion 1 has upper and lower end flanges 5 and 6, the flange 6 having therein a dove tail recess 7 in which a sealing strip 13 is located.
  • the foamed mass 4 is shaped by the mould in which it is formed has a flat external surface 8 and stepped upper and lower side portions 9 and 10 respectively which terminate at the flanges 5 and 6.
  • the other face of the aluminium extrusion 1 is surfaced by a layer 11 of semi-flexible closed microcelluler polyurethane elastomer which is sprayed thereon and has a K value of not more than 0.45.
  • the lath shown in FIG. 2 is generally identical to that of FIG. 1 except in regard to the construction of the lower flange 6a.
  • the lath shown in FIG. 2 is intended as the lowermost lath in a shutter and comprises a recess 12 in the lower wall which receives a horizontally extending sealing strip 15 for engagement in the bottom of the opening in which the shutter is to be mounted.
  • the laths of the shutter are connected together by hinges 14 bolted to the extrusion 1.
  • the hinges are preferably bolted to the laths prior to the spraying of the layer 11 which is subsequently cut along the hinge lines to permit relative articulated movement of the laths when the shutter is installed.
  • the lath there shown has a box section and comprises a front wall 20 with upper and lower walls 21 and 22 and an intermediate rib 23 connected to a rear wall 24 by counter sunk bolts 25.
  • the walls 21 and 22 each have an inclined face extending from the front to the rear of the lath and terminating at the front and rear in a short horizontal.
  • the wall 22 includes a dove tail section recess 26 in which a sealing strip 27 of neoprene is located for weather proofing purposes.
  • the cavities defined by the box section are filled with a mass of low density polyurethane foam 28.
  • the foam mass 28 has a density of between 1.5 and 4 (preferably 2 to 3) pounds per cubic foot.
  • the outer surface of the wall 24 and the flanges to which it is secured are covered by a layer 29 of the semi-flexible closed microcellular polyurethane elastomer which is sprayed thereon in a similar manner to the layer 11.
  • the lath shown in FIG. 5 is generally similar to that of FIG. 4 except in regard to the construction of the lower wall 22a.
  • the lath shown in FIG. 5 is intended as the lowermost lath in a shutter and comprises a recess 30 which receives a horizontally extending sealing strip 31 for an engagement with the bottom of the opening in which the shutter is to be mounted.
  • a lath for a roller shutter comprising a flat longitudinal metallic base member having two major faces and terminating at each longitudinal edge in an end flange, a plurality of longitudinal ribs each having a head portion thereon extending from one major face of said base member, a mass of high density polyurethane foam having a density of between 10 and 30 pounds per cubic foot and a K value of not more than 0.4 molded onto said one major face of said base member, said mass having an external flat surface and inclined longitudinal stepped side portions terminating at the respective end flanges, said other major face of said base I member having thereon a layer of semi-flexible closed microcellular polyurethane elastomer having a K value of not more than 0.45.
  • a lath for a roller shutter comprising a box section having a front wall, a rear wall, upper and lower walls extending between said front and rear walls, said upper and lower walls each having an inclined face extending from the front to the rear of the lath, and an intermedihaving a layer of semi-flexible closed microcellular ate rib extending from the front wall and connected to the rear wall, the interior of the box section being filled with low density polyurethane foam having a density of between 1.5 and 4 pounds per cubic foot, the rear wall 5 polyurethane elastomer having a K value of not more than 0.45 on the outer face thereof.

Abstract

A lath for a roller shutter, in which a longitudinal extruded aluminium base member is provided against one major face of which is located a layer of foamed plastic insulating material. The other side of the base member is preferably coated with an insulating layer consisting of a microcellular elastomeric material.

