US20090277525A1 - Stretch Hose - Google Patents
Stretch Hose Download PDFInfo
- Publication number
- US20090277525A1 US20090277525A1 US12/354,291 US35429109A US2009277525A1 US 20090277525 A1 US20090277525 A1 US 20090277525A1 US 35429109 A US35429109 A US 35429109A US 2009277525 A1 US2009277525 A1 US 2009277525A1
- Authority
- US
- United States
- Prior art keywords
- hose
- stretch
- support spiral
- spiral
- stretch hose
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
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- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/24—Hoses, i.e. flexible pipes wound from strips or bands
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/24—Hoses or pipes; Hose or pipe couplings
- A47L9/248—Parts, details or accessories of hoses or pipes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/131—Curved articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C48/154—Coating solid articles, i.e. non-hollow articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/56—Winding and joining, e.g. winding spirally
- B29C53/58—Winding and joining, e.g. winding spirally helically
- B29C53/581—Winding and joining, e.g. winding spirally helically using sheets or strips consisting principally of plastics material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
- B29C53/82—Cores or mandrels
- B29C53/821—Mandrels especially adapted for winding and joining
- B29C53/825—Mandrels especially adapted for winding and joining for continuous winding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/18—Pleated or corrugated hoses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/142—Laminating of sheets, panels or inserts, e.g. stiffeners, by wrapping in at least one outer layer, or inserting into a preformed pocket
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/11—Hoses, i.e. flexible pipes made of rubber or flexible plastics with corrugated wall
- F16L11/112—Hoses, i.e. flexible pipes made of rubber or flexible plastics with corrugated wall having reinforcements embedded in the wall
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/11—Hoses, i.e. flexible pipes made of rubber or flexible plastics with corrugated wall
- F16L11/115—Hoses, i.e. flexible pipes made of rubber or flexible plastics with corrugated wall having reinforcements not embedded in the wall
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/56—Winding and joining, e.g. winding spirally
- B29C53/58—Winding and joining, e.g. winding spirally helically
- B29C53/581—Winding and joining, e.g. winding spirally helically using sheets or strips consisting principally of plastics material
- B29C53/582—Winding and joining, e.g. winding spirally helically using sheets or strips consisting principally of plastics material comprising reinforcements, e.g. wires, threads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/005—Hoses, i.e. flexible
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/18—Pleated or corrugated hoses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/546—Flexural strength; Flexion stiffness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2597/00—Tubular articles, e.g. hoses, pipes
Definitions
- the invention relates to an elastically stretchable stretch hose with a support spiral acting as a tension spring and with a hose wall connected with the support spiral and consisting of a synthetic material.
- Elastically stretchable stretch hoses with a hose wall made of synthetic material are known in many different embodiment variants and for a multitude of applications. All these variants are characterized by getting their stretchability through an integrated support spiral or helix made of steel wire, acting as a tension spring and providing at the same time the necessary radial strength.
- the known stretch hoses just differ by the application of different shapes and arrangements (profiles) of the plastic band forming the hose wall.
- the support spiral is made of a synthetic material.
- the hose is without prestress, i.e. stressfree, and the spring tension is only built up when the hose is stretched.
- the hose wall is manufactured with the corresponding required profiling.
- the band between two adjacent spiral turns, forming the hose wall is, therefore, advantageously shaped in the form of a loop or fold, so that adjacent spiral turns lie one beside the other in rest condition.
- the stretch hose in such a way that the spring tension building up during stretching and trying to restore the compact rest configuration of the hose, is generated both by the support spiral and by the band profile forming the hose wall. That means that the share of the “restoration-seeking” spring tension attributable to the material of the hose wall in proportion to the share attributable to the support spiral should advantageously be quite significant and should preferably amount to at least 25%, particularly preferably, to at least 50% of the total spring tension.
- all synthetic materials known from stretch hoses with steel-wire spiral can be used. These are mainly plasticized PVC and TPU, but also all other synthetic materials which are deformable under the conditions of application of the stretch hose, preferably elastic and preferably thermoplastically processable synthetic materials, such as, e.g. TPE or EPDM/PP, can be used.
- thermoplastically processable synthetic material whose modulus of elasticity should expediently be higher than the modulus of elasticity of the material of the hose wall, in order to achieve a sufficient radial strength, e.g. unplasticized PVC, TPU, ABS, PP, TPE.
- the stretch ratio of the stretch hose is at least 1.5:1. That means that the stretch hose can be stretched to at least 1.5 times its basic length in compact, contracted state, without permanent deformation and without overstressing the support spiral acting as a tension spring.
- the spring constant effective when the stretch hose is stretched has a value of 5 N/m to 25 N/m.
