CA1177611A - Floor mats of the washable, dirt adsorbing type - Google Patents
Floor mats of the washable, dirt adsorbing typeInfo
- Publication number
- CA1177611A CA1177611A CA000385464A CA385464A CA1177611A CA 1177611 A CA1177611 A CA 1177611A CA 000385464 A CA000385464 A CA 000385464A CA 385464 A CA385464 A CA 385464A CA 1177611 A CA1177611 A CA 1177611A
- Authority
- CA
- Canada
- Prior art keywords
- rubber
- backing
- coloured
- mat
- nap
- 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.)
- Expired
Links
Landscapes
- Carpets (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE
Floor mats of the washable, dirt adsorbing type, so-called "service mats", consist of a rubber backing and a nap top layer vulcanized to the top side of the backing such that the outer edge portion of the backing constitutes a frame portion about the nap layer. The mats are produced either as strong "utility mats" based on a black rubber backing or as "appearance mats" based on a backing of coloured rubber. According to the invention a "utility mat" is provided which is additionally an "appearance mat", the said frame portion of the black rubber backing being con-stituted or covered by a layer of coloured rubber. The two types of rubber are vulcanized together. The coloured rubber and even the black rubber may be reinforced by ad-mixture with synthetic fibres.
Floor mats of the washable, dirt adsorbing type, so-called "service mats", consist of a rubber backing and a nap top layer vulcanized to the top side of the backing such that the outer edge portion of the backing constitutes a frame portion about the nap layer. The mats are produced either as strong "utility mats" based on a black rubber backing or as "appearance mats" based on a backing of coloured rubber. According to the invention a "utility mat" is provided which is additionally an "appearance mat", the said frame portion of the black rubber backing being con-stituted or covered by a layer of coloured rubber. The two types of rubber are vulcanized together. The coloured rubber and even the black rubber may be reinforced by ad-mixture with synthetic fibres.
Description
1 ~77~1 1 This invention relates to a floor mat of the washable, dirt adsorbing type comprising a rubber backing for a preferably tufted nap of a soft yarn material, the top side of the back-ing having a nap-free frame area along the edges of the mat.
Mats of this character are produced in two basically diffe-rent types, viz. so-called utility mats and so-called appear-ance mats, according to the type of backing material as used therein. The utility mats are made with a backing of "black rubber", i.e. a thin and strong plate material based 10 on lampblack as filler material, this even today being the best and strongest rubber material available. In order to match the black frame area portion of the backing it is customary to produce the mats with a nap made of a grey yarn, optionally a cotton based yarn which is well washable and well suited to be impregnated by a dust binding oil subsequent to the washing of the mat and the renewed use of the mat. It is generally admitted that these grey and black utility mats, although they are highly efficient and durable and advantageous in every other respect, suffer 20 from the disadvantage that they are not at any particularly attractive appearance.
The mats of the type in question are used primarily in non-private surroundings, i.e. in shops, offices, factories etc., and in some of these places it is desirable that the mats should present themselves not as black and grey only, but generally as coloured elements. The nap, of course, may easily be coloured as desired, but the high quality black type rubber backlng cannot be replaced by coloured rubber without an associated reduction of the quality, because 30 an equally strong coloured rubber material has not been : , .
, ~ 1177611 developed so ax. Thence the distinction between "utility mats" and "appearance mats", of which the latter are ~enerally of a reduced quality.
The present invention provides an improved mat of the type referred to whereby an "appearance mat" is produceable with a generally improved quality.
According to the invention the backing as consisting of "black" rubber or a corresponding high quality material is provided with a top layer of a coloured rubber material at least in the said frame area and preferably substantially solely in said frame area.
Generally the available coloured types of rubber are well suited to be joined with the black rubber by a vulcaniza-tion process as used anyway in the mat production, for secur-ing the nap to the backing, the nap normally being pretufted on a thin carrier sheet which is placed on a backing member such that by a following treatment in a vulcanization press the bottom portions of the tufted nap get intimately joined with the backing member.
