CA1163772A - Panel fitting device - Google Patents
Panel fitting deviceInfo
- Publication number
- CA1163772A CA1163772A CA000383873A CA383873A CA1163772A CA 1163772 A CA1163772 A CA 1163772A CA 000383873 A CA000383873 A CA 000383873A CA 383873 A CA383873 A CA 383873A CA 1163772 A CA1163772 A CA 1163772A
- Authority
- CA
- Canada
- Prior art keywords
- panel
- main part
- pressing
- fitting device
- acrylic
- 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
Abstract
Panel Fitting Device Abstract of the Disclosure The main part made of wire rod or plate material and the pressing part made of the same material are connected together at one end so that they form a clearance to receive the upper panel, and the other end of the main part has a supporting leg to hitch the base material such as C-shaped channel. When the base material is hitched by the supporting leg and the main part and the pressing part are turned clockwise, the top part of the lower panel is caught between the main part and the base material, and then, the bottom end of the upper panel is inserted into the aforementioned clearance and the upper and lower two panels can thus be easily installed.
Description
, 1 63772 Background of the Invention This invention concerns a panel fitting device, i.e.
a device suitable for fitting and replacing the corrugated syntlletic resin plates to be used for the roof, wall and gable of a hothouse.
Generallv a hothouse is used to cultivate vegetables, r fruits and flowers and to breed fish, and the hothouses ropularly used are the glass house which uses transparent or semitran3parent glass plates on tha roof, wall and gable and the vinyl house which is covered by transparer.t or semi-transparent vinyl sheet.
~- ~ut the glass house has such shortcomings as; the 'eg e ~ol~5 Yc~h;~bL._ and fruits are poor in quality as compared with the natural ones (e.g. pear, tomato, etc. are not well colored) due to the low transmission (less than 90~) for the ~unrays, especially ultraviolet rays; the glass is easy to brecl]~ when an external force such as the human body weight ~ 5 is imposed or when ~Yæ~ , roof tile, tree, etc. blown by strong wind hi~ it; and when the bro~en pieces drop in the soil in the hothouse, it is very difficult to remove them;
tne price of glass itself is expensive and the construction cost will be very high when it is used all around the hothouse; the giass plate is limited in size and cannot be used for a hothouse with large frontage7 many fastening parts are required.
The vinyl house can be more easily constructed and is dheaper than the glass house, but lt, too, has such shortcomings as; because of its thinness, lt has poor durability it is easily broken by the external forces such as wind and rain and cannot withstand the human body weight7 it has poorer light transmission than the glass; when lt becomes dirty, it cannot be cleaned so easlly7 it is ., ~
i 1 63772 dif~icult to stretch and set the vinyl sheett many fltting parts are required to increase the cost~ it is very difficult to replace or maintain it because the sheet is easy to break7 the sunray transmission decreases as it becomes dirty.
For the above reasons, recently a hothouse using the corrugated panels made of acryl~c resin only has been developed and is more and more being used in place of the glass house and vinyl house.
The acrylic panel is superior in transparency, ultraviolet ray transmission, weather-proofing, and heat reserving quality and is an ideal covering material for the hothouse or similar house. The acrylic panel has such advantages as: (1) since there is no loss in diffu~ion, reflection and absorption of light ~nd the~light transmission i~ 93~ or more, the plant disease is prevented and fruits are well colored, (2) no separation of resin and fiber or cloudiness (whitening) ~hich are often found in composite material and no J~enetration of rain water into the interior or contamination, (3) featuring excellent tensile strength and breaking strength and having the usage life of 20 years or more, it withstands the typhoon or ~trong wind and other external forces, and therefore, no need of maintenance or replacement, (~) the house can be made airtight and ener~y saving can be expected, (5) various sizes and specifications are available, construction i8 easy, and large size house can be built, and (6) construction cost can be reduced because it is cheaper than glass.
Despite the fact that the acrylic panel has such advantages as described above, lt has such a serious shortcoming as described below because lt must be in~talled by means o~
the hook bolts:inserted into the holes drillcd in thc.panel _3_ l 1 6377Z
and no other better way has so far been developed.
The objective of this invention is to provide a fitting device for connecting the corrugated acrylic panels without drilling the panels.
The above objective is met with the present invention which broadly provides a panel fitting device for fitting a corrugated panel to a framework member comprising à pair of spaced-apart substantially parallel panel-holding sections each comprising a main part and a pressing part connected to one end of the main part and defining a clearance space therewith for receiving an upper panel, a supporting leg connected to each main part at an opposite end thereof, extending away from the clearance space; a hitching part connected to each supporting leg at an end of each leg opposite to each respective main part, each hitching part extending substantially parallel to the holding sections and shaped to engage a framework member with a lower panel held between the main part and the framework member;
a panel pressing section conn~cted between each pressing part of each holding section at an end of each pressing part opposite a connection between each pressing part and each main part, the panel pressing section being curved in a direction away from each clearance space for engagement around a corrugation of an upper corrugated panel to be fitted.
Description of the Drawings Fig. 1 is a longitudinal side view of the conventional plate fitting device.
Fig. 2 is an inclined view of the panel fitting device, one of the good embodiments of this invention.
Fig. 3 is an inclined view of the panels jointed with the device in Fig. 2.
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Fig. 4 is a longitudinal side view of the configur-ation shown in Fig. 3.
Fig. 5 is a longitudinal front view of the configur-ation shown in Fig.3 and appears on the same sheet thereof.
Fig. 6 is an inclined view showing the panels secured by the panel fitting device, another embodi~ent of the inven-tion.
Fig. 7, Fig. 8, Fig. 9 and Fig. 10 are inclined views showing the panels secured by the panel fitting devices, other embodiments of this invention.
Description of the Invention According to the prior art when the transparent corrugated acrylic panels are used on the roof, wall and gable of a hothouse, they (1) and (2) are placed one upon another as shown in Fig. 1. The lower acrylic panel (1~ is placed on a pipe or C-shaped channel (23), the framework of the hot-house, and upon it, the upper acrylic panel ~2) is placed with an unwoven acrylic packing (24) in between, and then, a hook bolt (25) is inserted into the bolt hole drilled in the upper acrylic panel (2). The hook (26) of the hook bolt (25) is hitched in the bent part of the pipe or C-shaped channel (23~
and tightened with the nut (29) under which the rubber packing (27) and washer (28) are placed. The top end of the lower acrylic panel (1) is caught rather loosely between the C-shaped channel (23) and the upper acrylic panel (2) so that it can expand or contract in summer and winter.
However, one of the serious shortcomings of the above method is that the bolt hole must be drilled in the upper acrylic panel (2), and in addition, it has also the follow-ing shortcomings. (A) Since the acrylic panel (2) is rigid, .
Pgk 5 cracks occur around the hole ~Yhen the bolt hole i5 drilled with a tool and the cracks expand all over t~e panel, (B~
it is a lot of work because multiple holes must ~e drilled in the upper panel (2) and utmost care must be exercised so that the cracks will not occur, (C) even if the drilling work is safely done, the stress will be concentrated around the bolt hole during the long usage due to the typhoon or other external forces such as a man stepping on the panels thus causing complicated cracks around the bolt hole and finally the replacement will be necessary, ~Dl the parts cost is very high because many parts such as hook bolts ~25~ and packings (27) must be used in the multiple holes drilled, (E) two workers are required, one for hitching the C-shaped channel (23) with the hook bolt (25) and another for tightening the nut (29) thus increasing the labor cost and also the fitting is a difficult work, (F) if the rubber packing (27) is worn, rain water or cold air comes into the hothouse and heat reserving quality and airtightness will be impaired.
The problems of the prior art are overcome, according to the invention, by the fitting device (A) in Fig. 2 - Fig. 4 which consists of two panel holding sections (41 and (4) running in parallel at right and left and a panel pressing section ~5) which is mountain-shaped.
The panel holding section ~4) consists of the horizon-tal main part (6) made of wire rod, one end of which is bent inward to form a curved relief ~7) from which a supporting leg ~8) is extended obliquely downward, and then this supporting leg is bent backward to form a hitching part (9) which runs almost in parallel with the panel holding section (4). And Pg ~ - 6 -~ 1 63772 the other en~ of the main part (6) is bent up~ard and turned to form the pressing (holding) part (10), and the two pressing ~holding) parts at right and left are connected by the panel pressing section (5). It is preferable that the pressing section (5) is inclined toward the main part (6) by means of the curve (11) to have a spring effect, and the main part (6) and pressing part (10) form a clearance ~12~ to accept a panel. The panel pressing section ~5) made of metallic wire rod, etc. is bent to meet the shape of the corrugàted acrylic panels (1? and (2) ~ ~ - 6A -~ 1 63772 and mountain-shaped as shown in the drawing.
Using the above fitting device ~A), the two lower and upper acrylic panels (1) and (2) are connected one upon aslothor in the following way.
The bent part ~14) of the base material (framework), for e~ample, C-shaped channel t23) i9 hooked by the hitching part (9) and the lowèr acryllc panel (1) iR placed on the C-shaped channel (23) and then, referring to Fig. 4, the main part (6) and pressing part (10) are forced clockwise, so that the main part (6) and the C-shaped channel (23) grip under pressure the valley (15) of the lower corrugated acrylic panel (1) .
By the way, the main part (6) can be easily inserted if the supporting legs (8) and (8) formed in 8.20 shape are pressed inward, i.e. mutually nearing direction, to widen the distance between the main part (6) and the hitching part (9) and when the pressure i5 released after the installation, the supporting legs (8) and (8) will return to their original positions with their own spring effect thus reducing the distance between the main part (6) and the hitching part (9) and the main part (6) is firmly in~talled.
As another installation method, the C-shaped channel (23) is hooked by the hitching part (9) on the right, and then, with the iower acrylic panel (1) held temporarily by the two main parts (6) and (6), the supporting leg (8) and the hitching part (9) on the left are bent against the spring force to hoo~ the C-shaped channel (23). When the spring force of the supporting leg (8) and the hitching part (9) is strong~
this method may be easier.
Then, the upper acrylic panel (2) i8 inserted into the clearance (12) between the main part (6) and the pressing part (10) ~o that the valley of the panel (2) i8 yripped ~ 1 63772 .
between the main part (6) and the presslng part ~10~ and the acrylic panel ia pressed by the pressing part (10) with the apring force of the curved part (11). Therefore, the upper acrylic panel (2) is held firmly by the gripping force between the main part (6) and the pressing part (10) and under the pressure of the panel pressing section (5). Also the packing (17) provided between the two panels (1) and (2) prevents loosening, moving and ruhbing damage and also acts a cushion aqainst the external force.
Referring to Fig. 4, if the lower acrylic panel (1) is pressed by the external force such as strong wind of the velocity of 20-50 m/sec., dropping of a heavy subject or man'a weight, the acrylic panel will be depressed with the "a~
point of the C-shaped channel (23) as the fulcrum, and then, the end of the acrylic panel (1), i.e. the end of the valley ~15) wlll be ralaed in the direction of arrow "pll (Fig. S), Then, the riRing force will affect the main part (6) and will force the whole panel holding section (4) upward.
This pushing up force is transferred to the supporting legs (8) and (8) but the supporting legs held by the hitching part (9) cannot move vertically and therefore, move inward in the direction of the arrow "B" (Fig. S).
When the supporting legs (8) and (8) move in the ~ -direction, the hitching part (9) will also move in the same direction and it is possible that the holding sections (4) and (4) including the main part ~6) go up.
Therefore, the stress concentrated around the end of the valley ~15) caused by the external force on the acrylic panel ~1) ia removed, and the supporting leg ~8) will absorbe the external force by its cushion or aprlng effect. The rising amount of the valley ~lS) is bigge~t at the end but here is pxovided a curved relief (7) which , ~ 1 63772 prevents the concentration of stress and therefore, no crack~
breakage and deformation will occur.
In the above embodiment example, the main part [6) is locatcd in thc valley (15) of the acrylic panel (1) and the relief (7) .is required but if the distance between the two parallel main parts (6) and (6) is reduced to locate them on the incline (15a) (Fig. S) of 'the acrylic panel (1), the main part (6) can rnove along the incline (~5a) to prevent the concent-ration of strcss when the end of the acrylic panel (1) is raised, and therefore, no need of provlding the relief (7).
