CA2183394A1 - Change-over separating filter for water mains connection in the domestic and sanitary field - Google Patents
Change-over separating filter for water mains connection in the domestic and sanitary fieldInfo
- Publication number
- CA2183394A1 CA2183394A1 CA 2183394 CA2183394A CA2183394A1 CA 2183394 A1 CA2183394 A1 CA 2183394A1 CA 2183394 CA2183394 CA 2183394 CA 2183394 A CA2183394 A CA 2183394A CA 2183394 A1 CA2183394 A1 CA 2183394A1
- Authority
- CA
- Canada
- Prior art keywords
- valve piston
- change
- operating lever
- separating filter
- over separating
- 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.)
- Abandoned
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 4
- 230000008878 coupling Effects 0.000 claims abstract description 3
- 238000010168 coupling process Methods 0.000 claims abstract description 3
- 238000005859 coupling reaction Methods 0.000 claims abstract description 3
- 238000012856 packing Methods 0.000 claims description 3
- 230000000717 retained effect Effects 0.000 claims 1
- 238000007599 discharging Methods 0.000 abstract 1
- 230000000295 complement effect Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
- F16K31/602—Pivoting levers, e.g. single-sided
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/02—Plumbing installations for fresh water
- E03C1/021—Devices for positioning or connecting of water supply lines
- E03C1/023—Devices for positioning or connecting of water supply lines with flow distribution, e.g. diverters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
- F16K11/085—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
- F16K11/0853—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug having all the connecting conduits situated in a single plane perpendicular to the axis of the plug
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C2201/00—Details, devices or methods not otherwise provided for
- E03C2201/30—Diverter valves in faucets or taps
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Multiple-Way Valves (AREA)
- Mechanically-Actuated Valves (AREA)
- Superheterodyne Receivers (AREA)
Abstract
A change-over separating filter features a housing with an inlet hole and two outlet holes discharging into a central chamber housing a pivoted valve piston in the form of a rotary slide valve. The rotary piston is non-rotatably connected with an operating lever outside of the housing.
The connection is a plug and socket connection containing several coupling settings between valve piston and operating lever.
The connection is a plug and socket connection containing several coupling settings between valve piston and operating lever.
Description
The invention concerns a change-over separating filter for plumbing into water mains in the domestic and care field, with a housing embodying a cylindrical chamber to which are connected two peripherally spaced discharge holes and one discharge hole at least roughly bisecting the circumferential distance, threaded connections being assigned to the openings and embodying a pivoted valve piston inside the chamber that is non-rotatably and axially linked with an operating lever positioned externally to the housing and cylindrically embodied in the area of the cylindrical chamber across cross-sectional areas.
As well as serving as a hand-held shower, change-over separating filters of this type serve to connect additional hydraulically powered apparatus, providing the option of activating either the handheld shower or such apparatus. For elderly and disabled persons, hydraulically operated so-called bath lifts are in use.
With the aid of a change-over separating filter according to the invention such lifts can be connected to the change-over separating filter at any time, rendering them operational as and when needed.
A multiplicity of change-over separating filters in the form of threeway valves is known. Many bathtub fittings integrate such a change-over separating filter in order to allow the switch from bathwater to shower mode, in which case the fitting has a threaded connection for the shower hose. A diverse range of different fittings is commercially available, with add-on connections for the shower sometimes being located on the top, sometimes on the bottom, or in still other fittings even laterally on the drain cock. Direct connection of a change-over separating filter is not possible in many cases since the operating lever would then jolt against a fixture component.
The purpose of the invention is to embody a change-over separating filter such that it is immediately applicable in conjunction with at least such fittings as are most commonly available commercially without having to use e.g. an adapter.
According to the invention this task is solved by having the valve piston coupled with the operating lever by means of a detachable~plug and socket connection featuring at least two different coupling settings.
In actual fact the task could conceivably be solved by making the operating lever so small as not to project beyond the housing contour at any point, though in that case handling -particularly for disabled persons - would be considerably complicated. The solution according to the patent, on the other hand, allows the utilization of longer and hence more easily operated levers which, depending on the situation in which the change-over separating filter is fitted, can nevertheless be coupled non-rotatably to the valve piston in at least two different rotating positions, bringing the swivelling range of the operating lever into a different circumferential area.
It therefore falls within the framework of the invention to provide a square or hexagonal spigot on one of the parts enveloping the valve piston and the operating lever, and to fit the other part with a complementary matching recess. By contrast, however, a particularly preferred form of the embodiment consists of one of these parts having a multiplicity of axial webs in the circumferential area arranged so as to have the same diameter and spacing, the other of the two parts having corresponding complementary axial grooves, thus enabling the operating lever to be sensitively adjusted in the circumferential direction relative to the valve piston.