For producing a mat according to the invention it is preferable to provide a sandwich pre-assembly consisting of a backing member of black rubber and four plate strips of a desired coloured rubber laid onto the edge areas of the back-ing member top side to form a frame portion thereon, and a topmost layer consisting of the said tufted carrier sheet having such a size that it extends just beyond the inner edges of the coloured frame strips, whereafter this pre-assembly is treated in a vulcanization press.
According to an important aspect of the invention it has been found that the coloured rubber material may be ,~ - 2 -reinforced to show a generally improved quality by incorporat-ing in the rubber mass an amount, e.g. 5~, of synthetic fibres I - 2a -~7761~
: 3 such as polypropyiene or polyester fibres, and even the ` black rubber backing member may be reinforced in the same manner.
Though the coloured irame strips are themselves backed by the edge area of the backing member and are thus held in a stabilized manner, they will nevertheless show a still higher stability and quality, e.g. as far as wear resist-ance is concerned, when they consist of the said fibre reinforced material.
10 In the following the invention is described in more detail with reference to the accompanying drawing, in which:-Fig. 1 is a perspective exploded view illustrating a pre-ferred manner of producing a mat according to the invention, Fig. 2 is a partial sectional view of the pre-assembly shown in Fig. 1, and Fig. 3 is a similar view of a modified embodiment.
The mat assembly shown in Fig. 1 comprises a lowermost backing member 2 made as a rectangular plate member of "black" rubber, : i.e. a strong rubber material based on lampblack as filler 20 material. Onto the top side edge areas of this member is laid four plate strips 4 made of coloured rubber and arranged so as to form a frame about the remainder of the exposed top side of the backing member 2. Onto this subassembly is laid a nap sheet 6 consisting of a thin carrier sheet of any suitable material, which has in previous operation been provided with a tufted nap of cotton or synthetic yarn, coloured as desired to match the colour of the frame - pieces 4. The nap sheet 6 ls slightly larger than the cen-tral area of the backing member 2 as left exposed by the 30 frame strips 4, i.e. the outer edges of the nap sheet 6 will just cover the inner edge areas of the strips 4, as more clearly shown in Fig. 2.
It77611 ..
Thereafter the mat assembly ls placed in a vulcanization ; press, and the various layers are joined by the heat and the pressure therein, as already well known for joining the nap sheet 6 with a rubber backing.
The frame strips 4 may have any desired thickness, even down to a very small thickness, and though the coloured rubber material, of which they consist, is not as strong as the black rubber of the backing member 2, these strips will nevertheless constitute a reinforcement of the edge 10 portions of the mat, i.e. a reinforcement just where it is needed at most or is of maximum effect. At the same time the coloured frame material will-add to the black rubber utility mat the qualification of additionally be-ing an "appearance mat".
As shown in Fig. 3 it will even be possible to provide the coloured frame strips 4 as outermost frame members laid edgewise against the outer periphery of the central backing member 2. When the coloured rubber material of the strips 4 is of an ordinary non-reinforced type which 20 is generally weaker than the black rubber material of the central backing portion 2 it may be desirable to make use of framing strips 4 of increased thickness.
However, experiments have shown that it is in fact possible to reinforce the coloured rubber material by adding to the rubber material an amount of some 5% or between
Mats of this character are produced in two basically diffe-rent types, viz. so-called utility mats and so-called appear-ance mats, according to the type of backing material as used therein. The utility mats are made with a backing of "black rubber", i.e. a thin and strong plate material based 10 on lampblack as filler material, this even today being the best and strongest rubber material available. In order to match the black frame area portion of the backing it is customary to produce the mats with a nap made of a grey yarn, optionally a cotton based yarn which is well washable and well suited to be impregnated by a dust binding oil subsequent to the washing of the mat and the renewed use of the mat. It is generally admitted that these grey and black utility mats, although they are highly efficient and durable and advantageous in every other respect, suffer 20 from the disadvantage that they are not at any particularly attractive appearance.
