US20150211661A1 - Method for cutting a tube segment from a tube - Google Patents
Method for cutting a tube segment from a tube Download PDFInfo
- Publication number
- US20150211661A1 US20150211661A1 US14/413,653 US201314413653A US2015211661A1 US 20150211661 A1 US20150211661 A1 US 20150211661A1 US 201314413653 A US201314413653 A US 201314413653A US 2015211661 A1 US2015211661 A1 US 2015211661A1
- Authority
- US
- United States
- Prior art keywords
- hose
- casing
- segment
- cutting
- fixing means
- 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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- 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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0004—Cutting, tearing or severing, e.g. bursting; Cutter details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/08—Means for treating work or cutting member to facilitate cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
- B26D3/16—Cutting rods or tubes transversely
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F3/00—Severing by means other than cutting; Apparatus therefor
- B26F3/06—Severing by using heat
- B26F3/08—Severing by using heat with heated members
-
- 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
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- 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
- B32B37/16—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating
- B32B37/18—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating involving the assembly of discrete sheets or panels only
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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
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F3/00—Severing by means other than cutting; Apparatus therefor
- B26F3/06—Severing by using heat
-
- 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
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- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49815—Disassembling
- Y10T29/49817—Disassembling with other than ancillary treating or assembling
-
- 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
- Y10T83/00—Cutting
- Y10T83/04—Processes
- Y10T83/0405—With preparatory or simultaneous ancillary treatment of work
-
- 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
- Y10T83/00—Cutting
- Y10T83/04—Processes
- Y10T83/0596—Cutting wall of hollow work
Definitions
- the invention relates to a method for cutting a hose segment to length from a hose, which hose has an inner hose and an outer hose casing surrounding the inner hose, wherein the hose segment is separated from the hose in a cutting plane oriented perpendicular to the longitudinal extent of said hose by means of a cutting tool at a cutting point, wherein the hose casing of the hose is ensheathed with a severable hose fixing means which covers the intended cutting point before the hose segment is separated from the hose at the cutting point by means of the cutting tool, wherein the hose fixing means fully surrounds the outer hose casing in a circumferential direction, and wherein the hose fixing means is fixed on the hose casing, and/or the hose surrounded by the hose fixing means is severed by means of the cutting tool, in such a way that a relative displacement of the hose fixing means with respect to the hose casing and/or of the hose casing with respect to the inner hose is prevented.
- the invention also relates to a hose segment having an inner hose and having an outer hose casing surrounding the inner hose, which hose casing is ensheathed by a cut-to-length, severable hose fixing means which extends as far as a cutting plane formed by a face end of the hose segment and oriented perpendicular to the longitudinal extent of the hose segment and which at least fully surrounds the outer hose casing in a circumferential direction with a wrap angle of at least 360°, wherein the hose fixing means is fixed on the outer hose casing such that a relative displacement of the hose fixing means with respect to the hose casing and/or of the hose casing with respect to the inner hose is prevented.
- US 2008/0016936 A1 has already disclosed a method of the type mentioned in the introduction which is used for cutting a hose segment to length from a hose, which hose has an inner hose and an outer hose casing which surrounds the inner hose and which is in the form of a meshwork formed from metal or plastics strands.
- the known method makes provision for the hose casing of the hose to be ensheathed with a severable hose fixing means which covers the intended cutting point before the hose segment is separated from the hose at the cutting point by means of the cutting tool.
- the known method duly prevents individual metal or plastics strands of the meshwork provided as a hose casing from being able to become snagged when a clamping sleeve is pushed onto the hose segment that has been cut to length in this way; normally, however, said clamping sleeves have a clamping sleeve internal diameter which is matched to the external diameter of the hose segment, with the result that, as the clamping sleeve is pushed on, there is the risk of the hose fixing means being pushed back relative to the hose casing, and additionally or instead the hose casing being pushed back relative to the inner hose, with the consequential result that the clamping sleeve is not held adequately securely and firmly on the corresponding end of the hose segment.