Description

United States Patent [19] Dover 5] Nov. 13, 1973 LATHS FOR ROLLER SHUTTERS [75] Inventor: Donald Henry William Dover, Little Baddow, near Chelmsford, England [73] Assignee: Dover Roller Shutters Limited,
Witham, Essex, England [22] Filed: Feb. 8, 1971 [21] App]. No: 113,565
[] Foreign Application Priority Data Feb. 9, 1970 Great Britain 6,171/
[52] US. Cl 161/43, 52/309, 160/236,
[51] int. Cl B32b l/04, B32b 3/10, B32b 15/08 [58] Field of Search 161/43, 44, 41, 53, 161/54, 99, 100, 108,109, -114, 119,
[56] References Cited UNITED STATES PATENTS 3,332,170 7/l967 Bangs 52/309 3,234,996 2/1966 King 160/236 X 3,345,245 10/1967 l-lanusa 161/119 3,525,661 8/1970 Jackson 161/43 X 3,327,447 6/1967 Nissley 52/309 3,511,007 5/1970 Babcock 161/160 3,338,013 8/1967 Graham et al. 52/309 3,511,301 5/1970 Graham et a1.... 160/232 X 2,907,383 10/1959 Kloote et a1. 160/232 X 3,236,007 2/1966 Abeson .1 161/190 X 3,591,532 7/1971 Abercrombie et a1... 161/190 X 3,459,611 8/1969 Joseph et al. 264/45 3,557,264 12/1965 Getz et al 264/45 UX Primary Examiner-George F. Lesmes Assistant ExaminerLorraine T. Kendell Att0rneyWender0th, Lind & Ponack [57] ABSTRACT A lath for a roller shutter, in which a longitudinal extruded aluminium base member is provided against one major face of which is located a layer of foamed plastic insulating material. The other side of the base member is preferably coated with an insulating layer consisting of a microcellular elastomeric material.
2 Claims, 5 Drawing Figures Patented Nov .13, 1973 2 Sheets-Sheet 1 o 7 fi/V/ ///////////M/ ///L 2 r///fl////////// DONALD HENRY WILLIAM DOVER,
Inventor Patented Nov .13, 1973 3,772,129
2 Sheets-Sheet 2 DONALD HENRY WILLIAM DOVER,
Inventor Attorneys LATI-IS FOR ROLLER SHUTTERS The invention relates to roller shutters particularly for use in providing a closure for an opening in a refrigerated vehicle, container or the like.
Roller shutters having metallic box section laths are described in co-pending Pat. application Ser. No. 1 10,065 of the present applicant. Such shutters provide a considerable improvement over earlier shutters in terms of rigidity, strength, ease of action and long life, but give rise to difficulties when used as closures for refrigerated stores or vehicles due to the heat flow through the laths.
It is among the objects of the present invention to provide improved arrangements whereby such heat flow may be checked.
The invention therefore provides a lath for a roller shutter, comprising a longitudinal metallic base member presenting two major faces, one of said faces having located thereagainst a layer of foamed plastic insulating material.
The base member is preferably extruded from aluminium. In one form, the layer of foamed plastic material is adhered to said base member and envelops anchorage members projecting therefrom. In another form, the base member comprises portions defining a box section, with said layer of foamed plastic material being disposed within the box section. The other major face is preferably coated with a thermal insulating layer consisting of a microcellular elastomeric material having a K value as defined below of not more than 0.45.
The K value is the thermal conductivity in BThU/ft /hr/F rise in temperature.
The upper and lower walls of each lath preferably present a non linear profile in a direction extending between the major faces.
The invention also comprises a roller shutter when constituted by laths according to the invention.
The invention is further illustrated in the accompanying drawings in which;
FIG. 1 is a sectional end elevation of a first lath according to the invention,
FIG. 2 is a sectional end elevation of a lath similar to that of FIG. 1 but having a slightly modified lower end,
FIG. 3 is a sectional end elevation of the lower and upper ends respectively of the laths of FIGS. 1 and 2 showing the manner whereby they are hinged together when incorporated in a roller shutter,
FIG. 4 is a sectional end elevation of a second lath according to the invention and,
FIG. 5 is a sectional end elevation of a lath similar to that of FIG. 4 but having a slightly modified lower end.
