CA2253040A1 - Method of closing an opening in pressure applications and closure for use in pressure applications - Google Patents
Method of closing an opening in pressure applications and closure for use in pressure applications Download PDFInfo
- Publication number
- CA2253040A1 CA2253040A1 CA 2253040 CA2253040A CA2253040A1 CA 2253040 A1 CA2253040 A1 CA 2253040A1 CA 2253040 CA2253040 CA 2253040 CA 2253040 A CA2253040 A CA 2253040A CA 2253040 A1 CA2253040 A1 CA 2253040A1
- Authority
- CA
- Canada
- Prior art keywords
- plug
- locking member
- exterior surface
- pressure
- retaining seat
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/03—Pressure vessels, or vacuum vessels, having closure members or seals specially adapted therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
A method and apparatus for closing an opening in pressure applications includes a pressure containing body having an exterior surface. A passage extends from an interior of the body to the exterior surface. A plug retaining seat is positioned around a periphery of the passage recessed from the exterior surface. A locking member retaining channel extends across the opening. A plug carrying a seal engages the plug retaining seat. A locking member is confined within and axially slidable along the channel to overlie the plug. The overlying locking member prevents pressure within the body from dislodging the plug from the plug retaining seat.
Description
TITLE OF THE INVENTION:
method of closing an opening in pressure applications and closure for use in pressure applications NAMES) OF INVENTOR(S):
Jim Wiedemann Dennis Gingras FIELD OF THE INVENTION
The present invention relates to a method of closing an opening in pressure applications and a closure for use in pressure applications.
BACKGROUND OF THE INVENTION
A common method for sealing an opening in a pressure application is to place a closure plate, with incorporated seal, over the opening. This involves drilling or tapping of a plurality of bolt receiving apertures around a periphery of the opening. It also involves a proper torquing of bolts which are inserted into the bolt receiving apertures to ensure that forces are distributed equally amongst the bolts which serve to hold the closure plate in place.
SUMMARY OF THE INVENTION
What is required is an alternate form of closure for use in pressure applications which eliminates drilling, tapping and torquing of bolt patterns.
According to the present invention there is provided a closure for use in pressure applications which includes a pressure containing body having an exterior surface . A passage extends from an interior of the body to the exterior surface.
A plug retaining seat is positioned around a periphery of the passage recessed from the exterior surface. A locking member retaining channel extends across the opening. A plug carrying a seal engages the plug retaining seat. A locking member is confined within and axially slidable along the channel to overlie the plug. The overlying locking member prevents pressure within the body from dislodging the plug from the plug retaining seat.
The closure, as described above, is effective in maintaining the plug in position, notwithstanding pressure from within the body. It can rapidly be placed into position and provides an alternative to plates retained by bolts.
There are several alternative ways of mounting a seal to the plug. It is preferred that the seal be a peripheral seal that is mounted to the periphery of the plug. Depending upon seal positioning the seal can engage the passage or the seal retaining seat.
Although beneficial results may be obtained through the use of the closure, as described above, the most effective form of locking member is one that becomes more tightly engaged as the pressure increases. Even more beneficial results may, therefore, be obtained when the locking member has a first face, a second face and sidewalls that slope outwardly proximate the first face to proximate the second face. The channel has an upper edge, a lower edge, and sidewalls that slope outwardly proximate the upper edge to proximate the lower edge. As pressure increases the sloping sidewalls make it impossible for the pressure to dislodge the locking member and result in the sidewalls of the locking member engaging the sidewalls of the channel with increasing force as pressure increases.
According to another aspect of the present invention there is provided a method of closing an opening in pressure applications. A pressure containing body is provided having an exterior surface and a passage extending from an interior of the body to the exterior surface. A plug retaining seat is positioned around a periphery of the passage recessed from the exterior surface. A locking member retaining channel is positioned across the opening. A seal is effected by inserting a plug carrying a seal into the passage to engage the plug retaining seat. The plug is maintained in position by inserting a locking member which is confined within and axially slidable along the channel to overlie the plug. The overlying locking member prevents pressure within the body from dislodging the plug from the plug retaining seat.
