GB2287737A - Threshold strip for doors - Google Patents
Threshold strip for doors Download PDFInfo
- Publication number
- GB2287737A GB2287737A GB9405495A GB9405495A GB2287737A GB 2287737 A GB2287737 A GB 2287737A GB 9405495 A GB9405495 A GB 9405495A GB 9405495 A GB9405495 A GB 9405495A GB 2287737 A GB2287737 A GB 2287737A
- Authority
- GB
- United Kingdom
- Prior art keywords
- threshold
- strip
- secured
- plastics
- side edge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/70—Sills; Thresholds
-
- 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
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
- E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Seal Device For Vehicle (AREA)
- Carpets (AREA)
Description
0 1 Improvements in and relating to Thresholds 2287737 This invention
relates to thresholds for doorways.
Thresholds are known which comprise strips of aluminium alloy which are profiled to include channels for receiving and retaining domed neoprene inserts or the like. The aluminium strips are conventionally secured across a doorway by screws with the domed neoprene inserts centred to lie below the respective door when closed.
In use the domed neoprene inserts tend to age rapidly and harden with variations in temperature. In time the inserts fracture thereby creating potential hazards particularly to the elderly and infirm. Also, movement of such items as wheelchairs or the like across other than relatively new domed inserts can prove to be difficult. Further, when used in industrial premises, frequent movement of lorries, fork lift trucks and the like can cause rapid deterioration of the domed inserts thereby adversely affecting their weather sealing properties.
The present invention sets out to overcome or at least alleviate these disadvantages by providing a threshold 2 having a seal insert which comprises a suitably contoured strip of carpet material secured by hot melting onto a plastics backing strip.
According to the present invention in one aspect there is provided a threshold which comprises a threshold strip extruded from a plastics material whose profile includes along each of its lengthwise extending sides inwardly facing channels between which are retained lengthwise extending side edges of a strip of carpet material mounted onto a plastics backing strip and secured thereto by hot melting.
The plastics material is preferably a high tensile plastics material.
The backing strip is preferably produced from polypropylene and is secured by stitching to the nylon web of the carpet material, the plastics backing strip being secured to the web by hot melting.
Each side edge of the threshold strip may be downwardly inclined for ease of movement thereover or may be downwardly inclined along only one of its side edges, the other side edge defining a riser for abutment against, for example, a floor covering.
The invention will now be described by way of example only with reference to the accompanying diagrammatic drawings in which:- Figure 1 is a cross section taken through a threshold in accordance with the invention; and Figure 2 is a cross section taken through an 1, 1 3 alternative threshold in accordance with the invention.
The threshold illustrated in Figure 1 comprises a profiled threshold strip 1 extruded from a high tensile plastics material and including a base 2 and inclined side pieces 3. The underside of the base is formed with lengthwise extending feet 4 which protrude downwardly below the central part of the base to provide good ground contact. The side pieces 3 are each inclined downwardly from the top of the threshold and include inwardly projecting lips 6 which together with the upper surface of the base 1 define inwardly projecting channels 7. A groove 8 is set in the upper surface of the base along its centre line to assist location of screws or nails employed to attach the threshold to a floor or ground surface.
Retained within the channel 7 are the side edges of a strip of carpet material 9, the tufts 10 of which extend upwardly beyond the upper surface of the strip to seal against the bottom of a door when closed over a threshold. The carpet strip 9 comprises a water repellent polypropylene backing strip secured by stitching to a strip of nylon webbing which in turn is secured by hot melting to a strip of plastics. The specially treated carpet strip has sufficient lateral rigidity to enable it readily to slide into the channels 7 of the threshold and to be retained therein when the threshold is secured across a doorway. The carpet strip also provides an effective under-door weather seal against for example rain or draughts.
4 The threshold illustrated in Figure 2 is more suitable for indoor use and includes a profiled threshold strip of high tensile plastics including a base 15 having feet 16 and inwardly extending channels 17 which receive and retain a carpet strip 18 as described above.
In this embodiment one edge 19 of the threshold defines a riser against which a floor covering can abut, a curvilinear side piece 20 being provided for ease of movement of, for example, wheelchairs over the threshold. Where a riser is not required, a second extruded threshold strip 21 is provided, its side edge 23 abutting against the riser edge 19 of the threshold.
The use of a carpet strip to provide a seal between the threshold and the lower rim of a door negates the previously discussed problems which arise when domed neoprene inserts are employed essentially because the carpet strip does not readily deteriorate when subjected to wear, variations in temperature or excessive use.
It will be appreciated that the foregoing is merely exemplary of thresholds in accordance with this invention and that modifications can readily be made thereto without departing from the true scope of the invention.
7
Claims (1)
1. A threshold which comprises a threshold strip extruded from a plastics material whose profile includes along each of its'lengthwise extefiding sides inwardly facing channels between which are retained lengthwise extending side edges of a strip of carpet material mounted onto a plastics backing strip and secured thereto by hot melting.
2. A threshold as claimed in Claim 1 wherein the plastics material is a high tensile plastics material.
3. A threshold as claimed in Claim 1 or Claim 2 wherein the backing strip is produced from polypropylene and is secured by stitching to the nylon web of the carpet material.