Fig. 6 .shows another embodiment example of this invention where the supporting legs (18) and (18) are mutually crossed while the Fig. 2 show the supporting legs (8) and ~8) extending obliquely downward in the mutually opposite direction.
In this case, tne main parts (6) and ~61 have the curved relief parts (7) and (7) at one end from where the supportin~ legs (18) and (18) mutually crossed are extended to the hitching parts (19) and (19) which are bent in the parallel direction with the holding section (4) and the hitching parts (19) and (19) hook and secure the base material (~ramewor3c) such as C-shaped channel (23), pipe, H steel, L
angle as shown in Fig. 6.
Those supporting legs (18) and (18) with spring effect can be forced mutually inward to raise the panQl holding sections (4) and (4) for easier installation and removing wor)c and can prevent the damage of the panel in conjunction with tlle relief parts (7J and (7). Ihe device without the relief parts (7) and (7) is also usable and other design variation may he possible.
Fig. 7 shows another embodiment e~ample of thls invention where the long supporting leg~ (30) and (30) are .
_9_ .
., , 1 63772 .
provided obliquely downward and connected to the L-shaped hook or other type of hitching parts (31) and (31) which hooks and secure the base material such as C-shaped channel (23) as shown in the figure.
The supporting legs ~30) and (30) are exactly same as those in Fig. 2 except the longer legs and have the same spring effect, and if they are forced mutually inward, the panel holding section (4) can be raised for easy installation.
Fig 8 shows another embodiment cxample of this invention. The fitting device (C) consists of a horizontal main plate (32) curved at the same curvature as the wave form of the acrylic par.cl (2), a suppoxting leg (33) which is one end of the main plate (32) bent vertically down~ard, a hooX
(34) which is the lower end of the supporting leg (33) bent toward the main plate at an optional angle, a pressing plate (36) which i8 the other end of the main plate (32) turned toward the upper surface of it by means of the curved section (35) also acting spring which has two upper and lower curved parts, and a clearance between the main plate (32) and the pressing plate (36) to grip an inserted plate. The pressing plate (36) is curved at the same curvature as the main plate (32) and has a guide (37) bent upward at its end.
When a corrugated panel i9 held, it is preferable that tlle main plate (32) and pressing plate (36) have the same curvature as the wave .orm of the corrugated panel (a device with a flat main plate and a flat pressing plate is also usable) but they do not have to be curved if they are to be used on a flat panel. ~he curved section 35 connecting the main plate (32) and prcssing plate (36) 1~ -provided to give a spring force to the pressing plate ~36).
The gulding part (37) is provided ~o give a smooth guidance to the upper acrylic panel ~2) when lt is lnserted , I 1 6377~
into the clearance but the device without it is also usable.
Using the fitting device (C), the upper and lower acrylic panels (1) and ~2) are connected one upon another in the following way.
Firstly, the lower acrylic panel (1) is placed on the C-shaped channel (23), and then, the hltching part (34) is hooked to the L-shaped bent pa~t (1~) of the C-shaped channel (23) and the device is turned clockwise forcefully with the hitching part (34) as the fulcrum so that the main plate (32) contact the lower acrylic panel (1). Thus the fitting device is fixed on the C-shaped channel (23) and the lower acrylic panel ~1) by means of the spring force of the supporting leg (33) and main plate ~32) and the holding power of the hitching part (34), and the lower acrylic panel (1) i~ grlpped firmly between the C-shaped channel ~23) and the main plate (32).
~ n acrylic unwoven packing (17) is sticked traversely on the acrylic panel (1), and because of the cushion and friction effect of this packing (17) which also closely contact the under surface of the main plate (32), the loosening and moving of the acrylic panel (1) and also the damage of the panel are prevented and the improved airtightness and heat reserving quality are provided.
Then~ the upper acrylic panel (2) is inserted into the clearance between the main plate (32) and the pressing plate (36) with the remaining part resting upon the lower acryllc panel (1~.
Since the pressing plate ~36) ha~ the downward spring force by means of the curved section ~35), the upper acryllc panel ~2) is firmly gripped between the pres~ing plate ~ -~36) and the main plate (3~), and becau~e of the packing ~17) provided between the lower acrylic panel ~1) and the - . .
~ 1 63772 upper acrylic panel ~2), the loosening, movement and damage of the upper acrylic panel (2) are prevented and the airtightness is secured between the panels (1) and (2).
Since the uper and lower panels ~1) and (2) only secured by the fitting device (C) without using bolts, they can move longitudinally freely when expanded in summer and contracted in winter so that deformation or damage is prevented.
The fitting devices (C) can be installed at an optional interval along the C-shaped channel (23) so that the important points of the panels (1) and (2) are fixed.
Fig. 9 shows another embodiment e~ample of this invention. The fitting device (D) consists of two right and left panel holding parts (4a) and (4a) running in parallel and a bow-shaped panel pressing section (38) connecting the holding parts (4a) and (4a).
The panel holding section (4a) consists of a hori~ontal main part (40), one end of which is bent to form the supporting leg (41) and hooking (hitching) part (42), with the other end is bent upward to provide the curved part (43) and of the pressing part (44), and these two right and left pressing parts (44) and (44) are connected by the panel pressing section (38). The pressing part (44) is inclined from the curved part (43) toward the main part t40) to produce the spring effect and there is provided a clearance between the main part (40) and the pressing part (44) for receiving the inserted panel. The panel pressing section (38) made of metallic wire rod is bent in the same shape as the corrugated acrylic panel (2) like a bow as shown in the f~gure.
Using the fitting device (D), the two upper and lower acrylic panels ~1) and (2) are connected one upon the other as follows.
i 3 63772 The lower acrylic panel (1) is placed upon the C-shaped channel (23) and the hitching part (42) i~ hooked to the bent part (14) of the C-shaped channel ~23), and then, the supporting leg (41), main part (40) and pressing part (44) are forcefully turned clockwise (see Fig. 9) so that the lower crylic panel (1) is grlpped firmly between the main part (40) and C-shaped channel (23). Thus the fitting device (D) i5 fixed on the C-shaped channel (23) and the lower acrylic panel (1).
Then, the upper acrylic panel (2) is inserted into the clearance between the main part (40) and pressing part (44) so that the valley (15) of the panel (2) is gripped between the main part and pressing part (44) which presses the acr~lic panel (2) with the spring force of the curved part (43). The bow-shaped panel pressing section (38) is attached to the upper surface of the high curved part (16) of the upper acrylic panel (2) and pressed down to the panel by the spring force of the curved part (43) and the pressing part (44). Therefore, the upper acrylic panel (2) is securely held in the clearance with the gripping force of the main part (40) and pressing part (44) and the pushing pressure of the panel pressing section (38). Also the packing ~17) provided between the upper and lower acrylic panels ~1) and
a device suitable for fitting and replacing the corrugated syntlletic resin plates to be used for the roof, wall and gable of a hothouse.
Generallv a hothouse is used to cultivate vegetables, r fruits and flowers and to breed fish, and the hothouses ropularly used are the glass house which uses transparent or semitran3parent glass plates on tha roof, wall and gable and the vinyl house which is covered by transparer.t or semi-transparent vinyl sheet.
~- ~ut the glass house has such shortcomings as; the 'eg e ~ol~5 Yc~h;~bL._ and fruits are poor in quality as compared with the natural ones (e.g. pear, tomato, etc. are not well colored) due to the low transmission (less than 90~) for the ~unrays, especially ultraviolet rays; the glass is easy to brecl]~ when an external force such as the human body weight ~ 5 is imposed or when ~Yæ~ , roof tile, tree, etc. blown by strong wind hi~ it; and when the bro~en pieces drop in the soil in the hothouse, it is very difficult to remove them;
tne price of glass itself is expensive and the construction cost will be very high when it is used all around the hothouse; the giass plate is limited in size and cannot be used for a hothouse with large frontage7 many fastening parts are required.
The vinyl house can be more easily constructed and is dheaper than the glass house, but lt, too, has such shortcomings as; because of its thinness, lt has poor durability it is easily broken by the external forces such as wind and rain and cannot withstand the human body weight7 it has poorer light transmission than the glass; when lt becomes dirty, it cannot be cleaned so easlly7 it is ., ~
i 1 63772 dif~icult to stretch and set the vinyl sheett many fltting parts are required to increase the cost~ it is very difficult to replace or maintain it because the sheet is easy to break7 the sunray transmission decreases as it becomes dirty.
For the above reasons, recently a hothouse using the corrugated panels made of acryl~c resin only has been developed and is more and more being used in place of the glass house and vinyl house.
The acrylic panel is superior in transparency, ultraviolet ray transmission, weather-proofing, and heat reserving quality and is an ideal covering material for the hothouse or similar house. The acrylic panel has such advantages as: (1) since there is no loss in diffu~ion, reflection and absorption of light ~nd the~light transmission i~ 93~ or more, the plant disease is prevented and fruits are well colored, (2) no separation of resin and fiber or cloudiness (whitening) ~hich are often found in composite material and no J~enetration of rain water into the interior or contamination, (3) featuring excellent tensile strength and breaking strength and having the usage life of 20 years or more, it withstands the typhoon or ~trong wind and other external forces, and therefore, no need of maintenance or replacement, (~) the house can be made airtight and ener~y saving can be expected, (5) various sizes and specifications are available, construction i8 easy, and large size house can be built, and (6) construction cost can be reduced because it is cheaper than glass.
Despite the fact that the acrylic panel has such advantages as described above, lt has such a serious shortcoming as described below because lt must be in~talled by means o~
the hook bolts:inserted into the holes drillcd in thc.panel _3_ l 1 6377Z
and no other better way has so far been developed.
The objective of this invention is to provide a fitting device for connecting the corrugated acrylic panels without drilling the panels.
The above objective is met with the present invention which broadly provides a panel fitting device for fitting a corrugated panel to a framework member comprising à pair of spaced-apart substantially parallel panel-holding sections each comprising a main part and a pressing part connected to one end of the main part and defining a clearance space therewith for receiving an upper panel, a supporting leg connected to each main part at an opposite end thereof, extending away from the clearance space; a hitching part connected to each supporting leg at an end of each leg opposite to each respective main part, each hitching part extending substantially parallel to the holding sections and shaped to engage a framework member with a lower panel held between the main part and the framework member;
a panel pressing section conn~cted between each pressing part of each holding section at an end of each pressing part opposite a connection between each pressing part and each main part, the panel pressing section being curved in a direction away from each clearance space for engagement around a corrugation of an upper corrugated panel to be fitted.
Description of the Drawings Fig. 1 is a longitudinal side view of the conventional plate fitting device.
Fig. 2 is an inclined view of the panel fitting device, one of the good embodiments of this invention.
Fig. 3 is an inclined view of the panels jointed with the device in Fig. 2.
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Fig. 4 is a longitudinal side view of the configur-ation shown in Fig. 3.
Fig. 5 is a longitudinal front view of the configur-ation shown in Fig.3 and appears on the same sheet thereof.
Fig. 6 is an inclined view showing the panels secured by the panel fitting device, another embodi~ent of the inven-tion.
Fig. 7, Fig. 8, Fig. 9 and Fig. 10 are inclined views showing the panels secured by the panel fitting devices, other embodiments of this invention.
Description of the Invention According to the prior art when the transparent corrugated acrylic panels are used on the roof, wall and gable of a hothouse, they (1) and (2) are placed one upon another as shown in Fig. 1. The lower acrylic panel (1~ is placed on a pipe or C-shaped channel (23), the framework of the hot-house, and upon it, the upper acrylic panel ~2) is placed with an unwoven acrylic packing (24) in between, and then, a hook bolt (25) is inserted into the bolt hole drilled in the upper acrylic panel (2). The hook (26) of the hook bolt (25) is hitched in the bent part of the pipe or C-shaped channel (23~
and tightened with the nut (29) under which the rubber packing (27) and washer (28) are placed. The top end of the lower acrylic panel (1) is caught rather loosely between the C-shaped channel (23) and the upper acrylic panel (2) so that it can expand or contract in summer and winter.
However, one of the serious shortcomings of the above method is that the bolt hole must be drilled in the upper acrylic panel (2), and in addition, it has also the follow-ing shortcomings. (A) Since the acrylic panel (2) is rigid, .
Pgk 5 cracks occur around the hole ~Yhen the bolt hole i5 drilled with a tool and the cracks expand all over t~e panel, (B~
it is a lot of work because multiple holes must ~e drilled in the upper panel (2) and utmost care must be exercised so that the cracks will not occur, (C) even if the drilling work is safely done, the stress will be concentrated around the bolt hole during the long usage due to the typhoon or other external forces such as a man stepping on the panels thus causing complicated cracks around the bolt hole and finally the replacement will be necessary, ~Dl the parts cost is very high because many parts such as hook bolts ~25~ and packings (27) must be used in the multiple holes drilled, (E) two workers are required, one for hitching the C-shaped channel (23) with the hook bolt (25) and another for tightening the nut (29) thus increasing the labor cost and also the fitting is a difficult work, (F) if the rubber packing (27) is worn, rain water or cold air comes into the hothouse and heat reserving quality and airtightness will be impaired.
The problems of the prior art are overcome, according to the invention, by the fitting device (A) in Fig. 2 - Fig. 4 which consists of two panel holding sections (41 and (4) running in parallel at right and left and a panel pressing section ~5) which is mountain-shaped.
The panel holding section ~4) consists of the horizon-tal main part (6) made of wire rod, one end of which is bent inward to form a curved relief ~7) from which a supporting leg ~8) is extended obliquely downward, and then this supporting leg is bent backward to form a hitching part (9) which runs almost in parallel with the panel holding section (4). And Pg ~ - 6 -~ 1 63772 the other en~ of the main part (6) is bent up~ard and turned to form the pressing (holding) part (10), and the two pressing ~holding) parts at right and left are connected by the panel pressing section (5). It is preferable that the pressing section (5) is inclined toward the main part (6) by means of the curve (11) to have a spring effect, and the main part (6) and pressing part (10) form a clearance ~12~ to accept a panel. The panel pressing section ~5) made of metallic wire rod, etc. is bent to meet the shape of the corrugàted acrylic panels (1? and (2) ~ ~ - 6A -~ 1 63772 and mountain-shaped as shown in the drawing.
Using the above fitting device ~A), the two lower and upper acrylic panels (1) and (2) are connected one upon aslothor in the following way.
The bent part ~14) of the base material (framework), for e~ample, C-shaped channel t23) i9 hooked by the hitching part (9) and the lowèr acryllc panel (1) iR placed on the C-shaped channel (23) and then, referring to Fig. 4, the main part (6) and pressing part (10) are forced clockwise, so that the main part (6) and the C-shaped channel (23) grip under pressure the valley (15) of the lower corrugated acrylic panel (1) .
By the way, the main part (6) can be easily inserted if the supporting legs (8) and (8) formed in 8.20 shape are pressed inward, i.e. mutually nearing direction, to widen the distance between the main part (6) and the hitching part (9) and when the pressure i5 released after the installation, the supporting legs (8) and (8) will return to their original positions with their own spring effect thus reducing the distance between the main part (6) and the hitching part (9) and the main part (6) is firmly in~talled.
As another installation method, the C-shaped channel (23) is hooked by the hitching part (9) on the right, and then, with the iower acrylic panel (1) held temporarily by the two main parts (6) and (6), the supporting leg (8) and the hitching part (9) on the left are bent against the spring force to hoo~ the C-shaped channel (23). When the spring force of the supporting leg (8) and the hitching part (9) is strong~
this method may be easier.
Then, the upper acrylic panel (2) i8 inserted into the clearance (12) between the main part (6) and the pressing part (10) ~o that the valley of the panel (2) i8 yripped ~ 1 63772 .
between the main part (6) and the presslng part ~10~ and the acrylic panel ia pressed by the pressing part (10) with the apring force of the curved part (11). Therefore, the upper acrylic panel (2) is held firmly by the gripping force between the main part (6) and the pressing part (10) and under the pressure of the panel pressing section (5). Also the packing (17) provided between the two panels (1) and (2) prevents loosening, moving and ruhbing damage and also acts a cushion aqainst the external force.
Referring to Fig. 4, if the lower acrylic panel (1) is pressed by the external force such as strong wind of the velocity of 20-50 m/sec., dropping of a heavy subject or man'a weight, the acrylic panel will be depressed with the "a~
point of the C-shaped channel (23) as the fulcrum, and then, the end of the acrylic panel (1), i.e. the end of the valley ~15) wlll be ralaed in the direction of arrow "pll (Fig. S), Then, the riRing force will affect the main part (6) and will force the whole panel holding section (4) upward.
This pushing up force is transferred to the supporting legs (8) and (8) but the supporting legs held by the hitching part (9) cannot move vertically and therefore, move inward in the direction of the arrow "B" (Fig. S).
When the supporting legs (8) and (8) move in the ~ -direction, the hitching part (9) will also move in the same direction and it is possible that the holding sections (4) and (4) including the main part ~6) go up.
Therefore, the stress concentrated around the end of the valley ~15) caused by the external force on the acrylic panel ~1) ia removed, and the supporting leg ~8) will absorbe the external force by its cushion or aprlng effect. The rising amount of the valley ~lS) is bigge~t at the end but here is pxovided a curved relief (7) which , ~ 1 63772 prevents the concentration of stress and therefore, no crack~
breakage and deformation will occur.
In the above embodiment example, the main part [6) is locatcd in thc valley (15) of the acrylic panel (1) and the relief (7) .is required but if the distance between the two parallel main parts (6) and (6) is reduced to locate them on the incline (15a) (Fig. S) of 'the acrylic panel (1), the main part (6) can rnove along the incline (~5a) to prevent the concent-ration of strcss when the end of the acrylic panel (1) is raised, and therefore, no need of provlding the relief (7).