Referring first to FIG. 1 of the drawings, the lath shown comprises a flat longitudinal metallic base member in the form of an aluminium extrusion I having two major faces and three longitudinal ribs 2 on one face thereof, each rib having a head portion 3 embedded in a moulded mass of high density polyurethane foam 4. The foam mass 4 has a density of between and 30 (preferably to pounds per cubic foot and a K value of not more than 0.4.
The extrusion 1 has upper and lower end flanges 5 and 6, the flange 6 having therein a dove tail recess 7 in which a sealing strip 13 is located.
The foamed mass 4 is shaped by the mould in which it is formed has a flat external surface 8 and stepped upper and lower side portions 9 and 10 respectively which terminate at the flanges 5 and 6.
The other face of the aluminium extrusion 1 is surfaced by a layer 11 of semi-flexible closed microcelluler polyurethane elastomer which is sprayed thereon and has a K value of not more than 0.45.
The lath shown in FIG. 2 is generally identical to that of FIG. 1 except in regard to the construction of the lower flange 6a. The lath shown in FIG. 2 is intended as the lowermost lath in a shutter and comprises a recess 12 in the lower wall which receives a horizontally extending sealing strip 15 for engagement in the bottom of the opening in which the shutter is to be mounted.
As best seen in FIG. 3, the laths of the shutter are connected together by hinges 14 bolted to the extrusion 1. The hinges are preferably bolted to the laths prior to the spraying of the layer 11 which is subsequently cut along the hinge lines to permit relative articulated movement of the laths when the shutter is installed.
Referring now to FIG. 4 of the drawings, the lath there shown has a box section and comprises a front wall 20 with upper and lower walls 21 and 22 and an intermediate rib 23 connected to a rear wall 24 by counter sunk bolts 25. The walls 21 and 22 each have an inclined face extending from the front to the rear of the lath and terminating at the front and rear in a short horizontal. The wall 22 includes a dove tail section recess 26 in which a sealing strip 27 of neoprene is located for weather proofing purposes.
Internally, the cavities defined by the box section are filled with a mass of low density polyurethane foam 28. The foam mass 28 has a density of between 1.5 and 4 (preferably 2 to 3) pounds per cubic foot. The outer surface of the wall 24 and the flanges to which it is secured are covered by a layer 29 of the semi-flexible closed microcellular polyurethane elastomer which is sprayed thereon in a similar manner to the layer 11.
The lath shown in FIG. 5 is generally similar to that of FIG. 4 except in regard to the construction of the lower wall 22a. As with the lath of FIG. 2, the lath shown in FIG. 5 is intended as the lowermost lath in a shutter and comprises a recess 30 which receives a horizontally extending sealing strip 31 for an engagement with the bottom of the opening in which the shutter is to be mounted.
I claim:
1. A lath for a roller shutter comprising a flat longitudinal metallic base member having two major faces and terminating at each longitudinal edge in an end flange, a plurality of longitudinal ribs each having a head portion thereon extending from one major face of said base member, a mass of high density polyurethane foam having a density of between 10 and 30 pounds per cubic foot and a K value of not more than 0.4 molded onto said one major face of said base member, said mass having an external flat surface and inclined longitudinal stepped side portions terminating at the respective end flanges, said other major face of said base I member having thereon a layer of semi-flexible closed microcellular polyurethane elastomer having a K value of not more than 0.45.
2. A lath for a roller shutter comprising a box section having a front wall, a rear wall, upper and lower walls extending between said front and rear walls, said upper and lower walls each having an inclined face extending from the front to the rear of the lath, and an intermedihaving a layer of semi-flexible closed microcellular ate rib extending from the front wall and connected to the rear wall, the interior of the box section being filled with low density polyurethane foam having a density of between 1.5 and 4 pounds per cubic foot, the rear wall 5 polyurethane elastomer having a K value of not more than 0.45 on the outer face thereof.