- the hose fixing means in the form of an adhesive tape which is adhesive on one side has a middle part which fully surrounds the hose and which is adjoined at both sides by hose fixing end parts, in that the hose fixing end parts bear with their adhesive surfaces against one another, and in that the hose fixing end parts, bearing with their adhesive surfaces against one another, are laid against the hose such that the adhesive surface of one of the hose fixing end parts is, by way of a subregion protruding beyond the other hose fixing end part, held adhesively on the hose or on the hose segment.
- the hose fixing means fully surrounds the outer hose casing in a circumferential direction and thus covers or wraps around the hose casing at least over 360° of the circumference.
- the hose fixing means is fixed on the hose casing, and/or the hose surrounded by the hose fixing means is severed by means of a cutting tool, in such a way that a relative displacement of the hose fixing means with respect to the hose casing and/or of the hose casing with respect to the inner hose is prevented.
- the hose segment according to the invention has an inner hose and an outer hose casing surrounding the inner hose.
- Said hose casing is ensheathed by a cut-to-length, severable hose fixing means which extends as far as a cutting plane formed by a face end of the hose segment and oriented perpendicular to the longitudinal extent of the hose segment.
- Said hose fixing means at least fully surrounds the outer hose casing in a circumferential direction with a wrap angle of at least 360°.
- the hose fixing means is fixed on the outer hose casing such that a relative displacement of the hose fixing means with respect to the hose casing and/or of the hose casing with respect to the inner hose is prevented.
- the hose fixing means in the form of an adhesive tape which is adhesive on one side has a middle part which fully surrounds the hose and which is adjoined at both sides by hose fixing end parts, in that the hose fixing end parts bear with their adhesive surfaces against one another, and in that the hose fixing end parts, bearing with their adhesive surfaces against one another, are laid against the hose such that the adhesive surface of one of the hose fixing end parts is, by way of a subregion protruding beyond the other hose fixing end part, held adhesively on the hose or on the hose segment.
- a refining embodiment of the invention provides that the hose is cut to length by means of a cutting blade which serves as a cutting tool and which is guided approximately perpendicularly with respect to the hose longitudinal direction.
- a cutting blade of said type which is guided approximately perpendicularly with respect to the hose longitudinal direction, the hose segment can be cut to length from the hose at the desired cutting point in an effective manner.
- the hose prefferably be cut to length by means of a cutting tool which generates cutting heat, specifically preferably in such a way that the plastics material, which becomes pasty under the action of the cutting heat, of at least one of the constituents: hose fixing means, hose casing and/or inner hose adhesively bonds, melts or fixes in a similar manner, at least in regions, at least one of the adjacent constituents in order to secure the relative position between the hose casing and the inner hose.
- a hose casing produced for example from plastics strands is cut to length by means of such a cutting tool that generates cutting heat, it is possible for the plastics material of the plastics strands, which becomes pasty under the action of the cutting heat, to adhesively bond and/or fuse to the hose casing and/or to the inner hose such that a relative displacement of said constituents at least in an axial direction is prevented.
- a preferred embodiment of the invention provides that a clamping sleeve, a crimp sleeve or a sleeve-shaped hose end piece is pushed onto that end of the hose segment which is secured by the hose fixing means, and that the hose fixing means protrudes beyond the inner end of the clamping sleeve, crimp sleeve or the hose end piece and forms a kink prevention means.
- FIGS. 1 to 4 show individual method steps of a method specified for cutting a hose segment to length, wherein a hose fixing means in the form of an adhesive tape is applied to the hose to be cut to length, which hose fixing means has a middle part which fully surrounds the hose and which is adjoined at both sides by hose end parts,
- FIGS. 5 and 6 show a hose fixing means which protrudes beyond a hose end piece and which serves as a kink prevention means, in a side view ( FIG. 5 ) and in a perspective illustration ( FIG. 6 ),
- FIGS. 7 and 8 show the method steps for cutting a hose segment to length, wherein in this case, a guillotine-like cutting tool is used which, during the cutting process, is guided approximately perpendicularly to the hose longitudinal direction,
- FIGS. 9 and 10 show the method steps specified for cutting a hose segment to length, wherein, in this case, the hose is cut to length by means of a cutting tool which generates cutting heat, and
- FIG. 11 shows a hose that has been prepared for the cutting to length of a hose segment, which hose, in the region of the intended cutting point, is formed as a hose encapsulation which fully surrounds the hose in a circumferential direction in a sub-section.