The mats of the type in question are used primarily in non-private surroundings, i.e. in shops, offices, factories etc., and in some of these places it is desirable that the mats should present themselves not as black and grey only, but generally as coloured elements. The nap, of course, may easily be coloured as desired, but the high quality black type rubber backlng cannot be replaced by coloured rubber without an associated reduction of the quality, because 30 an equally strong coloured rubber material has not been : , .
, ~ 1177611 developed so ax. Thence the distinction between "utility mats" and "appearance mats", of which the latter are ~enerally of a reduced quality.
The present invention provides an improved mat of the type referred to whereby an "appearance mat" is produceable with a generally improved quality.
According to the invention the backing as consisting of "black" rubber or a corresponding high quality material is provided with a top layer of a coloured rubber material at least in the said frame area and preferably substantially solely in said frame area.
Generally the available coloured types of rubber are well suited to be joined with the black rubber by a vulcaniza-tion process as used anyway in the mat production, for secur-ing the nap to the backing, the nap normally being pretufted on a thin carrier sheet which is placed on a backing member such that by a following treatment in a vulcanization press the bottom portions of the tufted nap get intimately joined with the backing member.
For producing a mat according to the invention it is preferable to provide a sandwich pre-assembly consisting of a backing member of black rubber and four plate strips of a desired coloured rubber laid onto the edge areas of the back-ing member top side to form a frame portion thereon, and a topmost layer consisting of the said tufted carrier sheet having such a size that it extends just beyond the inner edges of the coloured frame strips, whereafter this pre-assembly is treated in a vulcanization press.
According to an important aspect of the invention it has been found that the coloured rubber material may be ,~ - 2 -reinforced to show a generally improved quality by incorporat-ing in the rubber mass an amount, e.g. 5~, of synthetic fibres I - 2a -~7761~
: 3 such as polypropyiene or polyester fibres, and even the ` black rubber backing member may be reinforced in the same manner.
Though the coloured irame strips are themselves backed by the edge area of the backing member and are thus held in a stabilized manner, they will nevertheless show a still higher stability and quality, e.g. as far as wear resist-ance is concerned, when they consist of the said fibre reinforced material.
10 In the following the invention is described in more detail with reference to the accompanying drawing, in which:-Fig. 1 is a perspective exploded view illustrating a pre-ferred manner of producing a mat according to the invention, Fig. 2 is a partial sectional view of the pre-assembly shown in Fig. 1, and Fig. 3 is a similar view of a modified embodiment.
The mat assembly shown in Fig. 1 comprises a lowermost backing member 2 made as a rectangular plate member of "black" rubber, : i.e. a strong rubber material based on lampblack as filler 20 material. Onto the top side edge areas of this member is laid four plate strips 4 made of coloured rubber and arranged so as to form a frame about the remainder of the exposed top side of the backing member 2. Onto this subassembly is laid a nap sheet 6 consisting of a thin carrier sheet of any suitable material, which has in previous operation been provided with a tufted nap of cotton or synthetic yarn, coloured as desired to match the colour of the frame - pieces 4. The nap sheet 6 ls slightly larger than the cen-tral area of the backing member 2 as left exposed by the 30 frame strips 4, i.e. the outer edges of the nap sheet 6 will just cover the inner edge areas of the strips 4, as more clearly shown in Fig. 2.
It77611 ..
Thereafter the mat assembly ls placed in a vulcanization ; press, and the various layers are joined by the heat and the pressure therein, as already well known for joining the nap sheet 6 with a rubber backing.
The frame strips 4 may have any desired thickness, even down to a very small thickness, and though the coloured rubber material, of which they consist, is not as strong as the black rubber of the backing member 2, these strips will nevertheless constitute a reinforcement of the edge 10 portions of the mat, i.e. a reinforcement just where it is needed at most or is of maximum effect. At the same time the coloured frame material will-add to the black rubber utility mat the qualification of additionally be-ing an "appearance mat".