Claims (1)

  1. 2. A lath for a roller shutter comprising a box section having a front wall, a rear wall, upPer and lower walls extending between said front and rear walls, said upper and lower walls each having an inclined face extending from the front to the rear of the lath, and an intermediate rib extending from the front wall and connected to the rear wall, the interior of the box section being filled with low density polyurethane foam having a density of between 1.5 and 4 pounds per cubic foot, the rear wall having a layer of semi-flexible closed microcellular polyurethane elastomer having a K value of not more than 0.45 on the outer face thereof.
US00113565A 1970-02-09 1971-02-08 Laths for roller shutters Expired - Lifetime US3772129A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB617170 1970-02-09

Publications (1)

Publication Number Publication Date
US3772129A true US3772129A (en) 1973-11-13

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US (1) US3772129A (en)
AU (1) AU2520671A (en)
BE (1) BE762710A (en)
CA (1) CA940820A (en)
DE (1) DE2106063A1 (en)
FR (1) FR2078313A5 (en)
GB (1) GB1346568A (en)
NL (1) NL7101692A (en)
NO (1) NO126451B (en)
SE (1) SE368529B (en)
ZA (1) ZA71771B (en)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4073987A (en) * 1974-10-08 1978-02-14 Bauknecht Gesellschaft Mit Beschrankter Haftung Elektrotechnische Fabriken Multi-layer front plate for furniture and method of making same
US4174419A (en) * 1978-11-08 1979-11-13 Allied Chemical Corporation Stabilized magnetic shields
US4276954A (en) * 1979-10-01 1981-07-07 Acoustic Standards Adjustable light and air-admitting window thermal and acoustic barrier system
US4292763A (en) * 1979-12-07 1981-10-06 The United States Of America As Represented By The United States Department Of Energy Reflective insulating blinds for windows and the like
US4462778A (en) * 1981-02-19 1984-07-31 Mario Calcagni Extrusion head for extruding mouldings for roller blinds, frames, finish and the like
US4486996A (en) * 1982-05-19 1984-12-11 Luis Alejos Construction-panel prefabrication method, panels thus made and equipment for implementing said method
US4628982A (en) * 1983-05-02 1986-12-16 Martinray Industries Ltd. Insulated closure panel
US4690411A (en) * 1985-12-23 1987-09-01 Winkle Denzal W Van Bonded mechanically inner connected seal arrangement for a blowout preventer
US4718472A (en) * 1984-07-11 1988-01-12 Hormann Kg Amshausen Sectional strip for roll-up, fold-up, and similar gates
US5435108A (en) * 1993-12-07 1995-07-25 Clopay Building Products Company Insulated garage door panel
DE19726156A1 (en) * 1997-06-20 1998-12-24 Guido Langenbach Rapid roll-up door
US6006817A (en) * 1998-01-09 1999-12-28 Clopay Building Products Company Overhead door, panel and hinge assembly
EP0990762A2 (en) * 1998-10-01 2000-04-05 Di Natale S.r.l. Shutter with adjustable lamellae and outer covering
ES2165248A1 (en) * 1998-08-03 2002-03-01 Sanchez Antonio Canovas Ultra-light, reinforced compact plate for Venetian blind comprises laminar metallic structure covered in plastic expanded by extrusion of polyvinylchloride or others
US6772814B2 (en) 1998-01-09 2004-08-10 Clopay Building Products R&D Company, Inc. Combined weather seal, light block and wear insert for overhead door panel
US20060137835A1 (en) * 2004-12-23 2006-06-29 Wayne-Dalton Corp. Reinforced sectional door panels
US20080093036A1 (en) * 2006-10-20 2008-04-24 Ya-Yin Lin Slat for a window blind
BE1018852A5 (en) * 2009-08-07 2011-10-04 Renson Paul ACOUSTIC LAMEL DEVICE.
US20210148166A1 (en) * 2018-04-05 2021-05-20 Seuster Kg Door comprising a guide arrangement