- FIGS. 1 to 11 illustrate different variants of a method according to the invention which is specified for cutting a hose segment 1 to length from a flexible hose and for the production of a cut-to-length hose segment 1 .
- the hose used for the hose segment 1 has an inner hose 2 and an outer hose casing 3 surrounding the inner hose 2 .
- the hose casing 3 is in this case in the form of a meshwork produced using interwoven metal or plastics strands. It is also possible to use a hybrid meshwork, the meshwork strands of which are composed, in part, of plastic and, in part, of metal.
- the hose segment 1 which is required for example for the production of a hose segment in the form of a flexible sanitary hose line is separated from the hose in a cutting plane oriented perpendicular to the longitudinal extent of said hose by means of a cutting tool at a cutting point.
- the hose casing 3 is ensheathed with a severable hose fixing means 4 which covers the intended cutting point before the hose segment 1 is separated from the hose at the cutting point by means of the cutting tool.
- Sanitary hose lines normally have, at both face ends, a sleeve-shaped hose end piece 5 , which is for example also in the form of a clamping or crimping sleeve (cf. FIGS. 5 and 6 ). Since the clear sleeve internal diameter of a hose end piece 5 of said type approximately corresponds to the external diameter of the hose casing 3 , which is in particular equipped with a hose fixing means 4 , it is the object to minimize the risk of the hose fixing means 4 being displaced relative to the hose casing 3 , or the hose casing 3 being displaced relative to the inner hose 2 , when a hose end piece 5 is pushed on.
- the hose fixing means 5 fully surrounds the outer hose encapsulation 3 in a circumferential direction and is fixed thereon, and/or the hose surrounded by the hose fixing means 4 is severed by means of the cutting tool, in such a way that a relative displacement of the hose fixing means 4 with respect to the hose casing 3 and/or of the hose casing 3 with respect to the inner hose 2 is prevented.
- FIGS. 1 to 4 illustrate the method according to the invention, in which the hose fixing means 4 is formed by an adhesive tape which is adhesive on one side.
- An adhesive tape which serves as a hose fixing means 4 can be positioned on and applied to practically any location on a hose, which may possibly also be of a great length.
- an adhesive tape which is adhesive on one side offers the advantage that the adhesive tape can be pulled tightly onto the hose such that the adhesive tape which serves as a hose fixing means 4 fixes on the hose casing 3 , and fixes the hose casing 3 on the inner hose 2 , and an inadvertent relative displacement of said constituents 2 , 3 and 4 is prevented.
- the hose fixing means 4 which is in the form of an adhesive tape has a middle part 6 which fully surrounds the hose and which is adjoined at both sides by hose fixing end parts 7 , 8 .
- Said hose fixing end parts 7 , 8 bear with their adhesive surfaces 9 against one another, wherein the hose fixing end parts 7 , 8 , bearing against one another with their adhesive surfaces 9 , are laid against the hose such that the adhesive surface 9 of one of the hose fixing end parts 7 , 8 is, by way of a subregion protruding beyond the other hose fixing end part 8 , 7 , held adhesively on the hose or on the hose segment 1 .
- FIGS. 5 and 6 are intended to illustrate that the width of the hose fixing means 4 in the longitudinal direction of the hose may be dimensioned such that the hose fixing means 4 , which protrudes beyond the inner end of the hose end piece 5 , forms a kink prevention means.
- FIGS. 7 to 10 it is shown that the hose that is fully surrounded by the hose fixing means 4 can be severed by means of the cutting tool such that a relative displacement of the hose fixing means 4 with respect to the hose casing 3 and/or of the hose casing 3 with respect to the inner hose 2 is prevented.
- the hose is cut to length by means of a cutting blade 12 which serves as a cutting tool and which is guided approximately perpendicularly to the hose longitudinal axis.