- FIG. 1 shows a longitudinal section through a stretch hose (in detail). An exemplary embodiment of the invention is explained in detail in the following by means of the drawing.
- the stretch hose 2 shown in FIG. 1 in a longitudinal section comprises a support spiral 4 (this designation has become customary, although the term “helix” or “screw” would actually be more correct) coiling in the manner of a helical line around an imaginary cylinder. It also comprises a hose wall 6 , which is extruded or consists of a rolled-up plastic sheet or a plastic band whose edges are bonded or glued together, said hose wall 6 being connected (e.g. bonded) to the support spiral 4 at corresponding contact points 8 located, in the present exemplary embodiment, outside, and being supported by said support spiral 4 .
- the stretch hose 2 can, therefore, be used as a suction and pressure hose.
- the support spiral 4 can also be completely integrated in the hose wall 6 or be covered by the latter, so that it will not get into contact with the flow medium flowing in the stretch hose 2 .
- the hose wall 6 In the compact basic configuration shown in the FIGURE, the hose wall 6 , viewed in section, has a wave-like profile or a profile provided with folds 10 , so that under tensile stress, the stretch hose 2 can be stretched and thus, extended, if required, at its ends in longitudinal direction 12 , in the manner of a concertina or of expansion bellows, against the building-up spring resistance of the elements support spiral 4 and hose wall 6 acting as a tension spring, maximally up to a complete extension of all freely movable profile bends or folds 10 , e.g. to at least 1.5 times its basic length.
- the stretch hose 2 When the ends are released, the stretch hose 2 will automatically contract, as a consequence of the spring resistance acting in longitudinal direction 12 .
- the support spiral 4 of the stretch hose 2 is made of synthetic material, in the present exemplary embodiment, of TPU.
- This material has a higher modulus of elasticity than the material of the hose wall 6 , in the present exemplary embodiment, also TPU, but with a lower modulus of elasticity. Therefore, this particularly preferred material selection for the support spiral 4 assures, with a relatively low weight, both a sufficient radial strength and, together with the hose wall, a suitable stretching force in longitudinal direction 12 , which is, however, in general lower than that of wire spirals of the same size.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
An elastically stretchable stretch hose (2) with a support spiral (4) acting as a tension spring and with a hose wall (6) connected with the support spiral (4) and consisting of a synthetic material, shall have a relatively low weight. Furthermore, it is desirable for various applications that the stretching force required for the extension is kept relatively low. For this purpose, the support spiral (4) is made, according to the invention, of a synthetic material.
Description
- The invention relates to an elastically stretchable stretch hose with a support spiral acting as a tension spring and with a hose wall connected with the support spiral and consisting of a synthetic material.
- Elastically stretchable stretch hoses with a hose wall made of synthetic material are known in many different embodiment variants and for a multitude of applications. All these variants are characterized by getting their stretchability through an integrated support spiral or helix made of steel wire, acting as a tension spring and providing at the same time the necessary radial strength. The known stretch hoses just differ by the application of different shapes and arrangements (profiles) of the plastic band forming the hose wall.
- The disadvantages of this type of hose structure are, on the one hand, the relatively high weight of the hose due to the wire spiral and the relatively high costs, because the cost price of the steel wire determines the price of the product. On the other hand, stretch hoses with steel-wire spiral usually involve relatively high stretching forces, as, for stretching the hose, the material-dependent relatively high spring resistance of the steel-wire spiral has to be overcome.
- It is the aim of the present invention to provide a stretch hose which, in comparison with the currently known stretch hoses, has a reduced weight with, at the same time, minimized production costs. Furthermore, it is desirable that the stretching force required for the extension is reduced.
- This task is solved according to the invention by the fact that the support spiral is made of a synthetic material.
- The clearly lower density of synthetic materials as compared with steel results in a significant reduction of the weight of the stretch hose. The costs of the product are also reduced because the share of the plastic spiral in the costs is clearly lower, due to the reduced weight percentage in the total product and the usually lower cost prices of synthetic materials in comparison with steel wire. Furthermore, with this hose structure, stretch hoses with a relatively low stretching force can be manufactured because the spring resistance to be overcome is in this construction rather low.
- It is particularly advantageous when in rest condition, the hose is without prestress, i.e. stressfree, and the spring tension is only built up when the hose is stretched. In order that the hose takes a blocked form in rest condition, the hose wall is manufactured with the corresponding required profiling. The band between two adjacent spiral turns, forming the hose wall, is, therefore, advantageously shaped in the form of a loop or fold, so that adjacent spiral turns lie one beside the other in rest condition.
- Furthermore, it is advantageous to design the stretch hose in such a way that the spring tension building up during stretching and trying to restore the compact rest configuration of the hose, is generated both by the support spiral and by the band profile forming the hose wall. That means that the share of the “restoration-seeking” spring tension attributable to the material of the hose wall in proportion to the share attributable to the support spiral should advantageously be quite significant and should preferably amount to at least 25%, particularly preferably, to at least 50% of the total spring tension.
- Through the novel design, a higher flexibility of the stretch hose can possibly be achieved also concerning the stress acting at right angles to the longitudinal direction.
- For manufacturing the hose wall, all synthetic materials known from stretch hoses with steel-wire spiral can be used. These are mainly plasticized PVC and TPU, but also all other synthetic materials which are deformable under the conditions of application of the stretch hose, preferably elastic and preferably thermoplastically processable synthetic materials, such as, e.g. TPE or EPDM/PP, can be used.
- For the support spiral, advantageously a thermoplastically processable synthetic material is used, whose modulus of elasticity should expediently be higher than the modulus of elasticity of the material of the hose wall, in order to achieve a sufficient radial strength, e.g. unplasticized PVC, TPU, ABS, PP, TPE.
- When selecting the material for the support spiral, it should expediently be made sure that the material can well be bonded with the material selected for the hose wall.
- Advantageously, the stretch ratio of the stretch hose is at least 1.5:1. That means that the stretch hose can be stretched to at least 1.5 times its basic length in compact, contracted state, without permanent deformation and without overstressing the support spiral acting as a tension spring.
- Advantageously, the spring constant effective when the stretch hose is stretched has a value of 5 N/m to 25 N/m.
-
FIG. 1 shows a longitudinal section through a stretch hose (in detail). An exemplary embodiment of the invention is explained in detail in the following by means of the drawing. - The
stretch hose 2 shown inFIG. 1 in a longitudinal section comprises a support spiral 4 (this designation has become customary, although the term “helix” or “screw” would actually be more correct) coiling in the manner of a helical line around an imaginary cylinder. It also comprises ahose wall 6, which is extruded or consists of a rolled-up plastic sheet or a plastic band whose edges are bonded or glued together, saidhose wall 6 being connected (e.g. bonded) to thesupport spiral 4 at corresponding contact points 8 located, in the present exemplary embodiment, outside, and being supported by saidsupport spiral 4. Thestretch hose 2 can, therefore, be used as a suction and pressure hose. In a variant (not shown), thesupport spiral 4 can also be completely integrated in thehose wall 6 or be covered by the latter, so that it will not get into contact with the flow medium flowing in thestretch hose 2. - In the compact basic configuration shown in the FIGURE, the
hose wall 6, viewed in section, has a wave-like profile or a profile provided withfolds 10, so that under tensile stress, thestretch hose 2 can be stretched and thus, extended, if required, at its ends inlongitudinal direction 12, in the manner of a concertina or of expansion bellows, against the building-up spring resistance of the elements supportspiral 4 andhose wall 6 acting as a tension spring, maximally up to a complete extension of all freely movable profile bends orfolds 10, e.g. to at least 1.5 times its basic length. When the ends are released, thestretch hose 2 will automatically contract, as a consequence of the spring resistance acting inlongitudinal direction 12. - Contrary to the stretch hoses known so far, which are provided with a support spiral made of steel wire, the
support spiral 4 of thestretch hose 2 is made of synthetic material, in the present exemplary embodiment, of TPU. This material has a higher modulus of elasticity than the material of thehose wall 6, in the present exemplary embodiment, also TPU, but with a lower modulus of elasticity. Therefore, this particularly preferred material selection for thesupport spiral 4 assures, with a relatively low weight, both a sufficient radial strength and, together with the hose wall, a suitable stretching force inlongitudinal direction 12, which is, however, in general lower than that of wire spirals of the same size. - At the contact points 8, the
support spiral 4 and thehose wall 6 are bonded together. -
- 2 Stretch hose
- 4 Support spiral
- 6 Hose wall
- 8 Contact point
- 10 Fold
- 12 Longitudinal direction
Claims (8)
1. Elastically stretchable stretch hose (2) comprising:
a support spiral (4) acting as a tension spring; and
a hose wall (6) connected with the support spiral (4) and consisting of a material that is synthetic, the support spiral (4) consisting of a synthetic material.
2. Stretch hose (2) according to claim 1 , the support spiral (4) consisting of a thermoplastically deformable synthetic material.
3. Stretch hose (2) according to claim 1 , the support spiral (4) consisting of PVC, TPU, PP, TPE, or ABS.
4. Stretch hose (2) according to claim 1 , the support spiral (4) consisting of a synthetic material having a higher modulus of elasticity than the material of which the hose wall (6) consists.