A threshold as claimed in any one of 'Claims 1 to 3 wherein the plastics backing strip is secured to the web by hot melting.
- 5. A threshold as claimed in any one of Claims 1 to 4 wherein each side edge of the threshold strip is downwardly inclined for ease of movement thereover.
6. A threshold as claimed in any one of Claims 1 to 4 wherein one side edge of the threshold strip is 6 downwardly inclined, the other side edge defining a riser..
7, A threshold substantially as herein described and.as described with reference f6-Figures 1 and 2 of the accompanying diagrammatic drawings.
-0 1 1
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9405495A GB2287737B (en) | 1994-03-21 | 1994-03-21 | Improvements in and relating to thresholds |
ES95301873T ES2125560T3 (en) | 1994-03-21 | 1995-03-21 | DOOR THRESHOLDS FOR DOORS. |
DE1995604732 DE69504732T2 (en) | 1994-03-21 | 1995-03-21 | Threshold |
EP19950301873 EP0674083B1 (en) | 1994-03-21 | 1995-03-21 | Threshold for doorways |
DK95301873T DK0674083T3 (en) | 1994-03-21 | 1995-03-21 | Door steps for doorways |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9405495A GB2287737B (en) | 1994-03-21 | 1994-03-21 | Improvements in and relating to thresholds |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9405495D0 GB9405495D0 (en) | 1994-05-04 |
GB2287737A true GB2287737A (en) | 1995-09-27 |
GB2287737B GB2287737B (en) | 1997-05-21 |
Family
ID=10752208
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9405495A Expired - Fee Related GB2287737B (en) | 1994-03-21 | 1994-03-21 | Improvements in and relating to thresholds |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0674083B1 (en) |
DE (1) | DE69504732T2 (en) |
DK (1) | DK0674083T3 (en) |
ES (1) | ES2125560T3 (en) |
GB (1) | GB2287737B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20204563U1 (en) * | 2002-03-21 | 2002-06-27 | Schuering Gmbh & Co Fenster Te | Thermally insulated door threshold |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2061360A (en) * | 1979-10-24 | 1981-05-13 | Allport B C | Door sill |
GB2068441A (en) * | 1980-01-31 | 1981-08-12 | Schlegel Corp | Weatherstrip |
GB2083532A (en) * | 1980-09-09 | 1982-03-24 | Schlegel Corp | Weatherstrip |
US4387535A (en) * | 1981-12-07 | 1983-06-14 | Manco Tape, Inc. | Adjustable threshold assembly |
GB2224299A (en) * | 1988-10-28 | 1990-05-02 | Allport Brian | Weather excluder |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3003203A (en) * | 1959-12-04 | 1961-10-10 | Grunwald Edward | Set-in insert for door saddles |
JPS5940994B2 (en) * | 1979-06-29 | 1984-10-03 | 豊田合成株式会社 | grass run |
GB2121465B (en) * | 1982-06-10 | 1985-10-16 | Roy Harvey Bottomley | Door sill |
GB2131859B (en) * | 1982-12-10 | 1986-08-06 | Roy Harvey Bottomley | Weatherproof assembly for door foot |
US4663903A (en) * | 1986-06-27 | 1987-05-12 | Reese Enterprises, Inc. | Floor covering structure |
GB2243639B (en) * | 1990-05-02 | 1993-10-20 | Environmental Seals Ltd | Improvements in and relating to intumescent fire seals and their method of manufacture |
-
1994
- 1994-03-21 GB GB9405495A patent/GB2287737B/en not_active Expired - Fee Related
-
1995
- 1995-03-21 DE DE1995604732 patent/DE69504732T2/en not_active Expired - Fee Related
- 1995-03-21 ES ES95301873T patent/ES2125560T3/en not_active Expired - Lifetime
- 1995-03-21 DK DK95301873T patent/DK0674083T3/en active
- 1995-03-21 EP EP19950301873 patent/EP0674083B1/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2061360A (en) * | 1979-10-24 | 1981-05-13 | Allport B C | Door sill |
GB2068441A (en) * | 1980-01-31 | 1981-08-12 | Schlegel Corp | Weatherstrip |
GB2083532A (en) * | 1980-09-09 | 1982-03-24 | Schlegel Corp | Weatherstrip |
US4387535A (en) * | 1981-12-07 | 1983-06-14 | Manco Tape, Inc. | Adjustable threshold assembly |
GB2224299A (en) * | 1988-10-28 | 1990-05-02 | Allport Brian | Weather excluder |
Also Published As
Publication number | Publication date |
---|---|
EP0674083A1 (en) | 1995-09-27 |
ES2125560T3 (en) | 1999-03-01 |
GB9405495D0 (en) | 1994-05-04 |
DE69504732T2 (en) | 1999-06-02 |
DK0674083T3 (en) | 1999-06-14 |
DE69504732D1 (en) | 1998-10-22 |
EP0674083B1 (en) | 1998-09-16 |
GB2287737B (en) | 1997-05-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19990321 |