- the hose is cut to length by means of a cutting tool 13 which generates cutting heat, specifically in such a way that the plastics material, which becomes pasty under the action of the cutting heat, of at least one of the constituents: hose fixing means 4 , hose casing 3 and/or inner hose 2 adhesively bonds or fuses at least in regions to at least one of the adjacent constituents 2 , 3 , 4 .
- a cutting tool 13 which generates cutting heat, specifically in such a way that the plastics material, which becomes pasty under the action of the cutting heat, of at least one of the constituents: hose fixing means 4 , hose casing 3 and/or inner hose 2 adhesively bonds or fuses at least in regions to at least one of the adjacent constituents 2 , 3 , 4 .
- soldering iron-like cutting tool 13 use may if appropriate be made of a laser apparatus with a laser beam that likewise generates cutting heat.
- FIG. 11 shows that the hose fixing means 4 may also be formed, by means of injection molding, as a hose sheath which fully surrounds the hose casing 3 in a circumferential direction in a sub-section.
- the hose fixing means 4 it is expedient for the hose fixing means to have a small thickness, and preferably a thickness of 0.5/100th to 8/100th mm.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- General Engineering & Computer Science (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Endoscopes (AREA)
- Details Of Indoor Wiring (AREA)
Abstract
The invention relates to a method for cutting a tube segment (1) from a tube, said tube being provided with an inner tube (2) and an outer tube casing (3) surrounding the inner tube (2). Said the tube segment (1) is separated from the tube, by means of a cutting tool, at a cutting point in a cutting plane oriented transversely to the longitudinal extension of the tube. The tube casing (3) of the tube is surrounded by a separable tube retainer (4), which covers the provided cutting point before the tube segment (1) is separated from the tube, by means of the cutting tool, at the cutting point, wherein the tube retainer (4) completely surrounds the outer tube casing (3) in a peripheral direction. Said claimed method and tube segment produced according to said method are characterised in that the tube retainer (4) is fixed to the tube casing (3), and/or the tube surrounded by the tube retainer (4) is separated by means of the cutting tool such that a relative displacement of the tube retainer (4) with respect to the tube casing (3), that is, of the tube casing (3) with respect to the inner tube (2), is prevented.
Description
- This application is a §371 National Phase of PCT/EP2013/002401, filed Aug. 9, 2013, which claims the benefit of the U.S. provisional application No. 61/694,839 filed on 30 Aug. 2012 and that of the U.S. patent application Ser. No. 13/597,731 filed on 29 Aug. 2012, and is a continuation-in-part application of the U.S. patent application Ser. No. 11/775,890 filed on 11 Jul. 2007; the complete disclosures of said documents are hereby expressly included.
- The invention relates to a method for cutting a hose segment to length from a hose, which hose has an inner hose and an outer hose casing surrounding the inner hose, wherein the hose segment is separated from the hose in a cutting plane oriented perpendicular to the longitudinal extent of said hose by means of a cutting tool at a cutting point, wherein the hose casing of the hose is ensheathed with a severable hose fixing means which covers the intended cutting point before the hose segment is separated from the hose at the cutting point by means of the cutting tool, wherein the hose fixing means fully surrounds the outer hose casing in a circumferential direction, and wherein the hose fixing means is fixed on the hose casing, and/or the hose surrounded by the hose fixing means is severed by means of the cutting tool, in such a way that a relative displacement of the hose fixing means with respect to the hose casing and/or of the hose casing with respect to the inner hose is prevented.
- The invention also relates to a hose segment having an inner hose and having an outer hose casing surrounding the inner hose, which hose casing is ensheathed by a cut-to-length, severable hose fixing means which extends as far as a cutting plane formed by a face end of the hose segment and oriented perpendicular to the longitudinal extent of the hose segment and which at least fully surrounds the outer hose casing in a circumferential direction with a wrap angle of at least 360°, wherein the hose fixing means is fixed on the outer hose casing such that a relative displacement of the hose fixing means with respect to the hose casing and/or of the hose casing with respect to the inner hose is prevented.