As shown in Fig. 3 it will even be possible to provide the coloured frame strips 4 as outermost frame members laid edgewise against the outer periphery of the central backing member 2. When the coloured rubber material of the strips 4 is of an ordinary non-reinforced type which 20 is generally weaker than the black rubber material of the central backing portion 2 it may be desirable to make use of framing strips 4 of increased thickness.
However, experiments have shown that it is in fact possible to reinforce the coloured rubber material by adding to the rubber material an amount of some 5% or between
2% and 10% of synthetic fibres e.g. polypropylene or polyester fibres, whereby the coloùred material ls no longer as weak as the conventional "appearance mats", and the necessary thickness of the frame strips - both 30 ln Fig. 1 and Fig. 3 - may thus be reduced as compared with a non-reinforced material, or in other words an "appearance mat" may be produced which is hardly dis-tinguishable from a "utility mat" from a ~uality point of view.
~ ,:
., , ,.~. 1l77~ll Experiments have shown that also the material of the black rubber backing member 2 may be pronounced reinforced by adding to the rubber mass an amount of e.g. some 5~ or between 2% and 10% by weight of synthetic fibres, pre-ferably of polyester or polypropylene and of a length of some 5-10 cm.
It will be within the scope of the invention to use a coloured top layer or sheet 4 covering the entire black rubber backing member 2.
~ ,:
., , ,.~. 1l77~ll Experiments have shown that also the material of the black rubber backing member 2 may be pronounced reinforced by adding to the rubber mass an amount of e.g. some 5~ or between 2% and 10% by weight of synthetic fibres, pre-ferably of polyester or polypropylene and of a length of some 5-10 cm.
It will be within the scope of the invention to use a coloured top layer or sheet 4 covering the entire black rubber backing member 2.
Claims (7)
1. A floor mat of the washable, dust adsorbing type comprising a rubber backing a nap of a soft yarn material on a top side of said rubber backing and, a nap-free frame area along the edges of the mat, the backing consisting of "black" rubber non-colourable rubber is provided with a top layer of a coloured rubber material at least in said frame area.
2. A mat according to claim 1, in which the black rubber IS based on lampblack as filler.
3. A mat according to claim 2, in which the top layer is provided solely in the frame area.
4. A floor mat according to claim 1, 2 or 3, in which the said top layer of coloured rubber material is fibre reinforced.
5. A floor mat according to claim 1, 2 or 3, in which the said top layer of coloured rubber material is fibre reinforced by approximately 5% of polypropylene or polyester fibres.
6. A floor mat according to claim 1, 2 or 3, in which the said top layer of coloured rubber material is fibre reinforced and the remainder of the backing is fibre reinforced.
7. A-method of producing a washable, dust absorb-ing mat having a rubber backing, a nap of a soft yarn material on a top side of said rubber backing and a nap-free frame area along the edges of the mat, comprising the steps of preparing a pre-assembly consisting of a backing member of a "black" non-colourable rubber, a frame portion of a coloured rubber ox rubber-like material placed in contact with at least a top side edge area of the backing member, and an uppermost nap sheet extending outwardly to beyond the inner edge of the frame portion on a top side thereof, and subject-ing this pre-assembly to heat and pressure in a vulcanization press so as to form said pre-assembly into a single unitary mat structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000385464A CA1177611A (en) | 1981-09-09 | 1981-09-09 | Floor mats of the washable, dirt adsorbing type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000385464A CA1177611A (en) | 1981-09-09 | 1981-09-09 | Floor mats of the washable, dirt adsorbing type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1177611A true CA1177611A (en) | 1984-11-13 |
Family
ID=4120908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000385464A Expired CA1177611A (en) | 1981-09-09 | 1981-09-09 | Floor mats of the washable, dirt adsorbing type |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1177611A (en) |
-
1981
- 1981-09-09 CA CA000385464A patent/CA1177611A/en not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |