IL45268A - Apparatus for fastening flexible plastic film - Google Patents
Apparatus for fastening flexible plastic filmInfo
- Publication number
- IL45268A IL45268A IL45268A IL4526874A IL45268A IL 45268 A IL45268 A IL 45268A IL 45268 A IL45268 A IL 45268A IL 4526874 A IL4526874 A IL 4526874A IL 45268 A IL45268 A IL 45268A
- Authority
- IL
- Israel
- Prior art keywords
- locking strip
- channel
- web
- overhanging
- side walls
- Prior art date
Links
- 239000002985 plastic film Substances 0.000 title claims description 7
- 229920002457 flexible plastic Polymers 0.000 title claims description 6
- 239000011324 bead Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 7
- 210000003414 extremity Anatomy 0.000 description 4
- 229920006255 plastic film Polymers 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C7/00—Paperhanging
- B44C7/02—Machines, apparatus, tools or accessories therefor
- B44C7/022—Tapestry work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/0092—Tools moving along strips, e.g. decorating or sealing strips, to insert them in, or remove them from, grooves or profiles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/06—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips
- F16B5/0692—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips joining flexible sheets to other sheets or plates or to strips or bars
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/44—Clasp, clip, support-clamp, or required component thereof
- Y10T24/44034—Dissociable gripping members
- Y10T24/44043—Channel and inserted bar
- Y10T24/4406—Resilient channel or bar
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Connection Of Plates (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Description
Apparatus for fastening flexible plastic film Plant Products Go. Ltd 45268/2 This invention relates to new and useful improvements in fastening systems for plastic film. This application constitutes an Improvement ove ray United States Patent No.3,505,725, Issued April 14th, 1970.
The above identified United States Patent shows a machine for installing a planar locking stri within a flexible channel having overhanging side walls of equal dimension.
The devic and method described in the patent while satisfactory for some circumstances provides a lap joint which is no always satisfactory for other conditions. This is because the locking stri lies flat when installed and, under certain conditions of tensio upon the film held thereby, can become disengaged.
Furthermore there are many installations where the pull on the film is in one direction so that the channel can be formulated which permits the locking strip to be Installed without the us of the special tool illustrated in that patent.
French patent 1,245,940 shows apparatu for mounting of an edge of flexible material such as plastic which comprises a pair of mating profiles one of which is selectably Insertable into engagement with the second, thus securing a sheet of flexible material disposed therebetween. " : j . .·. ' · British patent 1,279,761 describes apparatus for securing a flexible web to a surface, comprising two-channel-shaped supports for attachment to opposite ends of the surface and two retainers for attachment to corresponding ends of the web, each channel-shaped support and/or its associated etaine being resilien and each retainer being shaped to b releasably received in a bent-over limb of the - position where it substantially overlies and is releasably received in the channel-shaped support, the constructio of the supports and retainers being such that when the apparatus is in use with the web attached to the retainers and the retainers in their final positions, the said limbs of the channel-shaped supports are outermost and cooperate with the retainers to retain the eb tensioned and spaced from the innermost limbs of the channel-shaped supports* Neither of the above patents shows a locking strip In the form of a downwardly extending edge portion of an overhanging side wall which is capable of being displaced outwardly when a locking strip is engaged and moves back to its original locking position after insertion o the locking strip. Thus, the above patents do not provide positive locking of the film or sheet such that in the presence of hig winds the sheet does not readily becom displaced from the mounting profile.
The presen Invention includes a flexible elongated channel having overhanging side walls either of the same dimension or different dimensions with a flexible locking strip having a novel configuration.
One embodiment of the locking strip includes longitudinally extending beads formed along each edge of the locking strip upon one side thereof which are adapted to face downwardly towards the base of the channel when installed thus permitting the web of the locking strip to be forced into a downwardly curved concavo-convex relationship relative to the base of the channel thus preventing displacement of the locking strip.
Another embodiment includes a relatively simple tool for installing one edge of the locking strip after the other edge has been engaged under one overhanging side edge of the channel and a further invention shows two other methods of facilitating the installation of the locking strip particularly when used with a channel having equally dimensioned overhanging edges.
Another object of the invention is to provide a de-vice of the character herewithin described which is particularly suitable for use in attaching flexible material or the like to a retaining or locking strip fixed to a supporting surface and is particularly suitable for use in upholstery work or the like.
Still another object of the invention is therefore to provide a device of the character herewithin described -which permits the specific form of channel t?o be chosen de A still further object of the invention is to provide a device of the character herewithin described which is simple in construction, economical in manufacture and otherwise well suited to the purpose for which it is designed.
With the foregoing objects in view, and other such objects and advantages as will become apparent to those skill ed in the art to which this invention relates as this specification proceeds, my invention consists essentially in the arrangement and construction of parts all as hereinafter more particularly described, reference being had to the accompanying drawings in which :- DESCRIPTION OF THE DRAWINGS ;- Figure 1 shows a partially schematic end view of both embodiments of the channel with a sheet of film being held thereby.
Figure 2 is an end view of one embodiment of the channel showing the locking strip just prior to its being snapped into position.
Figure 3 is a view similar to Figure 2 but showing the relatively simple tool which may be used to facilitate the engagement of the edge of the locking strip within the channel. of the locking strip within one embodiment of the channel.
Figure 5 shows one embodiment of the channel with two sheets of film and the locking strip in position to be engaged within the channel.
Figure 6 is a view similar to Figure 5 but showing the locking strip in the channel with the edges of the film being held in overlapping relationship therewithin.
Figure 7 is a fragmentary isometric view of the locking strip and channel of Figure 4.
Figure 8 is an end view showing one embodiment of the device being used for upholstery or similar finishing.
Figure 9 is an end view of a yet further embodiment of the locking strip per se.
Figure 10 is an end view partially schematic showing a tool for facilitating the engagement of the locking strip of Figure 9 within the channel.
Figure 11 is a view similar to Figure 10 but showing a different embodiment of the tool.
Figure 12 is an end view of an alternative embodi- In the drawings like characters of reference indicate corresponding parts in the different figures.
DETAILED DESCRIPTION ;- Proceeding therefore to describe the invention in detail, reference should first be made to Figure 7 which shows a channel collectively designated 10 preferably made of relatively flexible plastic or similar material and including a planar base 11 and a pair of overhanging side wall portions 12 with the inner longitudinally extending edges 13 being spaced above the base 11 and turned inwardly towards one another as clearly shown.
A locking strip collectively designated 14 is also made of relatively flexible plastic or similar material and extends longitudinally and includes a substantially planar web 15 having longitudinally extending beads 16 formed on each edge of the web and upon the underside thereof with reference to Figure 7 and these beads normally engage under the overhanging side walls 12 as clearly illustrated in Figure 7 with plastic film (not illustrated in this view) being sand-wiched therebetween.
It will be observed that when the locking strip 14 is engaged within the channel 10 as shown in Figure 7 , the · web 15 lies in a concavo-convex relationship with the base 11 of the channel and towards said base, th purpose of Figure 4 shows a similar embodiment of the channel as that shown in Figure 7 with a sheet of plastic film 17 be ing sandwiched between the locking strip 14 and the channel 10.
During the installation of the locking strip, the film is first laid within the channel whereupon one side edge of the locking strip, specifically designated 16A, is manually engaged under one overhanging edge of the channel specifically designated 12A.
A relatively simple tool collectively designated 18 may then be used to engage the other side edge 16B of the locking strip under the overhanging side edge 12B of the channel as clearly illustrated in Figure 4. This pull includes a handle 19 having a stem 20 extending therefrom and a spindle 21 extending at right angles from the lower end of the stem. A wheel collectively designated 22 is journalled for rotation upon the spindle 21 and this wheel includes a concave rim portion 23 which extends between a relatively wide perimetrical edge 24 and a relatively narrow perimetrical edge 25 as clearly illustrated. This concave rim portion engages the edge portion of the locking strip in wedging relationship with the overhanging edge 13 of the channel and by running the wheel longitudinally along the junction between these parts, the tape is buckled as illustrated so that the bead or edge 16B of the ^Locking strip is » Figures 2 and 3 shows a further embodiment of the channel in which the one overhanging side edge 12A overhangs the base by an amount greater than the other overhanging side edge 12B as clearly illustrated. This permits the film of plastic 17 to be engaged within the channel and manually forced into the wider overhanging side edge 12A by the engagement of the side edge 16A of the locking strip. The web 15 of the locking strip may then be pushed downwardly either by means of a simple tool 18 or by the thumb of the operator so that the other edge 16B is snapped under the overhanging * side edge 12B as clearly shown in Figure 2 and in Figure 3.
Figure 1 shows a combination of the two embodiments of; the channel 10 illustrated in Figures 2 and 4 and is usable where a relatively wide area of film 17 is to be secured to a structure. Reference character 26 illustrates supports to which the channels 10 may be secured by means of nails 27 or the equivalent. In this embodiment, the strain upon the film 17 is in the direction of arrows 28 insofar as the two outer channels are concerned and in the direction of arrows 29 insofar as the central channel . is concerned.
It will be noted that the outermost channels are similar to the channels illustrated in Figures 2 and 3 so that when the strain is applied in the direction of arrows 28, the locking strips are forced outwardly in the direction a the channels thus preventing inadvertent disengagement of the locking strips from the channels. In this connection it will be observed that the webs 15 of these outermost locking strips f exs downwardly towards the bases 11 of the channels once again preventing disengagement of the locking strips from the channels.
The central channel having equal overhanging side edges, operates in a similar manner depending upon which side of the film has the greatest pull or tension placed thereon. However as hereinbefore described, this requires a tool such as the tool 18 for installation whereas the outermost channels may be installed without the tool if desired.
Figures 5 and 6 show a similar channel 10 as illustrated in Figures 2 and 3, being used to form an overlapping junction between the marginal edges of two sheets of film 17A and 17B, the operation of the installation of the locking strip 14 being similar to that hereinbefore described. This enables the structure to be used for joining two sheets of flexible material together.
- Figures 9, 10 and 11 show a further embodiment particularly having regard to the tool to facilitate the installation of the locking strip within the channel.
In this particular embodiment, the locking strip1 the upper side of the web 15. This rib is provided with flanges 32 extending upon each side thereof at the upper side of the rib as clearly shown.
Dealing first with the tool shown schematically in Figure 10, a frame 33 is provided with a manipulating handle 34 on the upper side thereof. A pair of downwardly extending spindles 35 carry a knurled wheel 36 for rotation substantially in a horizontal plane relative to the frame 33. These knurled wheels include the relatively wide knurled upper perimeter 37 and a concave rim 38 narrowing down to the lowermost perimeter 39. The knurled perimetrical rims 37 engage under the flanges 32 of the rib 31 and the spacing of .the concave rims forces the tape into the position shown in Figure 10 thus facilitating the engagement within the channel 10 after the film 17 has been laid over the channel.
In Figure 11, a further embodiment is shown schematically in which a frame 40 is also provided with a manipulating handle 41 and spindles 42 depending downwardly . to support for rotation, knurled wheels 40·. These wheels are reversed with respect to the wheels 36 shown in Figure 10 and have relatively wide knurled perimetrical edges 44 which engage under the flanges 32 of the rib 31 and support the locking strip during the installation within the channel 10.
The frame 40 is provided with dependent side plates The embodiment is similar to those previously described so that similar reference characters have been given where applicable.
The overhanging side wall 12A is similar to that hereinbefore described but the other overhanging side wall 12C is modified to overcome the disadvantages mentioned above • The longitudinally extending edge 13A, in this embodiment, depends downwardly towards the base 11 and is( manufactured from a material flexible enough to enable this downwardly extending portion to be in a hinging relationship to the major portion 13B.
This means that when the bead 16 of the locking strip 14 is forced into engagement as hereinbefore described/ the downwardly depending portion moves outwardly in the direction of arrow 53 thus facilitating, the engagement of the bead 16. As soon as the bead 16 passes the lowermost extremity of this downwardly extending portion 13A . the resiliency of the material causes this portion to move back to the original position in the direction opposite to that of arrow 53 thus allowing the engagement of the locking strip eve in cold weather, without tearing or cutting the film held thereby.
Since various modifications can be made in my in scope of the claims without departing from such spirit and scope, it is intended that all matter contained in the accompanying specification shall be interpreted as illustrative only and not in a limiting sense. . 45268/2
Claims (6)
1. Apparatus for holding flexible plastic film in place comprising in combination an elongated flexible channel including a base and a pair of s X£d«t walls overhanging the side edges of said base, a elongated flexible locking strip detachably e gageable under said overhanging side walls , said locking strip including a web having a longitudinal edge on each side thereof, said edges engaging under said overhanging side walls and facing the base of said channel when installed, the associated flexible plastic film being sandwiched between the locking strip and said channel, one of said side walls including a downwardly extending edge portion, said edge portion being substantially flexible and being displaced outwardly when said locking strip is engaged,and moving back to the original position after said locking strip is installed.
2. The apparatus according to Claim 1 in which one of said overhanging side walls overhangs said base by an amount greater than the other of said side walls, said downwardly extending edge portion being formed on said other overhanging side wall.
3. Apparatus according to Claim 2 which includes a bead formed!longitudinally upon each of said edges of said web.
4. The apparatus according to Claim 3 in which the web of said locking strip lies in a concavo-convex relationshi towards said beads when installed.
5. Apparatus according to Claim 1 which includes a bead formed longitudinally upon each of said edges of said web.
6. The apparatus according to Claim 5 in which the web of said locking strip lies in a concavo-convex relationship towards said beads when installed. For th A Scan s
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US37981573A | 1973-07-16 | 1973-07-16 | |
| US406786A US3893212A (en) | 1973-07-16 | 1973-10-16 | Device for making lap joints for plastic film and the like |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL45268A0 IL45268A0 (en) | 1974-10-22 |
| IL45268A true IL45268A (en) | 1977-01-31 |
Family
ID=27008780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL45268A IL45268A (en) | 1973-07-16 | 1974-07-15 | Apparatus for fastening flexible plastic film |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3893212A (en) |
| JP (1) | JPS5070767A (en) |
| BR (1) | BR7405853A (en) |
| CA (1) | CA1005622A (en) |
| CY (1) | CY944A (en) |
| DE (1) | DE2433638A1 (en) |
| FR (1) | FR2238078B3 (en) |
| GB (1) | GB1469132A (en) |
| IL (1) | IL45268A (en) |
| IT (1) | IT1017179B (en) |
| NL (1) | NL7409506A (en) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3999258A (en) * | 1975-11-28 | 1976-12-28 | Curry Walter J | Fastener for plastic film sheeting and the like |
| FR2385930A1 (en) * | 1977-03-28 | 1978-10-27 | Chatelain Michel | FILM ATTACHMENT |
| US4267876A (en) * | 1978-10-13 | 1981-05-19 | Park Fastener Company | Film fastening system |
| GB2124290A (en) * | 1982-07-22 | 1984-02-15 | Clovis Lande | Apparatus for securing flexible sheet material |
| US4534145A (en) * | 1983-07-25 | 1985-08-13 | The Firestone Tire & Rubber Company | Attachment device for securing flexible sheets |
| CA1228966A (en) * | 1983-07-25 | 1987-11-10 | Firestone Tire & Rubber Company (The) | Mechanical fastening system |
| US4638532A (en) * | 1983-07-25 | 1987-01-27 | The Firestone Tire & Rubber Company | Mechanical fastening system |
| JPS60123296U (en) * | 1984-01-27 | 1985-08-20 | パネフリ工業株式会社 | decorative material |