- US 2008/0016936 A1 has already disclosed a method of the type mentioned in the introduction which is used for cutting a hose segment to length from a hose, which hose has an inner hose and an outer hose casing which surrounds the inner hose and which is in the form of a meshwork formed from metal or plastics strands. To be able to separate the hose segment from the hose in a cutting plane oriented perpendicular to the longitudinal extent of the hose by means of a cutting tool at a cutting point, the known method makes provision for the hose casing of the hose to be ensheathed with a severable hose fixing means which covers the intended cutting point before the hose segment is separated from the hose at the cutting point by means of the cutting tool. The known method duly prevents individual metal or plastics strands of the meshwork provided as a hose casing from being able to become snagged when a clamping sleeve is pushed onto the hose segment that has been cut to length in this way; normally, however, said clamping sleeves have a clamping sleeve internal diameter which is matched to the external diameter of the hose segment, with the result that, as the clamping sleeve is pushed on, there is the risk of the hose fixing means being pushed back relative to the hose casing, and additionally or instead the hose casing being pushed back relative to the inner hose, with the consequential result that the clamping sleeve is not held adequately securely and firmly on the corresponding end of the hose segment. By contrast, if the clamping sleeve is produced with an internal diameter which is significantly larger than the external diameter of the hose meshwork, in order to realize a large radial spacing between said parts and prevent the meshwork ends from colliding with the clamping sleeve during the pushing-on process, said large radial spacing has a disadvantageous effect during the subsequent crimping process.
- It is therefore the object in particular to improve the method mentioned in the introduction so as to minimize the risk of the hose fixing means being displaced relative to the hose casing, or of the hose casing being displaced relative to the inner hose, when a hose end piece is pushed on.
- It is a further object to provide a hose segment of the type mentioned in the introduction which minimizes the risk of the hose fixing means being displaced relative to the hose casing, or of the hose casing being displaced relative to the inner hose, when a hose end piece is pushed on.
- In the case of the method and the hose segment of the type mentioned in the introduction, said object is achieved according to the invention in that the hose fixing means in the form of an adhesive tape which is adhesive on one side has a middle part which fully surrounds the hose and which is adjoined at both sides by hose fixing end parts, in that the hose fixing end parts bear with their adhesive surfaces against one another, and in that the hose fixing end parts, bearing with their adhesive surfaces against one another, are laid against the hose such that the adhesive surface of one of the hose fixing end parts is, by way of a subregion protruding beyond the other hose fixing end part, held adhesively on the hose or on the hose segment.
- It is also the case in the method according to the invention that, before a hose segment is cut to length, the hose casing is ensheathed with a severable hose fixing means which covers the intended cutting point before the hose segment is severed from the hose at the cutting point by means of the cutting tool. Here, the method according to the invention provides that the hose fixing means fully surrounds the outer hose casing in a circumferential direction and thus covers or wraps around the hose casing at least over 360° of the circumference. Here, the hose fixing means is fixed on the hose casing, and/or the hose surrounded by the hose fixing means is severed by means of a cutting tool, in such a way that a relative displacement of the hose fixing means with respect to the hose casing and/or of the hose casing with respect to the inner hose is prevented.
- The hose segment according to the invention has an inner hose and an outer hose casing surrounding the inner hose. Said hose casing is ensheathed by a cut-to-length, severable hose fixing means which extends as far as a cutting plane formed by a face end of the hose segment and oriented perpendicular to the longitudinal extent of the hose segment. Said hose fixing means at least fully surrounds the outer hose casing in a circumferential direction with a wrap angle of at least 360°. Here, the hose fixing means is fixed on the outer hose casing such that a relative displacement of the hose fixing means with respect to the hose casing and/or of the hose casing with respect to the inner hose is prevented.
- To now make it significantly easier for a hose fixing means to be applied to a hose, it is provided according to the invention that the hose fixing means in the form of an adhesive tape which is adhesive on one side has a middle part which fully surrounds the hose and which is adjoined at both sides by hose fixing end parts, in that the hose fixing end parts bear with their adhesive surfaces against one another, and in that the hose fixing end parts, bearing with their adhesive surfaces against one another, are laid against the hose such that the adhesive surface of one of the hose fixing end parts is, by way of a subregion protruding beyond the other hose fixing end part, held adhesively on the hose or on the hose segment.
