FI113978B - Implementation device and method applicable to a first recess in space or space delimiting unit - Google Patents

Description

113978 Penetration Device and Method for Adapting to a First Aperture in a Room or Space Bounding Unit - Genomföringsanordning och förfa-rande applicerbar

ENGINEERING

The present invention relates to a bushing device to be fitted into the first opening 10 which has a room or space of limitation in the unit and is equipped with its own second opening, which openings in the body, for example a media-conveying conduit or an electricity cable, is to extend the room / space between the exterior and the interior, which device comprises both one or more seals providing sealing around the first aperture and against the abovementioned member, by means of a plate-like unit 15 made of fastening means, such as adhesive tape, which allows the plate-like unit to be secured to the surface of the room or space enclosure in front of the first opening.

The invention also relates to a method for providing a sealed passageway of a member, for example a fluid-carrying pipe or electric cable, in the first opening of a room or space enclosing unit (ceiling, floor, wall, etc.).

BACKGROUND OF THE INVENTION

25 Penetrations of pipes, electric cables, etc. into wall, ceiling and floor structures are known in the art. Such passageways are known in connection with spaces and rooms which require that each passageway meet the sealing and / or sterility requirement, and such; As an example of such penetrations can be mentioned penetrations that are connected to pipes and process equipment in the pharmaceutical, food and / or chemical industries.

: · 30

DESCRIPTION OF THE INVENTION v% TECHNICAL PROBLEM

There are several requirements for this type of lead-through. Every lead-through; 35 is mm. be easy to install and nevertheless provide a • sealed lead-through that prevents leakage from the surrounding area. This requirement is particularly important in the case of sterile facilities / clean rooms / process rooms. In addition, the passageway, when viewed from the inside of the space or the like, must have a flat structure that does not collect dust, to facilitate cleaning of the passageway environment. Other requirements may be that the lead-through must withstand high temperatures and consist of uniformly standardized equipment. The invention is intended to solve all or some of these problems.

5

It is also important to be able to prevent mechanical forces from spreading and affecting the sealing action or interfering with the passage itself, which is common in so-called rigid passages. The invention provides a solution to this problem since it also prevents the seal (sealing function) from being significantly affected by the heating, cooling and / or vibrations of the member (pipe) passing through the lead-through.

In the case of this type of lead-through, structures are generally described which are characterized by a number of components that must be assembled and installed in connection with the installation work. This makes installation difficult. The requirement is that it should be possible to install the through-pass by using only an easily assembled prefabricated component. The invention also provides a solution to this problem.

SOLUTION

The main feature of the new lead-through device is that the plate-like unit consists only of a self-centering unit with respect to the member, comprising first and second plate-like elements and a seal therebetween, the second opening comprising two through-openings fitted to the first and second elements. · '·. that said sealing extends into the second opening and seals against the outside of the member when the member is inserted into the first and second openings, preferably that the plate-like unit is also circumferentially sealed against said surface by means of sealing means, e.g. * and that the shape of the plate-like unit and the attachment means, when viewed from the inside of the room or space, is flat and extends only slightly above said surface 30 for easy cleaning. By means of this means, the plate-like member may be fixed to an existing surface of the unit so that the second opening is aligned with the first opening of the unit. In this case, the plate-like '! the unit comprises a seal extending into a second opening, which seal, after being inserted into the first and second openings, forms a seal against the outside of the member (tube, f,: 35, cable, etc.). The plate-like member is also designed to seal:: · · against the above-mentioned surface of the unit using adhesive, binder or the like as sealing means.

