US3753583A - Expanding-type fastening device for detachable interconnection of hollow structural details - Google Patents
Expanding-type fastening device for detachable interconnection of hollow structural details Download PDFInfo
- Publication number
- US3753583A US3753583A US00197056A US3753583DA US3753583A US 3753583 A US3753583 A US 3753583A US 00197056 A US00197056 A US 00197056A US 3753583D A US3753583D A US 3753583DA US 3753583 A US3753583 A US 3753583A
- Authority
- US
- United States
- Prior art keywords
- expanding
- core
- fastening device
- segments
- another
- 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 - Lifetime
Links
- 239000011248 coating agent Substances 0.000 claims abstract description 14
- 238000000576 coating method Methods 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 10
- 239000004033 plastic Substances 0.000 claims abstract description 8
- 239000013013 elastic material Substances 0.000 claims abstract description 6
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000002184 metal Substances 0.000 abstract description 12
- 229910052751 metal Inorganic materials 0.000 abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000006223 plastic coating Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B47/00—Cabinets, racks or shelf units, characterised by features related to dismountability or building-up from elements
- A47B47/0008—Three-dimensional corner connectors, the legs thereof being received within hollow, elongated frame members
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B1/5825—Connections for building structures in general of bar-shaped building elements with a closed cross-section
- E04B1/5831—Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially rectangular form
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/96—Corner joints or edge joints for windows, doors, or the like frames or wings
- E06B3/964—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces
- E06B3/968—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces characterised by the way the connecting pieces are fixed in or on the frame members
- E06B3/972—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces characterised by the way the connecting pieces are fixed in or on the frame members by increasing the cross-section of the connecting pieces, e.g. by expanding the connecting pieces with wedges
-
- 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
- F16B12/00—Jointing of furniture or the like, e.g. hidden from exterior
- F16B12/40—Joints for furniture tubing
-
- 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
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/04—Clamping or clipping connections
- F16B7/044—Clamping or clipping connections for rods or tubes being in angled relationship
- F16B7/0446—Clamping or clipping connections for rods or tubes being in angled relationship for tubes using the innerside thereof
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B2220/00—General furniture construction, e.g. fittings
- A47B2220/11—Tripod parts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2406—Connection nodes
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B1/5825—Connections for building structures in general of bar-shaped building elements with a closed cross-section
- E04B2001/5856—Connections for building structures in general of bar-shaped building elements with a closed cross-section using the innerside thereof
-
- 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
- F16B12/00—Jointing of furniture or the like, e.g. hidden from exterior
- F16B12/44—Leg joints; Corner joints
- F16B2012/446—Leg joints; Corner joints with three-dimensional corner element, the legs thereof being inserted in hollow frame members
-
- 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
- Y10T403/00—Joints and connections
- Y10T403/53—Split end with laterally movable opposed portions
- Y10T403/535—Split end with laterally movable opposed portions with separate force-applying means
-
- 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
- Y10T403/00—Joints and connections
- Y10T403/55—Member ends joined by inserted section
- Y10T403/557—Expansible section
Definitions
- An expanding-type fastening device for detachable interconnection of hollow structural details comprises an expansible core made of rigid material, such as metal, and a coating of elastic material, such as plastic, fixedly arranged on the core.
- FIG. I PRIOR ART EXPANDING-TYPE FASTENING DEVICE FOR DETACHABLE INTERCONNECTION OF HOLLOW STRUCTURAL DETAILS
- This invention relates to an expanding-type fastening device for detachable interconnection of hollow structural details, and said device comprises expanding members which are adapted to nest in each of the structural details and which can be expanded by means of at least one expanding member operable from outside.
- a prior art expanding fastening device of the type outlined in the foregoing is intended for detachable interconnection of pipes or tubes of quadrangular cross section, for which reason the expanding members are likewise of quadrangular cross section, diagonally slotted and have expanding elements in the form of cooperating screws which are accessible through apertures in the tubes which are preferably of aluminium.
- a non-slit intermediary member Arranged between the expanding members is a non-slit intermediary member in the shape of a cube which re mains visible after the device has been mounted.