Fig. 6 .shows another embodiment example of this invention where the supporting legs (18) and (18) are mutually crossed while the Fig. 2 show the supporting legs (8) and ~8) extending obliquely downward in the mutually opposite direction.
In this case, tne main parts (6) and ~61 have the curved relief parts (7) and (7) at one end from where the supportin~ legs (18) and (18) mutually crossed are extended to the hitching parts (19) and (19) which are bent in the parallel direction with the holding section (4) and the hitching parts (19) and (19) hook and secure the base material (~ramewor3c) such as C-shaped channel (23), pipe, H steel, L
angle as shown in Fig. 6.
Those supporting legs (18) and (18) with spring effect can be forced mutually inward to raise the panQl holding sections (4) and (4) for easier installation and removing wor)c and can prevent the damage of the panel in conjunction with tlle relief parts (7J and (7). Ihe device without the relief parts (7) and (7) is also usable and other design variation may he possible.
Fig. 7 shows another embodiment e~ample of thls invention where the long supporting leg~ (30) and (30) are .
_9_ .
., , 1 63772 .
provided obliquely downward and connected to the L-shaped hook or other type of hitching parts (31) and (31) which hooks and secure the base material such as C-shaped channel (23) as shown in the figure.
The supporting legs ~30) and (30) are exactly same as those in Fig. 2 except the longer legs and have the same spring effect, and if they are forced mutually inward, the panel holding section (4) can be raised for easy installation.
Fig 8 shows another embodiment cxample of this invention. The fitting device (C) consists of a horizontal main plate (32) curved at the same curvature as the wave form of the acrylic par.cl (2), a suppoxting leg (33) which is one end of the main plate (32) bent vertically down~ard, a hooX
(34) which is the lower end of the supporting leg (33) bent toward the main plate at an optional angle, a pressing plate (36) which i8 the other end of the main plate (32) turned toward the upper surface of it by means of the curved section (35) also acting spring which has two upper and lower curved parts, and a clearance between the main plate (32) and the pressing plate (36) to grip an inserted plate. The pressing plate (36) is curved at the same curvature as the main plate (32) and has a guide (37) bent upward at its end.
When a corrugated panel i9 held, it is preferable that tlle main plate (32) and pressing plate (36) have the same curvature as the wave .orm of the corrugated panel (a device with a flat main plate and a flat pressing plate is also usable) but they do not have to be curved if they are to be used on a flat panel. ~he curved section 35 connecting the main plate (32) and prcssing plate (36) 1~ -provided to give a spring force to the pressing plate ~36).
The gulding part (37) is provided ~o give a smooth guidance to the upper acrylic panel ~2) when lt is lnserted , I 1 6377~
into the clearance but the device without it is also usable.
Using the fitting device (C), the upper and lower acrylic panels (1) and ~2) are connected one upon another in the following way.
Firstly, the lower acrylic panel (1) is placed on the C-shaped channel (23), and then, the hltching part (34) is hooked to the L-shaped bent pa~t (1~) of the C-shaped channel (23) and the device is turned clockwise forcefully with the hitching part (34) as the fulcrum so that the main plate (32) contact the lower acrylic panel (1). Thus the fitting device is fixed on the C-shaped channel (23) and the lower acrylic panel ~1) by means of the spring force of the supporting leg (33) and main plate ~32) and the holding power of the hitching part (34), and the lower acrylic panel (1) i~ grlpped firmly between the C-shaped channel ~23) and the main plate (32).
~ n acrylic unwoven packing (17) is sticked traversely on the acrylic panel (1), and because of the cushion and friction effect of this packing (17) which also closely contact the under surface of the main plate (32), the loosening and moving of the acrylic panel (1) and also the damage of the panel are prevented and the improved airtightness and heat reserving quality are provided.
Then~ the upper acrylic panel (2) is inserted into the clearance between the main plate (32) and the pressing plate (36) with the remaining part resting upon the lower acryllc panel (1~.
Since the pressing plate ~36) ha~ the downward spring force by means of the curved section ~35), the upper acryllc panel ~2) is firmly gripped between the pres~ing plate ~ -~36) and the main plate (3~), and becau~e of the packing ~17) provided between the lower acrylic panel ~1) and the - . .
~ 1 63772 upper acrylic panel ~2), the loosening, movement and damage of the upper acrylic panel (2) are prevented and the airtightness is secured between the panels (1) and (2).
Since the uper and lower panels ~1) and (2) only secured by the fitting device (C) without using bolts, they can move longitudinally freely when expanded in summer and contracted in winter so that deformation or damage is prevented.
The fitting devices (C) can be installed at an optional interval along the C-shaped channel (23) so that the important points of the panels (1) and (2) are fixed.
Fig. 9 shows another embodiment e~ample of this invention. The fitting device (D) consists of two right and left panel holding parts (4a) and (4a) running in parallel and a bow-shaped panel pressing section (38) connecting the holding parts (4a) and (4a).
The panel holding section (4a) consists of a hori~ontal main part (40), one end of which is bent to form the supporting leg (41) and hooking (hitching) part (42), with the other end is bent upward to provide the curved part (43) and of the pressing part (44), and these two right and left pressing parts (44) and (44) are connected by the panel pressing section (38). The pressing part (44) is inclined from the curved part (43) toward the main part t40) to produce the spring effect and there is provided a clearance between the main part (40) and the pressing part (44) for receiving the inserted panel. The panel pressing section (38) made of metallic wire rod is bent in the same shape as the corrugated acrylic panel (2) like a bow as shown in the f~gure.
Using the fitting device (D), the two upper and lower acrylic panels ~1) and (2) are connected one upon the other as follows.
i 3 63772 The lower acrylic panel (1) is placed upon the C-shaped channel (23) and the hitching part (42) i~ hooked to the bent part (14) of the C-shaped channel ~23), and then, the supporting leg (41), main part (40) and pressing part (44) are forcefully turned clockwise (see Fig. 9) so that the lower crylic panel (1) is grlpped firmly between the main part (40) and C-shaped channel (23). Thus the fitting device (D) i5 fixed on the C-shaped channel (23) and the lower acrylic panel (1).