BRIEF DESCRIPTION OF THE DRATnIINGS
These and other features of the invention will become more apparent from the following description in which reference is made to the appended drawings, wherein:
FIGURE 1 is a top plan view of a closure constructed in accordance with the teachings of the present invention.
FIGURE 2 is a first side elevation view, in section, of the closure illustrated in FIGURE 1.
FIGURE 3 is a second side elevation view, in section, of the closure illustrated in FIGURE 1.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
The preferred embodiment, a closure for use in pressure applications, generally identified by reference numeral 10, will now be described with reference to FIGURES 1 through 3.
Referring to FIGURE 2, closure 10 includes a pressure containing body 12 having an exterior surface 14. A passage 16 extends from exterior surface 14 to interior 18 of body 12.
Passage 16 has an interior surface 19. A circumferential shoulder forms a plug retaining seat 20 in interior surface 19 of passage 16. Plug retaining seat 20 is spaced from exterior surface 14. A locking member retaining channel 26 extends across passage 16 between plug retaining seat 20 and exterior surface 14. Channel 26 has an upper edge 28, a lower edge 30, and sidewalk 32 that slope outwardly proximate upper edge 28 to proximate lower edge 30.
method of closing an opening in pressure applications and closure for use in pressure applications NAMES) OF INVENTOR(S):
Jim Wiedemann Dennis Gingras FIELD OF THE INVENTION
The present invention relates to a method of closing an opening in pressure applications and a closure for use in pressure applications.
BACKGROUND OF THE INVENTION
A common method for sealing an opening in a pressure application is to place a closure plate, with incorporated seal, over the opening. This involves drilling or tapping of a plurality of bolt receiving apertures around a periphery of the opening. It also involves a proper torquing of bolts which are inserted into the bolt receiving apertures to ensure that forces are distributed equally amongst the bolts which serve to hold the closure plate in place.
SUMMARY OF THE INVENTION
What is required is an alternate form of closure for use in pressure applications which eliminates drilling, tapping and torquing of bolt patterns.
According to the present invention there is provided a closure for use in pressure applications which includes a pressure containing body having an exterior surface . A passage extends from an interior of the body to the exterior surface.
A plug retaining seat is positioned around a periphery of the passage recessed from the exterior surface. A locking member retaining channel extends across the opening. A plug carrying a seal engages the plug retaining seat. A locking member is confined within and axially slidable along the channel to overlie the plug. The overlying locking member prevents pressure within the body from dislodging the plug from the plug retaining seat.
The closure, as described above, is effective in maintaining the plug in position, notwithstanding pressure from within the body. It can rapidly be placed into position and provides an alternative to plates retained by bolts.
There are several alternative ways of mounting a seal to the plug. It is preferred that the seal be a peripheral seal that is mounted to the periphery of the plug. Depending upon seal positioning the seal can engage the passage or the seal retaining seat.
Although beneficial results may be obtained through the use of the closure, as described above, the most effective form of locking member is one that becomes more tightly engaged as the pressure increases. Even more beneficial results may, therefore, be obtained when the locking member has a first face, a second face and sidewalls that slope outwardly proximate the first face to proximate the second face. The channel has an upper edge, a lower edge, and sidewalls that slope outwardly proximate the upper edge to proximate the lower edge. As pressure increases the sloping sidewalls make it impossible for the pressure to dislodge the locking member and result in the sidewalls of the locking member engaging the sidewalls of the channel with increasing force as pressure increases.