- the device is made in an integral piece of metal, preferably an aluminium alloy.
- the device in combination consists of a core which is made of a rigid material, such as metal, and the expanding member elements of which are slotted, and a coating of elastic material, such as plastic, fixedly arranged thereon.
- the surfaces of the device need not be very thoroughly machined and the core may advantageously consist of several simple metal details which need not even be mechanically interconnected but can be held together with the aid of the plastic coating subsequently applied, which coating is of optional thickness within certain limits.
- the device is then ready for use without further machining. This considerably reduces the cost of manufacture, and the appearance of the device will be equally pleasing or even more pleasing than before and has a much more resistant surface than the earlier finely machined and often painted metal surface.
- the fastening device according to the present invention is considerably cheaper in manufacture than the previously known devices, which is a very important and decisive factor.
- the elastic coating will provide a distribution of forces between the expanding member and the tube throughout the engagement surface and also a better nesting engagement of the parts with smaller expansion forces owing to the increased friction; the engagement can be further improved by arrangement of minor projections at the inner side of the tube. Any risk of visible markings on the outer side of the tube is eliminated.
- Another important functional advantage is that the elastic coating tends to return the expanding member to the initial position after finished expansion. It should also be mentioned that the otherwise dirt-collecting diagonal slot in the expanding members can be fully covered by the coating, which in most cases is caused to cover all of the surfaces of the core.
- FIG. 1 is a perspective view of a prior art expandingtype fastening device
- FIG. 2 is a side view of an expanding-type fastening device according to the present invention.
- FIG. 3 is a section on line III-III in FIG. 2.
- FIG. 1 by way of comparison shows a prior art fastening device I intended for detachable interconnection of pipes or tubes 2 of quadrangular cross section.
- This device incorporates diagonally slotted expanding members 3 and an interconnecting non-slotted intermediary member 4 in the form of a cube.
- the expanding members can be expanded with the aid of cooperating screws 5 which are accessible through apertures 6 in the tubes 2.
- This device suffers from all of the drawbacks outlined in the foregoing.
- a core consisting of simple welded iron parts can be provided (as shown in FIGS. 2 and 3) with a coating of an elastic material, such as polypropylene or nylon.
- the fastening device shown in FIGS. 2 and 3 thus comprises a core 7 the horizontal portion of which (see FIG. 2) is formed by two parallel adjoining iron rods of semi-circular section and the vertical portion of which likewise is formed of semi-circular iron rods 7a, 7b which are welded at 8 to the two first iron rods so that these will also be welded together.
- the resulting dividing cut between the iron rods will be diagonally located in relation to a tube 2' of quadrangular section, which is indicated by dash-anddot lines.
- the core 7 thus formed is provided by a simple onestep plastic casting operation with an elastic coating 8 which is fixedly arranged thereon and preferably completely covers the core and which also constitutes the cube 4' separating the expanding members.
- the expanding members of the expanding device can be given a square cross sectional shape by reason of the coating, but it is more suitable to cut off the corners as shown in FIG. 3 in order to provide room for the contemplated expansion of the elastic coating material and in order that the layer covering the dividing cut shall not be too thick to prevent spreading each expanding memher.
- expansion of the expanding member is effected with the aid of screws which cooperate with one another at the dividing cut.
- FIGS. 2 and 3 should be considered merely as an example of the invention and that several modifications are conceivable within the scope of the appended claim.
- the principle of the invention can be exploited in fastening devices for detachable interconnection of structural details formed with holes of any cross sectional shape whatever, and the device need not be expanded with the aid of cooperating screws.
- the parts forming the core need not be interconnected as the coating can keep the parts together to the extent required, and the cube-shaped intermediary member 4' illustrated may be dispensed with in many cases.
- the parts forming the core may be simple bent sheet metal details or a cast body, for example of the appearance illustrated in FIG. 1.
- an expanding-type fastening device for detachably interconnecting tubular structural elements, said fastening device comprising an elongated core member formed from a rigid material such as metal and adapted to be telescopingly received in one of said structural elements, a longitudinally extending slot formed in and dividing said core member into segments along at least a substantial portion of the length thereof, at least one expansion member engaging said core and operable from outside the tubular structure element for moving said segments relative to one another to expand said core, and an elongated sleeve of elastic material such as plastic fixedly mounted on and substantially covering the outer peripheral surface of said core and bridging said slot, whereby upon operation of said expansion member to move said segments to an expanded position spaced from one another within a tubular structural element said coating will be expanded into tight frictional contact within the inner surface of the tubular structural element, said sleeve being dimensioned to apply a radially compressive force to said core tending to move said segments toward one another from their
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE15146/70A SE343928B (xx) | 1970-11-10 | 1970-11-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3753583A true US3753583A (en) | 1973-08-21 |
Family
ID=20300222
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US00197056A Expired - Lifetime US3753583A (en) | 1970-11-10 | 1971-11-09 | Expanding-type fastening device for detachable interconnection of hollow structural details |
Country Status (9)
Country | Link |
---|---|
US (1) | US3753583A (xx) |
AT (1) | AT313003B (xx) |
BE (1) | BE775204A (xx) |
CH (1) | CH552144A (xx) |
DE (1) | DE2155191A1 (xx) |
FR (1) | FR2114495A5 (xx) |
IT (1) | IT940516B (xx) |
NL (1) | NL7115472A (xx) |
SE (1) | SE343928B (xx) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4859109A (en) * | 1986-08-05 | 1989-08-22 | Giampaolo Targetti | Expansion type clamp for connecting coinciding ends of tubular components for reticular structures and the like |
US5002421A (en) * | 1985-09-02 | 1991-03-26 | Elite N.V. | Connection for successive sections of a helical spring like conveying elements |
US20050008431A1 (en) * | 2003-07-08 | 2005-01-13 | Harold Albaugh | Connector for tube and connected tubular structure |
NL1027917C2 (nl) * | 2004-12-29 | 2006-06-30 | Prolyte Vastgoed B V | Verbindingsstuk voor constructiedelen. |
US20160160897A1 (en) * | 2014-12-08 | 2016-06-09 | Prairie View Industries, Inc. | Insert connector and stem caster assembly using the same |
CN107150577A (zh) * | 2016-03-03 | 2017-09-12 | 德韧营运有限责任公司 | 挤制构件角连接 |
US20180202477A1 (en) * | 2017-01-13 | 2018-07-19 | Futaba Industrial Co., Ltd. | Pipe joining structure |
US20180361188A1 (en) * | 2016-08-05 | 2018-12-20 | Pucuda, Inc. | Modular Amusement Play Structure Employing Multi-Piece Connectors |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2312637A1 (fr) * | 1975-05-29 | 1976-12-24 | Eurocour Sarl | Ensemble de profiles et pieces d'assemblage pour la realisation de chassis vitres ou non, ouvrants ou non |
FR2436904A1 (fr) * | 1978-09-25 | 1980-04-18 | Rossi Pierre Alain | Perfectionnement aux raccords pour l'assemblage de tubes carres et rectangulaires |
IT1301959B1 (it) * | 1998-07-29 | 2000-07-20 | Leonardo Srl | Dispositivo di giunzione per la realizzazione di sistemi portantiper posti di lavoro |
EP2663698A4 (en) * | 2011-01-11 | 2014-10-15 | Iyad Mohamad Adnan Daadoush | NON-STANDARD REINFORCED LOAD SUPPORT CELL FOR A SIMPLIFIED INTERCONNECTION CELLULAR CONSTRUCTION SYSTEM |