| US4703518A (en) * | 1985-08-27 | 1987-10-27 | Minigrip, Inc. | Attachment of plastic zipper to the outside of incompatible bag wall web |
| US4682642A (en) * | 1985-12-09 | 1987-07-28 | Hogshead Iii Rodney C | Fastener for plastic film sheeting |
| GB8604807D0 (en) * | 1986-02-26 | 1986-04-03 | Carrington S P | Sheet fabric joining system |
| CA1313644C (en) * | 1986-09-25 | 1993-02-16 | Richmond Scott | Carrier tape and cover applying and removal devices for same |
| DE3750334T2 (en) * | 1986-10-27 | 1995-03-02 | Nolan V E L | FASTENERS. |
| US4972980A (en) * | 1989-06-12 | 1990-11-27 | P & L Industries, Inc | Pacifier holder |
| SE466186B (en) * | 1989-07-31 | 1992-01-13 | Dux Ind Ab | STRAIGHT, WIRELESS STEP FOR FURNITURE AND OTHER FITTING DETAILS |
| US5101975A (en) * | 1990-10-31 | 1992-04-07 | Novapak, Inc. | Electronic component carrier |
| FR2781429B1 (en) * | 1998-07-21 | 2000-10-13 | Peugeot | SELF-ADHESIVE TAPE CONSISTING FOR EXAMPLE OF A JOINT FOR A MOTOR VEHICLE |
| CA2306307C (en) * | 1999-09-16 | 2007-01-02 | Toto Kogyo Kabushiki Kaisha | Sheet fixing device |
| FR2836692B1 (en) * | 2002-03-01 | 2004-06-18 | Newmat Sa | ASSISTANCE TOOL FOR MOUNTING FABRICS OF FALSE CEILINGS |
| US7381006B2 (en) * | 2005-01-07 | 2008-06-03 | Inventio Ag | Device for fastening components |
| US20070000100A1 (en) * | 2005-07-01 | 2007-01-04 | Smith Clay D | Clamp device |
| US8641028B2 (en) * | 2010-01-19 | 2014-02-04 | Walter John Curry | Sliding tool for insertion of a locking strip into a channel for sealing the edge of a film |
| CN108058004B (en) * | 2017-12-01 | 2023-08-01 | 中船重工鹏力（南京）智能装备系统有限公司 | Automatic assembly device of gauge diaphragm assembly |
| US11788319B2 (en) * | 2019-03-28 | 2023-10-17 | Richard Joseph ZOLTEK | Tarpaulin clamp |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1484382A (en) * | 1923-08-31 | 1924-02-19 | Allitt Thomas Berry | Clip for attaching articles of wearing apparel |
| US2164414A (en) * | 1936-01-22 | 1939-07-04 | Long Albert Regan | Aircraft |
| US3141221A (en) * | 1962-11-13 | 1964-07-21 | Amtec Inc | Closure for flexible bags |
| US3225407A (en) * | 1964-03-31 | 1965-12-28 | Transatlantic Plastics Ltd | Clip for flexible sheet |
| US3384938A (en) * | 1965-10-23 | 1968-05-28 | Thomas E. O'connor | Pliable material clamp |
| US3527284A (en) * | 1968-12-20 | 1970-09-08 | Newell Mfg Co | Curtain pleat former |
| US3792510A (en) * | 1972-03-22 | 1974-02-19 | Griffolyn Company | Fastener |
| US3805873A (en) * | 1972-05-03 | 1974-04-23 | Werner F | Lock bar type edge fastener for flexible covers |
-
1973
- 1973-10-16 US US406786A patent/US3893212A/en not_active Expired - Lifetime
-
1974
- 1974-07-08 CA CA204,271A patent/CA1005622A/en not_active Expired
- 1974-07-12 DE DE2433638A patent/DE2433638A1/en not_active Withdrawn
- 1974-07-15 GB GB3125074A patent/GB1469132A/en not_active Expired
- 1974-07-15 NL NL7409506A patent/NL7409506A/en not_active Application Discontinuation
- 1974-07-15 CY CY944A patent/CY944A/en unknown
- 1974-07-15 IL IL45268A patent/IL45268A/en unknown
- 1974-07-15 FR FR7424512A patent/FR2238078B3/fr not_active Expired
- 1974-07-16 BR BR5853/74A patent/BR7405853A/en unknown
- 1974-07-16 JP JP49081591A patent/JPS5070767A/ja active Pending
- 1974-10-12 IT IT25201/74A patent/IT1017179B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| BR7405853D0 (en) | 1975-08-26 |
| GB1469132A (en) | 1977-03-30 |
| CA1005622A (en) | 1977-02-22 |
| CY944A (en) | 1978-06-23 |
| IL45268A0 (en) | 1974-10-22 |
| NL7409506A (en) | 1975-01-20 |
| JPS5070767A (en) | 1975-06-12 |
| FR2238078A1 (en) | 1975-02-14 |
| BR7405853A (en) | 1975-08-26 |
| US3893212A (en) | 1975-07-08 |
| DE2433638A1 (en) | 1975-02-06 |
| IT1017179B (en) | 1977-07-20 |
| FR2238078B3 (en) | 1977-05-20 |
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