Advanced embodiments of the invention then consist of the operating lever featuring a pivoting circular collar borne in a cylindrically hollow and possibly offset extension of the cylindrical chamber. For its part, the valve piston is pivoted in the cylindrical chamber, allowing bearing of the operating lever per se to be dispensed with, although the valve piston preferentially embodies a cage packing at its circumference and in order not to subject this to stress from rocking strains this additional feature of the invention serves to prevent the induction of any rocking forces originating from the operating lever.
Another advanced embodiment of the invention also consists of the valve piston featuring an end-flange that engages with a cylindrical aperture section of the housing contiguous with the cylindrical chamber. The valve piston can thus be inserted into the housing in one direction only, the operating lever then being connected to the valve piston by means of an axial screw actuable from one of the frontal faces and passing through a coaxial hole in the valve piston or operating lever and screwed into a flush screw hole on the other of these two parts. The screw head is accommodated preferably in a frontal recess in either of these two revolving parts, preferably in the operating lever, and can be concealed by means of a cap.
The invention is described in more detail with the aid of the drawing, which represents an example of the embodiment.
It shows:
Fig. 1 A view of a change-over separating filter with operating lever;
Fig. 2 An axial sectional view through the change-over separating filter as per Fig. 1; and Fig. 3 A radial sectional view along the line A-A in Fig. 2.
A housing 10 has a cylindrical clearance hole 12 to which two discharge holes 14, 16 and an inlet hole 18, respectively, are connected via radial channels. The three apertures 14, 16, 18 are radially aligned, their respective axes intersecting along the longitudinal axis 22 of the housing 10. The two discharge openings 14, 16 are positioned diametrically opposite each other and are thus arranged equiaxially. The inlet hole 18 is perpendicular. The latter has an internal thread, while both discharge holes 14, 16 are allocated outlet threads. In the cylindrical chamber 12 of the housing 10 is a pivoted valve piston 24 contoured predominantly like a cylindrical shell structure but displaying in the axial area of the bore holes 20 a flattening 27 extending over a circumferential angle of roughly 150. This flattening 27 creates a hollow formed like a segment of a circle, which in certain revolving positions connects the radial channel of the inlet hole 18 with that of either of the discharge holes 14, 16. The valve piston 24 pivots through 90. Both rotating end positions are defined by stops, the valve piston 24 featuring an annular flange 26 on its right-hand side, illustrated in Fig. 2, accommodated in a cylindrical shoulder 28 of the housing 10 and near which a projection 30 extends axially inwards, reaching into a circumferential recess of the housing 10, the peripheral angle of which is equal to the nominal angle of rotation of the valve piston 24 plus double the width of the projection 30.
The valve piston 24 is provided with two axially spaced circular grooves 32, 34, which between them house the axial area of the bore holes 20. Both circular grooves 32, 34 are interconnected through two axial grooves 36. This grooving arrangement contains a cage packing 36 which seals off the axial area of the radial channels 20 externally and between two peripheral areas.
The annular piston 24 is connected non-rotatably but detachably with a hand lever 40. The hand lever 40 features a circular collar 42 pivoted in a cylindrically hollow extension 44 of the toroidal chamber 12. Engaging with the circular collar 42 is a shoulder 46 of the valve piston 24, positioned coaxially to these and featuring a number of tightly spaced axial fins 48 at its periphery. The inner circumference of the circular collar 42 of the operating lever 40 is complementarily embodied; the operating lever 40 can therefore be sensitively adjusted in respect of its rotating position relative to the valve piston 24. To this end the operating lever 40 merely needs to be axially retracted from the housing 10 and pushed back into a suitable new rotating position. Axial securing of the operating lever 40 at the valve piston 24 is achieved by means of a screw 50 passing through a central hole in the operating lever 40 and screwed into a coaxial screw hole on the shoulder 46. The head of the screw ~0 is located in a frontal recess 52 of the operating lever 40, which can be sealed with a cap.
Were the change-over separating filter shown in the figures to be screwed to a threaded outlet on the bottom of a drain cock, the operating lever 40 would certainly collide with the outlet, assuming the threaded shoulder is only short. According to the invention, however, the operating lever 40 can be secured, once twisted e.g. through 180, to the valve piston 24, so as to point down to the left instead of the illustrated position pointing up to the right. The swivelling range of the hand lever 40 is then underneath the housing 10.