- The exemplary embodiments described below can be realized in an advantageous manner both with the method according to the invention and also in the case of the hose segment according to the invention:
- In order, during the cutting to length of the hose segment, to eliminate undesired transverse forces which could cause a displacement of the hose fixing means relative to the hose casing or even of the hose casing relative to the inner hose at least in an axial direction, a refining embodiment of the invention provides that the hose is cut to length by means of a cutting blade which serves as a cutting tool and which is guided approximately perpendicularly with respect to the hose longitudinal direction. By means of a cutting blade of said type which is guided approximately perpendicularly with respect to the hose longitudinal direction, the hose segment can be cut to length from the hose at the desired cutting point in an effective manner.
- It is however also possible for the hose to be cut to length by means of a cutting tool which generates cutting heat, specifically preferably in such a way that the plastics material, which becomes pasty under the action of the cutting heat, of at least one of the constituents: hose fixing means, hose casing and/or inner hose adhesively bonds, melts or fixes in a similar manner, at least in regions, at least one of the adjacent constituents in order to secure the relative position between the hose casing and the inner hose. If a hose casing produced for example from plastics strands is cut to length by means of such a cutting tool that generates cutting heat, it is possible for the plastics material of the plastics strands, which becomes pasty under the action of the cutting heat, to adhesively bond and/or fuse to the hose casing and/or to the inner hose such that a relative displacement of said constituents at least in an axial direction is prevented.
- A preferred embodiment of the invention provides that a clamping sleeve, a crimp sleeve or a sleeve-shaped hose end piece is pushed onto that end of the hose segment which is secured by the hose fixing means, and that the hose fixing means protrudes beyond the inner end of the clamping sleeve, crimp sleeve or the hose end piece and forms a kink prevention means.
- Refinements of the invention will emerge from the figures in conjunction with the claims and the description. The invention will be described in yet more detail below on the basis of preferred exemplary embodiments.
- In the figures:
-
FIGS. 1 to 4 show individual method steps of a method specified for cutting a hose segment to length, wherein a hose fixing means in the form of an adhesive tape is applied to the hose to be cut to length, which hose fixing means has a middle part which fully surrounds the hose and which is adjoined at both sides by hose end parts, -
FIGS. 5 and 6 show a hose fixing means which protrudes beyond a hose end piece and which serves as a kink prevention means, in a side view (FIG. 5 ) and in a perspective illustration (FIG. 6 ), -
FIGS. 7 and 8 show the method steps for cutting a hose segment to length, wherein in this case, a guillotine-like cutting tool is used which, during the cutting process, is guided approximately perpendicularly to the hose longitudinal direction, -
FIGS. 9 and 10 show the method steps specified for cutting a hose segment to length, wherein, in this case, the hose is cut to length by means of a cutting tool which generates cutting heat, and -
FIG. 11 shows a hose that has been prepared for the cutting to length of a hose segment, which hose, in the region of the intended cutting point, is formed as a hose encapsulation which fully surrounds the hose in a circumferential direction in a sub-section. -
FIGS. 1 to 11 illustrate different variants of a method according to the invention which is specified for cutting a hose segment 1 to length from a flexible hose and for the production of a cut-to-length hose segment 1. The hose used for the hose segment 1 has aninner hose 2 and anouter hose casing 3 surrounding theinner hose 2. Thehose casing 3 is in this case in the form of a meshwork produced using interwoven metal or plastics strands. It is also possible to use a hybrid meshwork, the meshwork strands of which are composed, in part, of plastic and, in part, of metal. - The hose segment 1 which is required for example for the production of a hose segment in the form of a flexible sanitary hose line is separated from the hose in a cutting plane oriented perpendicular to the longitudinal extent of said hose by means of a cutting tool at a cutting point. For this purpose, the