Then, the upper acrylic panel (2) is inserted into the clearance between the main part (40) and pressing part (44) so that the valley (15) of the panel (2) is gripped between the main part and pressing part (44) which presses the acr~lic panel (2) with the spring force of the curved part (43). The bow-shaped panel pressing section (38) is attached to the upper surface of the high curved part (16) of the upper acrylic panel (2) and pressed down to the panel by the spring force of the curved part (43) and the pressing part (44). Therefore, the upper acrylic panel (2) is securely held in the clearance with the gripping force of the main part (40) and pressing part (44) and the pushing pressure of the panel pressing section (38). Also the packing ~17) provided between the upper and lower acrylic panels ~1) and
(2) prevents loosening, moving and rubbing damage and provided a shock absorbing effect against the external force.
Fig. 10 shows another embodiment example of this lnvention. This device consists of two waved or bowed plates, main plate ~45) and pressing plate (46), a connecting plece (47) to connect them, a panel in~erting clearance (~8) formed between the main plate (45) and preRsing plate (46), and two long supportlng leg~ (49) extended vertlcally or obliquely downward from onc end Or the main plate ~4$).
~ 1 6377~
The supporting leg (49) has a L-shaped hitching part t50) and the length is made almost same a~ the height of the C-shaped channel ~23) and the length of the hitching part (5) is made almost same as the width of the C-shaped channel.
Although the hitching part (50) in the figure 10 is formed in the L-shape, it is not necessarily limited to that shape, and it can be adequately bent to fit the external shape of the bas~ material (fr~mewor~) such as pipe, angle, pillar, etc. and the proper length can be chosen.
If, therefore, the fitting device (E) in Fig. 10 is to be used on the C-shaped channel (23), a representative base material, the hitching part (50) i~ hooked under the C-shaped channel (23) and the main plate (45) and pressing plate (46) are turned clockwise with the supporting (49) in contact with the side of the C-shaped channel so that they will be positioned in parallel with the C-shaped channel (23) to grip the lo~7er acrylic panel (1) between the main plate (45) and the C-shaped channel. In another way of installation, the lower acrylic panel (1) is held between the pain plate (45) and the C-shaped channel and the two supporting legs (49) are forced mutually inward, i.e. in the direction of the arrow F, and then, the hitching part (50) is hoo~ed under the channel with the supportinq legs (49) in contact with the side of the C-shaped channel, and when the arrow direction pressure is released, the supporti~ legs (49) will return to thelr original positions with their own spring force causing the hitching part (50) to hoo~ the C-shaped channel (23) flrmly and pulling down the main plate (45) and pressing plate (46), and then the main plate (45) presses down the lower acryllc panel tl) to grip lt firmly.
Then, the upper acryllc panel (2) is inserted into khe ciearance (48) and gripped securely between the two plates, .
~ ~ 63772 main plate (45) and pressing plate 146).
The following will explain the installation of acrylic panels for instance on the hothouse using the fitting devices as described in the above embodiment examples.
The hothouse has square pipes as its framework to which the C-shaped channels are installed transversely to form the beams on which many corru~ated acrylic panels (l) and ~2) are placed one upon the other by means of the fitting devices of this invention to cover the roof, wall and gable of the hothouse through which the sunrays come into the hothouse and the heat is reserved. The ends of the acrylic panels (l) and (2) are held by the flat plates.
As well known, the acrylic panel is a corrugated plate made solely of the acrylic resin which is superior in transparency, ultraviolet ray transmission, weather-proofing, heat-reserving, durability, tensile strength and breakage ~trength and also is light in weight. It can also absorb the impact energy when any external force is pressed. If the device of this invention is useds (a) Since the acrylic panels ~l) and (2) are not arilled, the drilling work is eliminated which will lead to the cost reduction.
(b) The panels (l) and (2) have no bolt holes and therefore, no need of bolting which means improved installation work and less parts - labor-saving and cost reduction.
(c) Since the panels (l) and (2) are not drilled, and therefore, no fear of panel cracklng.
(d) Because of the ab~ence of the holes ln the panels (l) and (2), the invasion of rain water and cold air can be prevented and airtightness and heat insulatlon are secured.
(e) Since there i~ no hole in the panels (l) and (2~, ~here ls no re~r of crack occurring from the hole due to , :;
~ 1 6377;~
, the wind pressure or human body weight.
(f) Since the panels (1) and (2) are only inserted into the fitting devices, the installing and removing work is very much improved.
(g) Labor cost can be reduced because only one person (even layman) can do the installation work.
~ h) The fitting devices are only installed at limited important points reduced quantity of parts.
~ i) Since the panels ~1) and (2) are only gripped and can expand or contract freely depending on the temperature change, there is no fear of breakage.
This invention has described in detail on the installation of corrugated acrylic panels but the panel may be flat, and the material can be metal, synthetic resin, wood or other similar materials. Also the panels ~1) and (2) may be either transparent or semi-transparent or completely opaque materials such as sheets zinc.
The devices of this invention i8 most suitable for the corrugated panels to be used for the roof, etc. of the hothouse, but they are also usable for the installation o~
the sheets such as zinc sheet~ of the general houses.
.
.
Fig. 10 shows another embodiment example of this lnvention. This device consists of two waved or bowed plates, main plate ~45) and pressing plate (46), a connecting plece (47) to connect them, a panel in~erting clearance (~8) formed between the main plate (45) and preRsing plate (46), and two long supportlng leg~ (49) extended vertlcally or obliquely downward from onc end Or the main plate ~4$).
~ 1 6377~
The supporting leg (49) has a L-shaped hitching part t50) and the length is made almost same a~ the height of the C-shaped channel ~23) and the length of the hitching part (5) is made almost same as the width of the C-shaped channel.
Although the hitching part (50) in the figure 10 is formed in the L-shape, it is not necessarily limited to that shape, and it can be adequately bent to fit the external shape of the bas~ material (fr~mewor~) such as pipe, angle, pillar, etc. and the proper length can be chosen.