According to another aspect of the present invention there is provided a method of closing an opening in pressure applications. A pressure containing body is provided having an exterior surface and a passage extending from an interior of the body to the exterior surface. A plug retaining seat is positioned around a periphery of the passage recessed from the exterior surface. A locking member retaining channel is positioned across the opening. A seal is effected by inserting a plug carrying a seal into the passage to engage the plug retaining seat. The plug is maintained in position by inserting a locking member which is confined within and axially slidable along the channel to overlie the plug. The overlying locking member prevents pressure within the body from dislodging the plug from the plug retaining seat.
BRIEF DESCRIPTION OF THE DRATnIINGS
These and other features of the invention will become more apparent from the following description in which reference is made to the appended drawings, wherein:
FIGURE 1 is a top plan view of a closure constructed in accordance with the teachings of the present invention.
FIGURE 2 is a first side elevation view, in section, of the closure illustrated in FIGURE 1.
FIGURE 3 is a second side elevation view, in section, of the closure illustrated in FIGURE 1.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
The preferred embodiment, a closure for use in pressure applications, generally identified by reference numeral 10, will now be described with reference to FIGURES 1 through 3.
Referring to FIGURE 2, closure 10 includes a pressure containing body 12 having an exterior surface 14. A passage 16 extends from exterior surface 14 to interior 18 of body 12.
Passage 16 has an interior surface 19. A circumferential shoulder forms a plug retaining seat 20 in interior surface 19 of passage 16. Plug retaining seat 20 is spaced from exterior surface 14. A locking member retaining channel 26 extends across passage 16 between plug retaining seat 20 and exterior surface 14. Channel 26 has an upper edge 28, a lower edge 30, and sidewalk 32 that slope outwardly proximate upper edge 28 to proximate lower edge 30.
Referring to FIGURE 3, a plug 34 carrying a peripheral seal 36 engages plug retaining seat 20. Plug 34 has a first face 46, a second face 48 and sidewalls 50. A circumferential groove 52 is cut within sidewalls 50. Seal 36 is retained within groove 52. Plug 34 is sized to be removably insertable within passage 16 so that sidewalls 50 of plug 34 fit closely within passage 16 with seal 36 engaging interior surface 19 of passage 16. A locking member 38 is confined within and is axially slidable along channel 26 to overlie plug 34. The overlying position of locking member 38 prevents pressure within body 12 from dislodging plug 34 from the plug retaining seat 20. Locking member 38 has a first face 40, a planar second face 42 and sidewalls 44 that slope outwardly proximate first face 40 to proximate planar face 42.
The use and operation of closure 10 will now be described with reference to FIGURES 1 through 3, and the teachings of the preferred method. Referring to FIGURE 2, there is provided body 12 with passage 16 and locking member retaining channel 26, as described above. Referring to FIGURE 3, plug 34 is inserted into passage 16 until plug 34 engages plug retaining seat 20 and seal 36 engages interior surface 19. Locking member 38 is axially slid along channel 26 to overlie plug 34.
The overlying position of locking member 38 prevents pressure within body 12 from dislodging plug 34 from plug retaining seat 20. As pressure increases, sloping sidewalls 44 of locking member 38 are pressed with every increasing force against sloped sidewalls 32 of channel 26.
It will be apparent to one skilled in the art that modifications may be made to the illustrated embodiment without departing from the spirit and scope of the invention as hereinafter defined in the Claims.
The use and operation of closure 10 will now be described with reference to FIGURES 1 through 3, and the teachings of the preferred method. Referring to FIGURE 2, there is provided body 12 with passage 16 and locking member retaining channel 26, as described above. Referring to FIGURE 3, plug 34 is inserted into passage 16 until plug 34 engages plug retaining seat 20 and seal 36 engages interior surface 19. Locking member 38 is axially slid along channel 26 to overlie plug 34.
The overlying position of locking member 38 prevents pressure within body 12 from dislodging plug 34 from plug retaining seat 20. As pressure increases, sloping sidewalls 44 of locking member 38 are pressed with every increasing force against sloped sidewalls 32 of channel 26.
It will be apparent to one skilled in the art that modifications may be made to the illustrated embodiment without departing from the spirit and scope of the invention as hereinafter defined in the Claims.