hose casing 3 is ensheathed with a severable hose fixing means 4 which covers the intended cutting point before the hose segment 1 is separated from the hose at the cutting point by means of the cutting tool. - Sanitary hose lines normally have, at both face ends, a sleeve-shaped
hose end piece 5, which is for example also in the form of a clamping or crimping sleeve (cf.FIGS. 5 and 6 ). Since the clear sleeve internal diameter of ahose end piece 5 of said type approximately corresponds to the external diameter of thehose casing 3, which is in particular equipped with a hose fixing means 4, it is the object to minimize the risk of the hose fixing means 4 being displaced relative to thehose casing 3, or thehose casing 3 being displaced relative to theinner hose 2, when ahose end piece 5 is pushed on. - To achieve said object, it is provided in the case of the method variants presented here that the hose fixing means 5 fully surrounds the
outer hose encapsulation 3 in a circumferential direction and is fixed thereon, and/or the hose surrounded by thehose fixing means 4 is severed by means of the cutting tool, in such a way that a relative displacement of the hose fixing means 4 with respect to thehose casing 3 and/or of thehose casing 3 with respect to theinner hose 2 is prevented. -
FIGS. 1 to 4 illustrate the method according to the invention, in which the hose fixing means 4 is formed by an adhesive tape which is adhesive on one side. An adhesive tape which serves as a hose fixing means 4 can be positioned on and applied to practically any location on a hose, which may possibly also be of a great length. Furthermore, an adhesive tape which is adhesive on one side offers the advantage that the adhesive tape can be pulled tightly onto the hose such that the adhesive tape which serves as a hose fixing means 4 fixes on thehose casing 3, and fixes thehose casing 3 on theinner hose 2, and an inadvertent relative displacement of saidconstituents - In the case of the approach shown in
FIGS. 1 to 4 , the hose fixing means 4 which is in the form of an adhesive tape has a middle part 6 which fully surrounds the hose and which is adjoined at both sides by hose fixingend parts 7, 8. Said hose fixingend parts 7, 8 bear with theiradhesive surfaces 9 against one another, wherein the hose fixingend parts 7, 8, bearing against one another with theiradhesive surfaces 9, are laid against the hose such that theadhesive surface 9 of one of the hose fixingend parts 7, 8 is, by way of a subregion protruding beyond the other hose fixingend part 8, 7, held adhesively on the hose or on the hose segment 1. - Since it is thus ensured that the hose fixing
end parts 7, 8 do not protrude beyond the hose in a disruptive manner, ahose end piece 5 can be easily pushed on over the face end of a hose. -
FIGS. 5 and 6 are intended to illustrate that the width of the hose fixing means 4 in the longitudinal direction of the hose may be dimensioned such that the hose fixing means 4, which protrudes beyond the inner end of thehose end piece 5, forms a kink prevention means. - In
FIGS. 7 to 10 , it is shown that the hose that is fully surrounded by the hose fixing means 4 can be severed by means of the cutting tool such that a relative displacement of the hose fixing means 4 with respect to thehose casing 3 and/or of thehose casing 3 with respect to theinner hose 2 is prevented. For this purpose, it is provided inFIGS. 7 and 8 that the hose is cut to length by means of acutting blade 12 which serves as a cutting tool and which is guided approximately perpendicularly to the hose longitudinal axis. - In the exemplary embodiment illustrated in
FIGS. 9 and 10 , the hose is cut to length by means of acutting tool 13 which generates cutting heat, specifically in such a way that the plastics material, which becomes pasty under the action of the cutting heat, of at least one of the constituents: hose fixing means 4,hose casing 3 and/orinner hose 2 adhesively bonds or fuses at least in regions to at least one of theadjacent constituents like cutting tool 13, use may if appropriate be made of a laser apparatus with a laser beam that likewise generates cutting heat. -
FIG. 11 shows that the hose fixing means 4 may also be formed, by means of injection molding, as a hose sheath which fully surrounds thehose casing 3 in a circumferential direction in a sub-section. - Regardless of whether an adhesive tape, a shrink-fit hose or a hose sheath produced by means of injection molding is used for the hose fixing means 4, it is expedient for the hose fixing means to have a small thickness, and preferably a thickness of 0.5/100th to 8/100th mm.