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DE3943855B4 (en) * 1988-02-18 2006-08-10 Lindab A/S Hubgliedertor
DE3806005C2 (en) * 1988-02-25 1998-07-09 Hubert Kurz Sliding wall profile
DE8913520U1 (en) * 1988-11-25 1990-03-29 Hoermann Kg Brockhagen, 4803 Steinhagen, De
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US4991639A (en) * 1989-12-06 1991-02-12 Whiting Roll-Up Door Mfg. Corp. Guard members for preventing shifting cargo from intefering with the operation of a roll-up door
US5915444A (en) * 1996-01-30 1999-06-29 Aluma Shield Industries, Inc. Garage door panel
US5669431A (en) * 1996-01-30 1997-09-23 Aluma Shield Industries, Inc. Garage door panel
US7055573B2 (en) 2002-04-25 2006-06-06 Martin Door Manufacturing Systems and methods for reducing gap space between door sections
US7681621B2 (en) 2005-07-01 2010-03-23 Metecno Panel Systems, Inc. Pinch free panel system and method
DE102006061180A1 (en) * 2006-12-22 2008-06-26 Efaflex Tor- Und Sicherheitssysteme Gmbh & Co. Kg Roller door used as an industrial door comprises lamellae formed as molded bodies made from plastic hard foam
DE102007021942A1 (en) * 2007-05-10 2008-11-13 Efaflex Tor- Und Sicherheitssysteme Gmbh & Co. Kg Roller shutter, in particular high-speed industrial door, as well as lamella for this and method for its production
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US3236007A (en) * 1963-06-06 1966-02-22 Abeson Marion Deformable figure toy of laminated sheet material
US3234996A (en) * 1963-08-26 1966-02-15 Won Door Corp Sound retarding folding partition
US3511007A (en) * 1964-03-05 1970-05-12 Henry N Babcock Structural systems employing foaming-in-place
US3332170A (en) * 1964-07-23 1967-07-25 John R Bangs Structural assembly for the prevention of thermal leakage
US3338013A (en) * 1965-02-26 1967-08-29 Polyfoam Prod Inc Ventilated panel construction
US3327447A (en) * 1965-04-22 1967-06-27 Traulsen & Co Inc Interlocking joint for abutted edges of insulated panel sections
US3525661A (en) * 1965-06-28 1970-08-25 Conch Int Methane Ltd Thermal insulation structures
US3557264A (en) * 1965-08-12 1971-01-19 Eaton Yale & Towne Load supporting structures
US3459611A (en) * 1966-07-18 1969-08-05 Holiday Inns Of America Inc Method of making a mattress from foamed plastic material
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Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4073987A (en) * 1974-10-08 1978-02-14 Bauknecht Gesellschaft Mit Beschrankter Haftung Elektrotechnische Fabriken Multi-layer front plate for furniture and method of making same
US4174419A (en) * 1978-11-08 1979-11-13 Allied Chemical Corporation Stabilized magnetic shields
US4276954A (en) * 1979-10-01 1981-07-07 Acoustic Standards Adjustable light and air-admitting window thermal and acoustic barrier system
US4292763A (en) * 1979-12-07 1981-10-06 The United States Of America As Represented By The United States Department Of Energy Reflective insulating blinds for windows and the like
US4462778A (en) * 1981-02-19 1984-07-31 Mario Calcagni Extrusion head for extruding mouldings for roller blinds, frames, finish and the like
US4486996A (en) * 1982-05-19 1984-12-11 Luis Alejos Construction-panel prefabrication method, panels thus made and equipment for implementing said method
US4628982A (en) * 1983-05-02 1986-12-16 Martinray Industries Ltd. Insulated closure panel
US4718472A (en) * 1984-07-11 1988-01-12 Hormann Kg Amshausen Sectional strip for roll-up, fold-up, and similar gates
US4690411A (en) * 1985-12-23 1987-09-01 Winkle Denzal W Van Bonded mechanically inner connected seal arrangement for a blowout preventer
US5435108A (en) * 1993-12-07 1995-07-25 Clopay Building Products Company Insulated garage door panel
DE19726156A1 (en) * 1997-06-20 1998-12-24 Guido Langenbach Rapid roll-up door
DE19726156C2 (en) * 1997-06-20 2001-08-02 Guido Langenbach High-speed roll-up door
US7111661B2 (en) * 1997-06-20 2006-09-26 Rite-Hite Holding Corporation Quick-action rolling shutter door
US6659158B2 (en) 1997-06-20 2003-12-09 Rite-Hite Holding Corporation Quick-action rolling shutter door
US6006817A (en) * 1998-01-09 1999-12-28 Clopay Building Products Company Overhead door, panel and hinge assembly
US6772814B2 (en) 1998-01-09 2004-08-10 Clopay Building Products R&D Company, Inc. Combined weather seal, light block and wear insert for overhead door panel
ES2165248A1 (en) * 1998-08-03 2002-03-01 Sanchez Antonio Canovas Ultra-light, reinforced compact plate for Venetian blind comprises laminar metallic structure covered in plastic expanded by extrusion of polyvinylchloride or others
EP0990762A2 (en) * 1998-10-01 2000-04-05 Di Natale S.r.l. Shutter with adjustable lamellae and outer covering
EP0990762A3 (en) * 1998-10-01 2002-02-13 Di Natale S.r.l. Shutter with adjustable lamellae and outer covering
US20060137835A1 (en) * 2004-12-23 2006-06-29 Wayne-Dalton Corp. Reinforced sectional door panels
US20080093036A1 (en) * 2006-10-20 2008-04-24 Ya-Yin Lin Slat for a window blind
BE1018852A5 (en) * 2009-08-07 2011-10-04 Renson Paul ACOUSTIC LAMEL DEVICE.
EP2287539A3 (en) * 2009-08-07 2015-01-14 Renson Projects nv Acoustic slat arrangement
US20210148166A1 (en) * 2018-04-05 2021-05-20 Seuster Kg Door comprising a guide arrangement
US11719040B2 (en) * 2018-04-05 2023-08-08 Seuster Kg Door comprising a guide arrangement

Also Published As

Publication number Publication date
DE2106063A1 (en) 1971-08-19
FR2078313A5 (en) 1971-11-05
BE762710A (en) 1971-07-16
NO126451B (en) 1973-02-05
ZA71771B (en) 1971-10-27
CA940820A (en) 1974-01-29
GB1346568A (en) 1974-02-13
AU2520671A (en) 1972-08-10
NL7101692A (en) 1971-08-11
SE368529B (en) 1974-07-08

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