5. Stretch hose (2) according to claim 1 , the stretch ratio being at least 1.5:1.
6. Stretch hose (2) according to claim 1 , wherein the hose wall (6) also has a significant spring effect.
7. Stretch hose (2) according to claim 1 , wherein the spring constant effective when the stretch hose (2) is stretched has a value of 5 N/m to 25 N/m.
8. Stretch hose (2) according to claim 2 , wherein the thermoplastically deformable synthetic material is a thermoplastic elastomer.
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/799,263 US8453681B2 (en) | 2009-01-15 | 2010-04-21 | Flexible, stretchable, crush resistant hose well suited for medical applications |
US13/986,465 US9308698B2 (en) | 2009-01-15 | 2013-05-06 | Method of hose manufacture |
US13/987,837 US9365004B2 (en) | 2009-01-15 | 2013-09-06 | Flexible stretch hose having inwardly extending web portions connecting adjacent pairs of reinforcing coils, with hose properties enhanced by annealing |
US13/998,898 US20160175551A9 (en) | 2009-01-15 | 2013-12-19 | Tube in tube breathing circuits |
US14/120,981 US9964238B2 (en) | 2009-01-15 | 2014-07-18 | Stretch hose and hose production method |
US14/544,767 US9556978B2 (en) | 2008-05-07 | 2015-02-16 | Stretch hose and hose production method |
US15/530,530 US9989174B2 (en) | 2008-05-07 | 2017-01-25 | Stretch hose and hose production method |
US15/932,813 US10859188B2 (en) | 2009-01-15 | 2018-04-30 | Stretch hose and hose production method |
US15/932,864 US10584812B2 (en) | 2008-05-07 | 2018-05-09 | Stretch hose and hose production method |
US17/086,403 US11835157B2 (en) | 2009-01-15 | 2020-10-31 | Stretch hose and hose production method |
US18/529,904 US20240102586A1 (en) | 2009-01-15 | 2023-12-05 | Flexible stretch hose having hollow reinforcing coils and properties enhanced by annealing |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008022663A DE102008022663B4 (en) | 2008-05-07 | 2008-05-07 | Stretch hose |
DE102008022663.7 | 2008-05-07 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/507,172 Continuation-In-Part US9505164B2 (en) | 2008-05-07 | 2012-06-11 | Tapered helically reinforced hose and its manufacture |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/799,263 Continuation-In-Part US8453681B2 (en) | 2008-05-07 | 2010-04-21 | Flexible, stretchable, crush resistant hose well suited for medical applications |
Publications (1)
Publication Number | Publication Date |
---|---|
US20090277525A1 true US20090277525A1 (en) | 2009-11-12 |
Family
ID=41253604
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/354,291 Abandoned US20090277525A1 (en) | 2008-05-07 | 2009-01-15 | Stretch Hose |
US14/544,767 Active 2029-05-05 US9556978B2 (en) | 2008-05-07 | 2015-02-16 | Stretch hose and hose production method |
US15/530,530 Active US9989174B2 (en) | 2008-05-07 | 2017-01-25 | Stretch hose and hose production method |
US15/932,864 Active 2029-07-12 US10584812B2 (en) | 2008-05-07 | 2018-05-09 | Stretch hose and hose production method |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/544,767 Active 2029-05-05 US9556978B2 (en) | 2008-05-07 | 2015-02-16 | Stretch hose and hose production method |
US15/530,530 Active US9989174B2 (en) | 2008-05-07 | 2017-01-25 | Stretch hose and hose production method |
US15/932,864 Active 2029-07-12 US10584812B2 (en) | 2008-05-07 | 2018-05-09 | Stretch hose and hose production method |
Country Status (3)
Country | Link |
---|---|
US (4) | US20090277525A1 (en) |
DE (1) | DE102008022663B4 (en) |
IT (1) | IT1394056B1 (en) |
Cited By (24)
Publication number | Priority date | Publication date | Assignee | Title |
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US20100215351A1 (en) * | 2009-02-20 | 2010-08-26 | Schauenburg Hose Technology Gmbh | Heatable Hose |
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Also Published As
Publication number | Publication date |
---|---|
US9556978B2 (en) | 2017-01-31 |
US20180266592A1 (en) | 2018-09-20 |
US20160186898A9 (en) | 2016-06-30 |
US9989174B2 (en) | 2018-06-05 |
DE102008022663B4 (en) | 2012-10-31 |
US20170138514A1 (en) | 2017-05-18 |
ITMI20090763A1 (en) | 2009-11-08 |
US20150276098A1 (en) | 2015-10-01 |
IT1394056B1 (en) | 2012-05-25 |
DE102008022663A1 (en) | 2009-12-03 |
US10584812B2 (en) | 2020-03-10 |
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