Claims (4)
1. A closure for use in pressure applications, comprising in combination:
a pressure containing body having an exterior surface, a passage extending from an interior of the body to the exterior surface, and a plug retaining seat positioned around a periphery of the passage recessed from the exterior surface;
a locking member retaining channel extending across the opening;
a plug carrying a seal engaging the plug retaining seat;
a locking member confined within and axially slidable along the channel to overlie the plug, whereby the overlying locking member prevents pressure within the body from dislodging the plug from the plug retaining seat.
a pressure containing body having an exterior surface, a passage extending from an interior of the body to the exterior surface, and a plug retaining seat positioned around a periphery of the passage recessed from the exterior surface;
a locking member retaining channel extending across the opening;
a plug carrying a seal engaging the plug retaining seat;
a locking member confined within and axially slidable along the channel to overlie the plug, whereby the overlying locking member prevents pressure within the body from dislodging the plug from the plug retaining seat.
2. The closure as defined in Claim 1, the seal on the plug being a peripheral seal.
3. The closure as defined in Claim 1, wherein the locking member has a first face, a second face and sidewalls that slope outwardly proximate the first face to proximate the second face, and the channel has an upper edge, a lower edge, and sidewalls the slope outwardly proximate the upper edge to proximate the lower edge.
4. A method of closing an opening in pressure applications, comprising the steps of:
providing a pressure containing body having an exterior surface and a passage extending from an interior of the body to the exterior surface;
positioning a plug retaining seat around a periphery of the passage recessed from the exterior surface;
positioning a locking member retaining channel across the opening;
inserting a plug carrying a seal into the passage to engage the plug retaining seat; and inserting a locking member which is confined within and axially slidable along the channel to overlie the plug, whereby the overlying locking member prevents pressure within the body from dislodging the plug from the plug retaining seat.
providing a pressure containing body having an exterior surface and a passage extending from an interior of the body to the exterior surface;
positioning a plug retaining seat around a periphery of the passage recessed from the exterior surface;
positioning a locking member retaining channel across the opening;
inserting a plug carrying a seal into the passage to engage the plug retaining seat; and inserting a locking member which is confined within and axially slidable along the channel to overlie the plug, whereby the overlying locking member prevents pressure within the body from dislodging the plug from the plug retaining seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2253040 CA2253040A1 (en) | 1998-11-05 | 1998-11-05 | Method of closing an opening in pressure applications and closure for use in pressure applications |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2253040 CA2253040A1 (en) | 1998-11-05 | 1998-11-05 | Method of closing an opening in pressure applications and closure for use in pressure applications |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2253040A1 true CA2253040A1 (en) | 2000-05-05 |
Family
ID=29425593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2253040 Abandoned CA2253040A1 (en) | 1998-11-05 | 1998-11-05 | Method of closing an opening in pressure applications and closure for use in pressure applications |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2253040A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010102645A1 (en) * | 2009-03-11 | 2010-09-16 | Avure Technologies Ab | Pressure vessel for a high pressure press |
-
1998
- 1998-11-05 CA CA 2253040 patent/CA2253040A1/en not_active Abandoned
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010102645A1 (en) * | 2009-03-11 | 2010-09-16 | Avure Technologies Ab | Pressure vessel for a high pressure press |
| CN102439348A (en) * | 2009-03-11 | 2012-05-02 | 艾维尔技术公司 | Pressure vessel for a high pressure press |
| US8528763B2 (en) | 2009-03-11 | 2013-09-10 | Avure Technologies Ab | Pressure vessel for a high pressure press |
| CN102439348B (en) * | 2009-03-11 | 2014-04-23 | 艾维尔技术公司 | Pressure vessel for a high pressure press |
| EP2728239A3 (en) * | 2009-03-11 | 2015-12-02 | Avure Technologies AB | Pressure vessel for a high pressure press |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Dead |