If, therefore, the fitting device (E) in Fig. 10 is to be used on the C-shaped channel (23), a representative base material, the hitching part (50) i~ hooked under the C-shaped channel (23) and the main plate (45) and pressing plate (46) are turned clockwise with the supporting (49) in contact with the side of the C-shaped channel so that they will be positioned in parallel with the C-shaped channel (23) to grip the lo~7er acrylic panel (1) between the main plate (45) and the C-shaped channel. In another way of installation, the lower acrylic panel (1) is held between the pain plate (45) and the C-shaped channel and the two supporting legs (49) are forced mutually inward, i.e. in the direction of the arrow F, and then, the hitching part (50) is hoo~ed under the channel with the supportinq legs (49) in contact with the side of the C-shaped channel, and when the arrow direction pressure is released, the supporti~ legs (49) will return to thelr original positions with their own spring force causing the hitching part (50) to hoo~ the C-shaped channel (23) flrmly and pulling down the main plate (45) and pressing plate (46), and then the main plate (45) presses down the lower acryllc panel tl) to grip lt firmly.
Then, the upper acryllc panel (2) is inserted into khe ciearance (48) and gripped securely between the two plates, .
~ ~ 63772 main plate (45) and pressing plate 146).
The following will explain the installation of acrylic panels for instance on the hothouse using the fitting devices as described in the above embodiment examples.
The hothouse has square pipes as its framework to which the C-shaped channels are installed transversely to form the beams on which many corru~ated acrylic panels (l) and ~2) are placed one upon the other by means of the fitting devices of this invention to cover the roof, wall and gable of the hothouse through which the sunrays come into the hothouse and the heat is reserved. The ends of the acrylic panels (l) and (2) are held by the flat plates.
As well known, the acrylic panel is a corrugated plate made solely of the acrylic resin which is superior in transparency, ultraviolet ray transmission, weather-proofing, heat-reserving, durability, tensile strength and breakage ~trength and also is light in weight. It can also absorb the impact energy when any external force is pressed. If the device of this invention is useds (a) Since the acrylic panels ~l) and (2) are not arilled, the drilling work is eliminated which will lead to the cost reduction.
(b) The panels (l) and (2) have no bolt holes and therefore, no need of bolting which means improved installation work and less parts - labor-saving and cost reduction.
(c) Since the panels (l) and (2) are not drilled, and therefore, no fear of panel cracklng.
(d) Because of the ab~ence of the holes ln the panels (l) and (2), the invasion of rain water and cold air can be prevented and airtightness and heat insulatlon are secured.
(e) Since there i~ no hole in the panels (l) and (2~, ~here ls no re~r of crack occurring from the hole due to , :;
~ 1 6377;~
, the wind pressure or human body weight.
(f) Since the panels (1) and (2) are only inserted into the fitting devices, the installing and removing work is very much improved.
(g) Labor cost can be reduced because only one person (even layman) can do the installation work.
~ h) The fitting devices are only installed at limited important points reduced quantity of parts.
~ i) Since the panels ~1) and (2) are only gripped and can expand or contract freely depending on the temperature change, there is no fear of breakage.
This invention has described in detail on the installation of corrugated acrylic panels but the panel may be flat, and the material can be metal, synthetic resin, wood or other similar materials. Also the panels ~1) and (2) may be either transparent or semi-transparent or completely opaque materials such as sheets zinc.
The devices of this invention i8 most suitable for the corrugated panels to be used for the roof, etc. of the hothouse, but they are also usable for the installation o~
the sheets such as zinc sheet~ of the general houses.
.
.
Claims (5)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A panel fitting device for fitting a corrugated panel to a framework member comprising:
a pair of spaced-apart substantially parallel panel-holding sections each comprising a main part and a pressing part connected to one end of said main part and defining a clearance space therewith for receiving an upper panel;
a supporting leg connected to each main part at an opposite end thereof, extending away from said clearance space;
a hitching part connected to each supporting leg at an end of each leg opposite to each respective main part, each hitching part extending substantially parallel to said holding sections and shaped to engage a framework member with a lower panel held between said main part and the framework member;
a panel pressing sect-ion connected between each presseing part of each holding section at an end of each pressing part opposite a connection between each pressing part and each main part, said panel pressing section being curved in a direction away from each clearance space for engagement around a corrugation of an upper corrugated panel to be fitted.
a pair of spaced-apart substantially parallel panel-holding sections each comprising a main part and a pressing part connected to one end of said main part and defining a clearance space therewith for receiving an upper panel;
a supporting leg connected to each main part at an opposite end thereof, extending away from said clearance space;
a hitching part connected to each supporting leg at an end of each leg opposite to each respective main part, each hitching part extending substantially parallel to said holding sections and shaped to engage a framework member with a lower panel held between said main part and the framework member;
a panel pressing sect-ion connected between each presseing part of each holding section at an end of each pressing part opposite a connection between each pressing part and each main part, said panel pressing section being curved in a direction away from each clearance space for engagement around a corrugation of an upper corrugated panel to be fitted.
2. A panel fitting device as claimed in claim 1 wherein all parts thereof are made of wire rod.
3. A panel fitting device as claimed in claim 1 wherein said supporting legs run obliquely downward.
4. A panel fitting device as claimed in claim 1 wherein said supporting legs run down vertically.
5. A panel fitting device as claimed in claim 1 including a relief at the connecting point between each main part and the supporting leg connected thereto.
Applications Claiming Priority (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP115749/1980 | 1980-08-22 | ||
| JP119210/1980 | 1980-08-22 | ||
| JP1980119210U JPS6133152Y2 (en) | 1980-08-22 | 1980-08-22 | |
| JP55115749A JPS5740051A (en) | 1980-08-22 | 1980-08-22 | Mounting of plate body |
| JP16284980U JPS5784222U (en) | 1980-11-14 | 1980-11-14 | |
| JP162849/80 | 1980-11-14 | ||
| JP184039/1980 | 1980-12-20 | ||
| JP1980184039U JPS6020744Y2 (en) | 1980-12-20 | 1980-12-20 | Plate mounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1163772A true CA1163772A (en) | 1984-03-20 |
Family
ID=27470288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000383873A Expired CA1163772A (en) | 1980-08-22 | 1981-08-14 | Panel fitting device |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1163772A (en) |
-
1981
- 1981-08-14 CA CA000383873A patent/CA1163772A/en not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |