CN1064731C

CN1064731C - Relief system for enclosing of bathtub and the like

Info

Publication number: CN1064731C
Application number: CN 96104450
Authority: CN
Inventors: W·W·史密斯
Original assignee: American Standard Inc
Current assignee: Trane US Inc
Priority date: 1995-03-27
Filing date: 1996-03-26
Publication date: 2001-04-18
Anticipated expiration: 2016-03-26
Also published as: GB2299267B; HK1009707A1; PT9259T; CA2171383A1; JPH08270036A; CA2171383C; NZ286044A; MX9601005A; CN1148650A; AU698755B2; GB2299267A; GB9605677D0; AU4552296A; PT9259U

Abstract

An overflow fitting for a sanitary fixture includes a one-piece conduit in the shape of a trough formed to fit the curvature of the sanitary fixture. The first end of the conduit is configured to cover the overflow opening and the second end is configured to discharge water in the conduit into the drain. The conduit may be welded or otherwise adhered to the shell. Moreover, it may subsequently be encapsulated within a layer of plastic material.

Description

The overflow system of sealing that is used for bathtub and similar item

The present invention relates to a kind of overflow system that is used for sanitary installation such as bathtub, hot spring bathing pool, eddy flow bathtub, specifically, relate to a kind of overflow system that the overfall of sanitary installation and outfall are coupled together, particularly it is designed in manufacture process or before the shipment, just be connected on the equipment.

Sanitary installation generally is to be provided with an outfall on the base plate of equipment such as bathtub, hot spring bathing pool, eddy flow bathtub, near on the end wall of overfall, be provided with an overfall near the upper edge of equipment.Between outfall and overfall, be provided with one with its pipeline that is connected to each other or pipe.Like this, when water is expired to the overfall height, just can flow into this pipeline and then flow to the sewer that outfall is communicated with.This just can prevent that sealing covers the apical margin or the edge of equipment.

In the shower equipment of pottery or cast iron, overflow system generally is to make passage in aggregates with it.Perhaps, in the shower equipment of steel enamel or polypropylene material, overflow system be separate with equipment and in installation process, be attached on the equipment.This attaching process is time-consuming and inconvenient, has increased the labor cost that bathtub is installed.

The common United States Patent (USP) of transferring the possession of relates to a kind of sealed multicomponent overflow system that is used for tank for 5,179, No. 740.This overflow system comprises a pipe of being made by thermoplastic, and this tube bending becomes to be fit to the curved surface of tank and overfall is connected to sewer.This system also comprises a pair of coupling arrangement, and they are connected in first end of pipe overfall respectively and second end of pipe is connected in sewer.Therefore, for this system robust be attached on the tank, overflow system must be sealed with plastics, this plastics are to be applied in manufacture process on the bottom surface of non-exposure of tank, have so just limited the type of material that can be used for making tank.In addition, also an inner support need be set in the pipe, so that when applying plastic layer, keep the rigidity of pipe.And this technology only limits to tank.Tank generally has a remote draining stopper assembly that is independent of overflow system, and bathtub then generally is that remote draining stopper assembly is formed in the overflow system integratedly.United States Patent (USP) 5,179, No. 740 the overflow system of sealing does not comprise a remote draining stopper assembly, and is not suitable for bathtub.In addition, United States Patent (USP) 5,179,740 the overflow system of sealing comprises the molded member of a plurality of needs difference, thereby each independent manufacture process has increased the cost and the time of making overflow system.Do not see always so far to have when making bathtub just an all-in-one-piece overflow system to be incorporated in the bathtub that to reduce bathtub and the set-up time of similar item and labour's trial, the overflow system that does not also have can seal or do not seal is incorporated into the interior trial of bathtub.

Thereby, obviously wish to have a kind of novel overflow system that can reduce bathtub installation required time and labour.It is desirable for for sanitary installation provide a kind of its all member can be in manufacture process or shipment before be connected overflow system on the equipment.Preferably, overflow system comprises that one can bear the member of institute's applied pressure in molding process.Importantly, for providing a kind of its all member, sanitary installation can under the situation that applies or do not apply the additional packets seal, be attached to overflow system on the equipment.

Thereby one object of the present invention is, reduces sanitary installation the required time is installed.

Another object of the present invention is, simplifies the installation of a sanitary installation.

Another relevant purpose of the present invention is, selectively the overflow system of sanitary installation is sealed.

A further object of the present invention is, a kind of easy manufacturing and overflow system with low cost are provided.

These and other some purpose and advantage all will reach by the present invention, and the present invention provides an all-in-one-piece overflow system that water is caused sewer from overfall for the sanitary installation of bathtub and so on.This sanitary installation comprises that one has the stiff case in the outside of the inboard of a polishing and a non-polishing.By a pipe or title pipeline overfall is connected to sewer.

In a preferred embodiment, overflow system is the pipeline that is shaped as flute profile of a single-piece, and this pipeline has one and is configured as the periphery flange that the curved surface with each specific bathtub matches.First end of this pipeline is constructed to be permeable to cover the overfall of housing, and its second end then is constructed to be permeable to the water in the pipeline is expelled to sewer.This pipeline can weld or be adhered to housing.In addition, also it can be encapsulated in the plastic layer subsequently.

By the detailed description of doing below in conjunction with accompanying drawing, will understand the present invention more all sidedly, in the accompanying drawing:

Fig. 1 is the three-dimensional cutaway view of each member of the overflow system of a prior art, and this overflow system must connect in the installation process of bathtub;

Fig. 2 is the stereogram of the sanitary installation of a bathtub form, and it combines an integral single piece formula overflow system constructed according to the invention;

Fig. 3 is the elevation of the bathtub among Fig. 2;

Fig. 4 is the sectional view of the bathtub among Fig. 2, wherein is provided with a stopper;

Fig. 5 is the rear elevation of single-piece overflow system of the present invention;

Fig. 6 is a kind of partial sectional view of sealing scheme that the bathtub of overflow assembly of the present invention is housed.

Fig. 1 is one of the overflow system of a typical prior art example, and it comprises a plurality of members that must assemble when mounted and be connected on the bathtub.As seen from the figure, when mounted, many members need be connected to each other and be attached on the bathtub.All members are connected to each other and are attached to be needed on the bathtub to expend time in and the labour.

Now see also Fig. 2,3 and 4, it shows the sanitary installation of a bathtub 10 forms, and it combines one according to a preferred embodiment of the present invention and be expressed as 12 overflow system.Bathtub 10 has comprised that one has the housing 14 in the outside of the inboard 16 of a polishing and a non-polishing.Housing 14 has and sidewall 22 and 24 and end wall 26 and 28 integrally formed base plates 20.Sidewall and end wall 22,24,26 and 28 terminate in 29 places, edge.Housing 14 can be made by steel, glass fiber, polymeric material and/or combined material, its method is disclosed in the common United States Patent (USP)s of transferring the possession of 4 of people such as Graefe, 844, in 944 and 4,844,955, and the common United States Patent (USP) of transferring the possession of 5 of people such as Kuszaj, in 049,433, the content that it disclosed will be combined in hereinafter and describe together.

The inboard 16 of polishing can be coated with one deck enamel.If desired, the outside 18 of non-polishing can be coated with one deck polymeric material.Be applicable to that the polymeric material that applies stiff case is disclosed in the common United States Patent (USP) of transferring the possession of 4,664,982 of people such as Gen-ovese, and above-mentioned United States Patent (USP) 4,844,944; In 4,844,955 and 5,049,433, the content of its announcement will be combined in hereinafter and describe.

Overflow system 12 is supported by the non-polishing outside 18 of housing 14.The base plate 20 of housing 14 comprises that one has the outfall 30 of a recessed lip 32, and after bathtub installed, this recessed lip made waste water pass through outfall 30 and flows to the main sewer pipe that links to each other with outfall.The end wall 26 of housing 14 comprises a keep to the side overfall 34 of 29, and when the water in the bathtub 10 is full during to the overfall height, too much water just spills out by this overfall.Overfall 34 can be circle, ellipse or other suitable shape.

According to an aspect of the present invention, the pipeline 35 of a single-piece is bonded to the having on coating or the uncoated surface of the non-polishing outside 18 of housing 14 by periphery flange 36, then can with or also can be applied without polymeric material.Pipeline 35 shown in Figure 5 is groove shaped typically, and it can be made by metal, plastics, polymeric material, thin plate molded composite material or other suitable material.Pipeline should be shaped to can and the shape that matches of the curved surface of various specific bathtub.First end of pipeline 14 or upper end are constructed to be permeable to cover the overfall of housing, and its second end or title lower end then have a discharge orifice 37 corresponding to outfall 30.Pipeline 35 can be with being bonded on the housing such as epoxy, hot melt, the urine gastral cavity or other similar adhesives.The additional polymerization material layer can be connected to pipeline 35 on the housing before the coated polymeric material if desired, and pipeline is just got up by polymeric material encapsulates like this, perhaps also pipeline was bondd up after the polymeric material layer of the coated curing formerly again.Fig. 6 shows the pipeline 35 that is bonded on the housing 14 and is sealed by polymeric material layer 38.

Be provided with a stopper in the outfall 30 or claim stopper 39, it can come actuating by a spring or other suitable device.When the water in the housing 14 arrives the overfall height, just can flow through pipeline 35 until discharge orifice 37 outflows from opening 34 from pipeline 35.Pipeline 35 is connected in main sewer pipe with a kind of known mode when bathtub is installed.

Outfall 30 is connected in nut 41, packing ring 42 and the wedge shaped seal 43 that the required water discharge member of a main sewer pipe may comprise a tail spare 40, belt washer, but may be not limited to these.The assembling of this water discharging part is very simple, it is the drain hole that tail spare 40 is passed bathtub, and the rubber packing spare cover of wedge shape is installed to the bottom of tail spare 40, brass washer 42 covers is installed again, tighten the nut 41 of belt washer subsequently, make the rubber packing spare of wedge shape tightly reach sealing against bathtub.With need compare with the conventional method that outside tube is connected overfall and floss hole shown in Fig. 1, the assembling of this water discharge member is much simple much, quick, and required part is also less.

Thereby, the invention provides a kind of overflow system that is used for the single-piece of bathtub, this system is the member that and bathtub constitute one.This system can be bonded on the bathtub and not add and seal with jointing material, perhaps also can be again by the plastic encapsulation that is bonded in the bathtub soffit after being bonded in bathtub.The heat and the pressure that apply in the mold process of this overflow system in the time can bearing the non-whole external surface that plastic layer is being bonded in bathtub.

Single member overflow system of the present invention has reduced the quantity of the required member of formation overflow drainge system, thereby has reduced the molding equipment of producing these members.And, be just overflow system to be connected in bathtub during fabrication, this just makes the installation process of bathtub easy to be laborsaving.Needs are installed the mega project of many bathtubs, and this is very economical.

Although the present invention is described in detail above in conjunction with preferred embodiment and accompanying drawing thereof; but should be appreciated that; the present invention is not subjected to the restriction of these specific embodiments, and other any change and modification that person skilled in the art are done under the situation that does not depart from essence of the present invention all should fall in the scope of protection of present invention.

Claims

1. overflow system that is used for sanitary installation, described sanitary installation has a housing, described housing has the side of a polishing and the side of a non-polishing, and described housing comprises that also an overfall and can be connected in the outfall of main row's sewer pipe, and this overflow system comprises:

The one described non-polishing side that is connected in described housing, extend the pipeline between described overfall and the described outfall, described pipeline has first end and second end, overfall is stated in the described first end cap residence, outfall is stated in the described second end cap residence, described pipeline is having a perforate near the described second end place, corresponding described outfall is aimed in described perforate, and described pipeline is bonded on the described housing.

2. overflow system as claimed in claim 1 is characterized in that, described pipeline is the member of a monomer.

3. overflow system as claimed in claim 2 is characterized in that described pipeline is a groove shaped.

4. overflow system as claimed in claim 3, it is characterized in that, described pipeline has a periphery flange, and the described non-polishing side of described periphery flange and described housing matches, and also comprises being applied on the described periphery flange in order to described groove is attached to the adhesives on the described housing.

5. overflow system as claimed in claim 4 is characterized in that, described adhesives is a kind of material of selecting from the material group that comprises epoxy, hot melt and urethane.

6. overflow system as claimed in claim 1 is characterized in that it is also further got up by one deck polymeric material encapsulates.

7. overflow system as claimed in claim 1 is characterized in that it also comprises the member that described outfall is connected in described main sewer pipe.

8. overflow system as claimed in claim 7 is characterized in that, described member comprises nut, a packing ring and a seal of a tail spare, a belt washer.

9. overflow system as claimed in claim 1 is characterized in that, it comprises that also one is arranged on the stopper in the described outfall.

10. overflow system as claimed in claim 1 is characterized in that, described pipeline is to be made by the material of selecting from metal and polymeric material.