113978 3

In a preferred embodiment, the height of the plate-like member is between 1.5 and 10 mm. In the exemplary embodiment, the height is about 3 mm. The plate-like member comprises a back surface which can be placed against the above-mentioned surface of the unit. The lead-through device may be implemented so as to comprise first and second plate-like members with a sealing member mounted therebetween. The first and second plate-like members, as well as the seal, have a through opening. In this case, the first member may have the abovementioned dorsal surface. Preferably, the second member extends beyond the first member and the sealing means is disposed around the periphery of the first and second plate-like members. The fastening means, which may consist of a double-sided adhesive tape 10, are fitted to the protruding parts of the second plate-like member. The second seal may be in the form of an adhesive joint extending around the periphery of the plate-like members. In a preferred embodiment, the plate-like member is made of stainless steel, enamelled thin metal, or polymeric material. The gasket of the plate-like member is formed or comprises a rubber or elastomeric material, for example 15 EPDM or silicone. When viewed from the inside of the space, the plate-like member has a flat shape that protrudes just above the unit's covering surface, i.e., ceiling, floor, wall, etc. The flat structure that protrudes just above the above surface means that cleaning is easy and prevents dust accumulation. The plate-like member is used in lead-through devices in sterile rooms, clean rooms, or process rooms. The choice of material is therefore made so that the penetration device can withstand high temperatures, that is, temperatures up to 145 ° C, for two hours.

. The process according to the invention is characterized in that the plate-like unit is prefabricated, whereby it is manufactured by means of two plate-like elements ... made by through-holes which form said second opening, and which are arranged with each other so that said sealing in between, and that the seal '·' * oF PROCEDURE is allowed to extend to the second opening, so that the fitting member to the first and second openings, it may be in sealing the outside of the cooperative member 30 with the plate-shaped unit is sealed inside the bounding a room or space unit: against the surface preferably by means of a silicone joint or similar means and: · that the flat unit and the joint have been given or given a uniform shape which extends just above said surface for the purpose of simple cleaning. The plate-like member is sealed against the unit by a joint around the periphery of the member by means of an adhesive, binder or similar sealant. In the positioning of the member: pipe, cable, etc., the first and second openings are sealed against the outside of the member by a sealing means in the plate-like member extending into the second opening.

113978 4

According to a preferred embodiment, the sealing means is designed to provide sealing even when the member (tube or the like) fitted to the lead-through device moves, for example, in the axial direction due to heating, cooling, etc. or when it vibrates.

BENEFITS

The above construction provides an easily prefabricated component consisting of solid structural elements, which in themselves represent a proven technique for sealing and heat resistance. Prefabricated components are easy to store and handle. The components can be placed exceptionally easily in an opening in a ceiling, floor or wall structure. The member, for example a tube, may expand or contract, vibrate, or move (pi-15 in a downward direction) while maintaining high sealing power.

DESCRIPTION OF THE FIGURES

The presently described embodiment of the device and method according to the invention will now be described with reference to the accompanying drawings, in which Fig. 1 is a horizontal view of first embodiments of a plate-like member. Fig. 2 is a vertical sectional view of the plate-like member shown in Fig. 1, fitted to a hole in the wall or the like, Fig. 3 Fig. 4 is a horizontal view of a third embodiment of a plate-like member; and Fig. 4 is a horizontal view of a third embodiment of the plate-like member.

(> I »·

;.; .. DETAILED DESCRIPTION OF THE INVENTION

> * »·

Fig. 1 shows, in point 1, a plate-like member having a circular horizontal section, .35. The outer diameter is denoted by yd. The body has a through opening; · *: 2, which extends into the gasket 3. The gasket has an opening having an inside diameter of id. According to Fig. 2, the present exemplary embodiment consists of two plate-shaped, first and second members 4 and 5 with a seal 3 mounted between them. The inner, 113978 5, i.e. first plate-like member 4 has an annular inner surface 4a partly with the unit 7 shown which defines the room or space 6. The back surface 4a then contacts the inner surface 7a of the unit.

5

The second (outer) plate-like member 5 has portions 5a that extend beyond the first (inner) member 4. The above-mentioned annular protruding parts have fastening means 8, which in the exemplary case consist of a double-sided velcro. The gasket 3 is provided with a securing layer 9 on those portions 10 which contact the first and second plate-like members. The aforementioned adhesive layer may consist of an adhesive, a binder or the like. The double-sided adhesive tape is attached to the inside of the aforementioned protruding parts 5a and forms a plate-like member 1 against the surface 7a of the anchoring means so that one side of the tape is adhered to the wall 7a. At the periphery of the second plate-like member, the plate-like member 1 15 is secured and sealed, for example, by means of a flexible connection in silicone 10, which in the example shown also forms a seal with the ribbon 8.

The unit 7 has an opening 11 and the plate-like member 1 is fixed to the wall 7a so that the openings 2 and 11 are aligned (centered) with respect to each other. A member such as, for example, tube 12 is inserted into the openings. In this case, the diameter of the member, i.e. the outer dimension D, exceeds the diameter id of the seal, which means that the seal is able to fold and; to form a seal member 12 to the exterior or outer surface (casing surface) 12a. In the example shown, the diameter id exceeds the diameter id by about 4 mnv or a value that is adjusted by selecting id in relation to D, respectively. The height α of the plate-like member is low above the inner surface 7a.

In a preferred embodiment, yd can be selected from 20mm to 500mm and id can be selected from 3mm to 470mm. The floor, ceiling, wall, etc. can be made of other materials, brick, mortar, concrete, thin metal, etc. The thickness of the inner sheet member 30, i.e. the washer, may be in the range of 0.5 to 2.0 mm. The second plate-like member, i.e. the front plate, may have a corresponding thickness. The sealing member may have a thickness of between 0.5 mm and 3.0 mm. The double-sided velcro can be made in a known manner and * · can have a thickness of 0.2 to 5.0 mm. The front and washer can be made of stainless steel (SIS 2333 or 2334) or the like. Alternatively, the sheets may be made of enamelled thin metal or polymeric material (e.g., polyamidis * or PVDF = polyvinyl fluoride), etc. The sealing film or gasket is a rubber or elastomeric material such as silicone or EPDM.

113978 6

By means of the above, leakage from ambient space 13 to space 6 is prevented. Unwanted particles, gas and contaminants are thus prevented from entering space 6, which may additionally be pressurized relative to environment 13. Only interior 12b of member 12 communicates with space 6 and (not shown) a second state etc. This makes it possible to bring the 5 and / or remove fluid from space 6 inside of the body 12 through 12a without the risk of unwanted contaminants entering.

According to Figures 3 and 4, the plate-like member has a second structure having a horizontal section alla, 1 "at the outer dimensions and openings 2 ', 2". Thus, the plate-like member 10 is designed with square or rectangular exterior dimensions. In Fig. 3, the width and height dimensions are indicated by b and h respectively. The aperture 2 'may be square or rectangular. In addition to the above, various combinations are also possible.

In Fig. 4, the width and height dimensions are denoted by reference numerals b 'and h', respectively. According to one embodiment, the width b may be 30 mm to 1200 mm and the height 30 mm to 1200 mm. The inside dimension im can be 3mm to 470mm.

The plate-like member is attached to the inner surface 7a of the unit 7 so that the openings in the unit and the plate-like member are centered. The flexible joint or sealing seam 10 or the like is placed around the circumference of the plate-like member. Thereafter, the body 12 is inserted into the opening. The member 12: is centered in the opening so that a real seal is achieved by means of the sealing device 3.

25 The seal is designed to withstand temperatures of 145 ° C for two hours, even in direct contact. The device causes low heat transfer due to '' the use of rubber and stainless steel on the outer panels, which then function as a cooler. ' * as flanges. The unit forms a complete unit that can be simply installed without compromising on clean room requirements and without the use of 7 i * 30 tools or other external equipment. Thus, there is no need for additional fastening methods such as drilling, screw fastening, etc., which carry the risk of contamination. The gasket allows longitudinal movements in the axial and radial directions and also in the angular mass relative to the member (tube or the like) without losing the sealing effect. Like the collar, the seal folds around the tube or the like. The invention is not limited to the exemplary embodiment described above, but may be modified as follows; Within the scope of the claims and the inventive idea.