CN103590497A (zh) * | 2013-11-28 | 2014-02-19 | 苏州征之魂专利技术服务有限公司 | 与异型材配合的拐角插头拆装节点结构件 |
DE202018103215U1 (de) | 2018-06-08 | 2018-07-09 | Korb + Korb Architektur Kommunikation Design | Verbindungsvorrichtung zum lösbaren Verbinden zweier winklig zueinander ausgerichteter Gestellteile eines Möbelgestells |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE548983A (xx) * | ||||
US1943807A (en) * | 1932-11-21 | 1934-01-16 | Joseph S D Bellerive | Tool handle |
US3094338A (en) * | 1960-12-23 | 1963-06-18 | Richard W Page | Chuck |
US3128131A (en) * | 1961-11-02 | 1964-04-07 | Andrew F Bianchini | Hammer handle anchoring means |
US3576336A (en) * | 1969-11-19 | 1971-04-27 | Uniroyal Inc | Force transmitting system |
US3645569A (en) * | 1970-08-25 | 1972-02-29 | Beautiline Ltd | Connector for joining tubular members |
-
1970
- 1970-11-10 SE SE15146/70A patent/SE343928B/xx unknown
-
1971
- 1971-11-06 DE DE19712155191 patent/DE2155191A1/de active Pending
- 1971-11-08 CH CH1621471A patent/CH552144A/xx not_active IP Right Cessation
- 1971-11-08 AT AT09610/71A patent/AT313003B/de not_active IP Right Cessation
- 1971-11-09 FR FR7140123A patent/FR2114495A5/fr not_active Expired
- 1971-11-09 US US00197056A patent/US3753583A/en not_active Expired - Lifetime
- 1971-11-10 IT IT30895/71A patent/IT940516B/it active
- 1971-11-10 BE BE775204A patent/BE775204A/xx unknown
- 1971-11-10 NL NL7115472A patent/NL7115472A/xx unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE548983A (xx) * | ||||
US1943807A (en) * | 1932-11-21 | 1934-01-16 | Joseph S D Bellerive | Tool handle |
US3094338A (en) * | 1960-12-23 | 1963-06-18 | Richard W Page | Chuck |
US3128131A (en) * | 1961-11-02 | 1964-04-07 | Andrew F Bianchini | Hammer handle anchoring means |
US3576336A (en) * | 1969-11-19 | 1971-04-27 | Uniroyal Inc | Force transmitting system |
US3645569A (en) * | 1970-08-25 | 1972-02-29 | Beautiline Ltd | Connector for joining tubular members |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5002421A (en) * | 1985-09-02 | 1991-03-26 | Elite N.V. | Connection for successive sections of a helical spring like conveying elements |
US4859109A (en) * | 1986-08-05 | 1989-08-22 | Giampaolo Targetti | Expansion type clamp for connecting coinciding ends of tubular components for reticular structures and the like |
US20050008431A1 (en) * | 2003-07-08 | 2005-01-13 | Harold Albaugh | Connector for tube and connected tubular structure |
US6874971B2 (en) | 2003-07-08 | 2005-04-05 | Freeman Capital Company | Connector for tube and connected tubular structure |
NL1027917C2 (nl) * | 2004-12-29 | 2006-06-30 | Prolyte Vastgoed B V | Verbindingsstuk voor constructiedelen. |
EP1676967A1 (en) * | 2004-12-29 | 2006-07-05 | Prolyte Vastgoed B.V. | Connecting piece for construction parts |
US20160160897A1 (en) * | 2014-12-08 | 2016-06-09 | Prairie View Industries, Inc. | Insert connector and stem caster assembly using the same |
US10094406B2 (en) * | 2014-12-08 | 2018-10-09 | Prairie View Industries, Inc. | Insert connector and stem caster assembly using the same |
CN107150577A (zh) * | 2016-03-03 | 2017-09-12 | 德韧营运有限责任公司 | 挤制构件角连接 |
US20180361188A1 (en) * | 2016-08-05 | 2018-12-20 | Pucuda, Inc. | Modular Amusement Play Structure Employing Multi-Piece Connectors |
US20180202477A1 (en) * | 2017-01-13 | 2018-07-19 | Futaba Industrial Co., Ltd. | Pipe joining structure |
Also Published As
Publication number | Publication date |
---|---|
BE775204A (fr) | 1972-03-01 |
AT313003B (de) | 1973-12-15 |
IT940516B (it) | 1973-02-20 |
FR2114495A5 (xx) | 1972-06-30 |
SE343928B (xx) | 1972-03-20 |
NL7115472A (xx) | 1972-05-15 |
DE2155191A1 (de) | 1972-05-18 |
CH552144A (de) | 1974-07-31 |
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