The same applies if the shower water connection piece is fitted to the top of the blender fitting. The housing 10 is then fitted overhead, as it were. Here again the operating lever 40, which then extends downwards, can fall foul of the fitting, which can be avoided by replugging the hand-held operating lever 40 into a different socket. Owing to the sensitivity of the axial denticulation between the shoulder 46 of the valve piston 24 and the operating lever 40, the relative rotating position of the operating lever 40 can be positioned in the range favourable at any given time, providing a high degree of operating facility.
As well as serving as a hand-held shower, change-over separating filters of this type serve to connect additional hydraulically powered apparatus, providing the option of activating either the handheld shower or such apparatus. For elderly and disabled persons, hydraulically operated so-called bath lifts are in use.
With the aid of a change-over separating filter according to the invention such lifts can be connected to the change-over separating filter at any time, rendering them operational as and when needed.
A multiplicity of change-over separating filters in the form of threeway valves is known. Many bathtub fittings integrate such a change-over separating filter in order to allow the switch from bathwater to shower mode, in which case the fitting has a threaded connection for the shower hose. A diverse range of different fittings is commercially available, with add-on connections for the shower sometimes being located on the top, sometimes on the bottom, or in still other fittings even laterally on the drain cock. Direct connection of a change-over separating filter is not possible in many cases since the operating lever would then jolt against a fixture component.
The purpose of the invention is to embody a change-over separating filter such that it is immediately applicable in conjunction with at least such fittings as are most commonly available commercially without having to use e.g. an adapter.
According to the invention this task is solved by having the valve piston coupled with the operating lever by means of a detachable~plug and socket connection featuring at least two different coupling settings.
In actual fact the task could conceivably be solved by making the operating lever so small as not to project beyond the housing contour at any point, though in that case handling -particularly for disabled persons - would be considerably complicated. The solution according to the patent, on the other hand, allows the utilization of longer and hence more easily operated levers which, depending on the situation in which the change-over separating filter is fitted, can nevertheless be coupled non-rotatably to the valve piston in at least two different rotating positions, bringing the swivelling range of the operating lever into a different circumferential area.
It therefore falls within the framework of the invention to provide a square or hexagonal spigot on one of the parts enveloping the valve piston and the operating lever, and to fit the other part with a complementary matching recess. By contrast, however, a particularly preferred form of the embodiment consists of one of these parts having a multiplicity of axial webs in the circumferential area arranged so as to have the same diameter and spacing, the other of the two parts having corresponding complementary axial grooves, thus enabling the operating lever to be sensitively adjusted in the circumferential direction relative to the valve piston.
Advanced embodiments of the invention then consist of the operating lever featuring a pivoting circular collar borne in a cylindrically hollow and possibly offset extension of the cylindrical chamber. For its part, the valve piston is pivoted in the cylindrical chamber, allowing bearing of the operating lever per se to be dispensed with, although the valve piston preferentially embodies a cage packing at its circumference and in order not to subject this to stress from rocking strains this additional feature of the invention serves to prevent the induction of any rocking forces originating from the operating lever.
Another advanced embodiment of the invention also consists of the valve piston featuring an end-flange that engages with a cylindrical aperture section of the housing contiguous with the cylindrical chamber. The valve piston can thus be inserted into the housing in one direction only, the operating lever then being connected to the valve piston by means of an axial screw actuable from one of the frontal faces and passing through a coaxial hole in the valve piston or operating lever and screwed into a flush screw hole on the other of these two parts. The screw head is accommodated preferably in a frontal recess in either of these two revolving parts, preferably in the operating lever, and can be concealed by means of a cap.
The invention is described in more detail with the aid of the drawing, which represents an example of the embodiment.
It shows:
Fig. 1 A view of a change-over separating filter with operating lever;
Fig. 2 An axial sectional view through the change-over separating filter as per Fig. 1; and Fig. 3 A radial sectional view along the line A-A in Fig. 2.
A housing 10 has a cylindrical clearance hole 12 to which two discharge holes 14, 16 and an inlet hole 18, respectively, are connected via radial channels. The three apertures 14, 16, 18 are radially aligned, their respective axes intersecting along the longitudinal axis 22 of the housing 10. The two discharge openings 14, 16 are positioned diametrically opposite each other and are thus arranged equiaxially. The inlet hole 18 is perpendicular. The latter has an internal thread, while both discharge holes 14, 16 are allocated outlet threads. In the cylindrical chamber 12 of the housing 10 is a pivoted valve piston 24 contoured predominantly like a cylindrical shell structure but displaying in the axial area of the bore holes 20 a flattening 27 extending over a circumferential angle of roughly 150. This flattening 27 creates a hollow formed like a segment of a circle, which in certain revolving positions connects the radial channel of the inlet hole 18 with that of either of the discharge holes 14, 16. The valve piston 24 pivots through 90. Both rotating end positions are defined by stops, the valve piston 24 featuring an annular flange 26 on its right-hand side, illustrated in Fig. 2, accommodated in a cylindrical shoulder 28 of the housing 10 and near which a projection 30 extends axially inwards, reaching into a circumferential recess of the housing 10, the peripheral angle of which is equal to the nominal angle of rotation of the valve piston 24 plus double the width of the projection 30.
The valve piston 24 is provided with two axially spaced circular grooves 32, 34, which between them house the axial area of the bore holes 20. Both circular grooves 32, 34 are interconnected through two axial grooves 36. This grooving arrangement contains a cage packing 36 which seals off the axial area of the radial channels 20 externally and between two peripheral areas.
The annular piston 24 is connected non-rotatably but detachably with a hand lever 40. The hand lever 40 features a circular collar 42 pivoted in a cylindrically hollow extension 44 of the toroidal chamber 12. Engaging with the circular collar 42 is a shoulder 46 of the valve piston 24, positioned coaxially to these and featuring a number of tightly spaced axial fins 48 at its periphery. The inner circumference of the circular collar 42 of the operating lever 40 is complementarily embodied; the operating lever 40 can therefore be sensitively adjusted in respect of its rotating position relative to the valve piston 24. To this end the operating lever 40 merely needs to be axially retracted from the housing 10 and pushed back into a suitable new rotating position. Axial securing of the operating lever 40 at the valve piston 24 is achieved by means of a screw 50 passing through a central hole in the operating lever 40 and screwed into a coaxial screw hole on the shoulder 46. The head of the screw ~0 is located in a frontal recess 52 of the operating lever 40, which can be sealed with a cap.
Were the change-over separating filter shown in the figures to be screwed to a threaded outlet on the bottom of a drain cock, the operating lever 40 would certainly collide with the outlet, assuming the threaded shoulder is only short. According to the invention, however, the operating lever 40 can be secured, once twisted e.g. through 180, to the valve piston 24, so as to point down to the left instead of the illustrated position pointing up to the right. The swivelling range of the hand lever 40 is then underneath the housing 10.
The same applies if the shower water connection piece is fitted to the top of the blender fitting. The housing 10 is then fitted overhead, as it were. Here again the operating lever 40, which then extends downwards, can fall foul of the fitting, which can be avoided by replugging the hand-held operating lever 40 into a different socket. Owing to the sensitivity of the axial denticulation between the shoulder 46 of the valve piston 24 and the operating lever 40, the relative rotating position of the operating lever 40 can be positioned in the range favourable at any given time, providing a high degree of operating facility.
Claims (8)
1. Change-over separating filter for connection to water mains in the domestic and care field, with a housing (10) embodying a cylindrical chamber (12) to which are connected two peripherally spaced discharge holes (14, 16) and one discharge hole (18) at least roughly bisecting this circumferential distance, threaded connections being assigned to the openings (14-18) and embodying a pivoted valve piston (24) positioned in the chamber (12) non-rotatably and axially linked with an operating lever (40) positioned externally to the housing (10) and cylindrically embodied in the area of the cylindrical chamber (12) across cross-sectional areas, characterized in that the valve piston (24) is coupled with the operating lever (40) by means of a detachable plug and socket connection (42, 46) featuring at least two different coupling settings.
2. Change-over separating filter in accordance with claim 1, characterized in that the valve piston (24) features a coaxial shoulder (46) whose contour is non-circular in design and whose operating lever (40) presents a frontal recess forming a non-twistable clinch around the shoulder (46) with gliding clearance.
3. Change-over separating filter in accordance with claim 1, characterized in that the operating lever (40) features a pivoting circular collar (42) borne in a cylindrically hollow and possibly offset extension (44) of the cylindrical chamber (12).
4. Change-over separating filter [in accordance with]
claim 1, characterized in that one of the parts enveloping the valve piston (24) and the operating lever (40) features a multiplicity of axial webs in the circumferential area arranged so as to have the same diameter and spacing, the other part (40, 24) being complementarily designed with matching axial grooves.
claim 1, characterized in that one of the parts enveloping the valve piston (24) and the operating lever (40) features a multiplicity of axial webs in the circumferential area arranged so as to have the same diameter and spacing, the other part (40, 24) being complementarily designed with matching axial grooves.