Claims (12)

113978 7 A lead-through device for insertion into a first aperture (11) in a room or space boundary unit (7) and provided with its own second 5 apertures (2), in which apertures (2, 11) are provided by a member (12), e.g. or an electricity cable, is to extend the range of the room / space inner side and an outer side (6, 13), which device comprises on the one hand one or more of the sealing (3), which provides around the first opening and the above-mentioned member sealing against the other hand, the plate-like body (1); provided with fastening means (8), for example, by means of an adhesive tape by means of which the plate-like unit can be attached to the surface (7a) of the room or space bounding unit (7a) so that the second opening (2) is centered on the first opening (11) , that the plate-like unit consists only of a self-centering unit with respect to the organ, comprising first and second plate-like elements ( 4, 5) and a seal (3) disposed therebetween, wherein the second aperture (2) comprises two through openings fitted to the first and second elements, said seal (3) extending into the second aperture and sealing the outside (12a) of the member (12). ) against the first and second openings of the member (12), that the plate-like unit (1) is preferably also circumferentially arranged to seal against said surface (7a) by means of sealing means (10), for example by a silicone type 20 or similar flexible seam the shape of the plate-like unit (1) and the fastening means as seen from the inside of the room or space (6) is flat and -: extends only slightly above said surface (7a) for easy cleaning. A penetration device according to claim 1, characterized in that the plate-like unit has a structural height (a) of 1.5 to 10 mm, for example about 3 mm. A penetration device according to claim 1 or 2, characterized in that it comprises a support surface (4a) which can be placed against said surface (7a) of the unit (7). A penetration device according to claim 1, 2 or 3, characterized in that the first element (4) bears a surface (4a) cooperating with the unit surface (7a), so that the second element (5) extends over the first element (5). (4) exterior 11:35, and that the sealing means (10) can be fitted to the periphery of the plate-like elements. • I) I I t t a 113978 8 Passage device according to one of the preceding claims, characterized in that the fastening means (8) is arranged on the protruding parts (5a) of the second plate-like element. A penetration device according to any one of the preceding claims, characterized in that the supporting part (4a) of the plate-like element (4) is made of stainless steel, lacquered sheet or polymer material. Penetration device according to one of the preceding claims, characterized in that the sealing (3) of the plate-like element is of rubber or elastomeric material, for example EPDM or silicone. Penetration device according to one of the preceding claims, characterized in that the fastening means (8) is a double-sided adhesive tape. 15 Passage device according to one of the preceding claims, characterized in that the room or space (6) inside the unit (7) is a sterile space, a clean space or a process space. A penetration device according to any one of the preceding claims, characterized in that the sealing member (3) is arranged to provide a member (12) fitted to the sealing device. : also when later moving axially in the second aperture (2) due to its flexibility and being adapted to be pulled along the outside of the member (12a) •.. Passage device according to one of the preceding claims, characterized in that the plate-like unit forms a separate unit in which the first and second plate-like elements with the intermediate seals (3) are held together by means of the fastening means (8). 30 A method, for example, of forming a fluid-carrying tube or electric cable to provide a sealed lead-through to a first I-aperture (11) by means of a plate-like unit (1) provided with a second aperture (2) '; 1. for said member, and in which method the plate-like unit is fixed to the means 35, for example by means of an adhesive tape on the inner surface of the unit or space-limiting unit supporting the first opening, characterized in that the plate-like unit is prefabricated (4, 5) which are made by the through holes 9 113978 (2, 11) forming said second opening and which are arranged so that said seal (3) is located between them so as to allow the seal to extend into the second opening so that exportation member (12) to the first and second openings it is brought into sealing contact with the outer side of the cooperative member (12), the plate-like body (1) sealing the interior surface bounding a room or 5 units of (7) (7a) against preferably a silicone joint (10) or the like and that the plate-like unit and the joint have been given or a uniform shape extending just above said surface (7a) is provided for easy cleaning. 10 Patent Claims