5. Change-over separating filter in accordance with claim 1, characterized in that the valve piston (24) features an end-flange (26) engaging with a larger-diameter cylindrical aperture section (28) contiguous with the cylindrical chamber (12).
6. Change-over separating filter in accordance with claim 1, characterized in that the valve piston (24) and the operating lever (40) are interconnected by means of an axial screw actuable from one face and passing through a coaxial hole in the valve piston (24) or in the operating lever (40) and screwed into a flush screw hole on the other of these two parts (24, 40).
7. Change-over separating filter in accordance with claim 1, characterized in that the valve piston (24) features two parallel ring grooves (32, 24) interconnected by means of two axial grooves (36), the groove arrangement being retained in a single-storey cage packing (38).
8. Change-over separating filter in accordance with claim 1, characterized in that the valve piston (24) near to one end features a radial extension (30) which for the purpose of restricting the angle of rotation meshes into a ring groove on the housing (10) extending over one part only of the circumference.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE29513138.1 | 1995-08-16 | ||
| DE29513138U DE29513138U1 (en) | 1995-08-16 | 1995-08-16 | Changeover switch for connection to taps and mixer taps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2183394A1 true CA2183394A1 (en) | 1997-02-17 |
Family
ID=8011820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2183394 Abandoned CA2183394A1 (en) | 1995-08-16 | 1996-08-15 | Change-over separating filter for water mains connection in the domestic and sanitary field |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0762029A3 (en) |
| JP (1) | JPH09112738A (en) |
| CA (1) | CA2183394A1 (en) |
| DE (1) | DE29513138U1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19823423B4 (en) * | 1998-05-26 | 2006-06-01 | Kludi Gmbh & Co.Kg | Fastening element for a valve handle |
| DE102010018671A1 (en) * | 2010-04-28 | 2011-11-03 | Grohe Ag | Sanitary mixer tap, in particular for a shower device |
| IT1402392B1 (en) * | 2010-10-08 | 2013-09-04 | Bollo | DEVIATOR DEVICE, PARTICULARLY FOR SANITARY APPLIANCES AS SHOWERS, TANKS AND THE LIKE. |
| US9086016B2 (en) | 2013-04-16 | 2015-07-21 | Bell Helicopter Textron Inc. | Fuel drain valve for a turbine engine |
| DE102016219081B3 (en) | 2016-09-30 | 2018-03-29 | Melag Medizintechnik Ohg | Valve assembly and thus equipped fluid-carrying device |
| JP7097106B1 (en) * | 2021-01-13 | 2022-07-07 | 源美股▲分▼有限公司 | Multi-way branch coupler for faucets |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1609964A (en) * | 1925-01-19 | 1926-12-07 | Frank M Roby | Three-way valve |
| US2271075A (en) * | 1940-08-16 | 1942-01-27 | Ingersoll Rand Co | Connecting device |
| DE1213683B (en) * | 1962-01-29 | 1966-03-31 | Schloesser Kg Johann | Regulating valve for one-pipe heating systems |
| DE2355582A1 (en) * | 1973-11-07 | 1975-05-15 | Erwin Damrau | Bathing bench for handicapped persons - can be hydraulically raised or lowered by mains water pressure |
| JPS5545943U (en) * | 1978-09-22 | 1980-03-26 | ||
| US4655252A (en) * | 1980-03-24 | 1987-04-07 | Krumhansl Mark U | Valves |
| DE3037804C2 (en) * | 1980-10-07 | 1982-11-18 | Friedrich Grohe Armaturenfabrik Gmbh & Co, 5870 Hemer | Mixing valve |
| US4445529A (en) * | 1981-08-31 | 1984-05-01 | Speakman Company | Adjustable valve handle |
| JPS63501841A (en) * | 1985-12-20 | 1988-07-28 | ジ・アップジョン・カンパニ− | Tissue plasminogen activator (TPA) homologues |
| US5165456A (en) * | 1991-04-16 | 1992-11-24 | Woolman Richard F | Diverter apparatus and method for saving fresh water |
-
1995
- 1995-08-16 DE DE29513138U patent/DE29513138U1/en not_active Expired - Lifetime
-
1996
- 1996-08-10 EP EP96112918A patent/EP0762029A3/en not_active Withdrawn
- 1996-08-15 CA CA 2183394 patent/CA2183394A1/en not_active Abandoned
- 1996-08-16 JP JP23476096A patent/JPH09112738A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE29513138U1 (en) | 1995-10-12 |
| EP0762029A2 (en) | 1997-03-12 |
| EP0762029A3 (en) | 1997-12-03 |
| JPH09112738A (en) | 1997-05-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |
Effective date: 19990817 |