Claims (8)
1. A method for cutting a hose segment (1) to length from a hose, said hose has an inner hose (2) and an outer hose casing (3) surrounding the inner hose (2), wherein the hose segment (1) is separated from the hose in a cutting plane oriented perpendicular to the longitudinal extent of said hose by means of a cutting tool at a cutting point, wherein the hose casing (3) of the hose is ensheathed with a severable hose fixing means (4) which covers the intended cutting point before the hose segment (1) is separated from the hose at the cutting point by means of the cutting tool, wherein the hose fixing means (4) fully surrounds the outer hose casing (3) in a circumferential direction, and wherein the hose fixing means (4) is fixed on the hose casing (3), and/or the hose surrounded by the hose fixing means (4) is severed by means of the cutting tool, in such a way that a relative displacement of the hose fixing means (4) with respect to the hose casing (3) and/or of the hose casing (3) with respect to the inner hose (2) is prevented, wherein the hose fixing means (4) in the form of an adhesive tape which is adhesive on one side has a middle part (6) which fully surrounds the hose and which is adjoined at both sides by hose fixing end parts (7, 8), in that the hose fixing end parts (7, 8) bear with their adhesive surfaces (9) against one another, and in that the hose fixing end parts (7, 8), bearing with their adhesive surfaces (9) against one another, are laid against the hose such that the adhesive surface (9) of one of the hose fixing end parts (7, 8) is, by way of a subregion protruding beyond the other hose fixing end part (7, 8), held adhesively on the hose or on the hose segment.
2. A hose segment (1) having an inner hose (2) and having an outer hose casing (3) surrounding the inner hose (2), said hose casing (3) is ensheathed by a cut-to-length, severable hose fixing means (4) which extends as far as a cutting plane formed by a face end of the hose segment and oriented perpendicular to the longitudinal extent of the hose segment (1), and which at least fully surrounds the outer hose casing (3) in a circumferential direction with a wrap angle of at least 360°, wherein the hose fixing means (4) is fixed on the outer hose casing (3) such that a relative displacement of the hose fixing means (4) with respect to the hose casing (3) and/or of the hose casing (3) with respect to the inner hose (2) is prevented, wherein the hose fixing means (4) in the form of an adhesive tape which is adhesive on one side has a middle part (6) which fully surrounds the hose and which is adjoined at both sides by hose fixing end parts (7, 8), in that the hose fixing end parts (7, 8) bear with their adhesive surfaces (9) against one another, and in that the hose fixing end parts (7, 8), bearing with their adhesive surfaces (9) against one another, are laid against the hose such that the adhesive surface (9) of one of the hose fixing end parts (7, 8) is, by way of a subregion protruding beyond the other hose fixing end part (7, 8), held adhesively on the hose or on the hose segment.
3. The method as claimed in claim 1 , wherein the hose is cut to length by means of a cutting blade (12) which serves as a cutting tool and which is guided approximately perpendicularly with respect to the hose longitudinal direction.
4. The method as claimed in claim 1 , wherein a clamping sleeve, a crimp sleeve or similar hose end piece (5) is pushed onto an end of the hose segment (1) which is secured by the hose fixing means (4), and the hose fixing means (4) protrudes beyond the inner end of the hose end piece (5) and forms a kink prevention means.
5. The method as claimed in claim 1 , wherein the hose is cut to length by means of a cutting tool (13) which generates cutting heat, in such a way that plastic material, which becomes pasty under action of the cutting heat, of at least one of the constituents: hose fixing means (4), hose casing (3) and/or inner hose (2), fixes at least in regions to at least one of the adjacent constituents (2, 3, 4).
6. The hose segment as claimed in claim 2 , wherein the hose is cut to length by means of a cutting blade (12) which serves as a cutting tool and which is guided approximately perpendicularly with respect to the hose longitudinal direction.
7. The hose segment as claimed in claim 2 , wherein a clamping sleeve, a crimp sleeve or similar hose end piece (5) is pushed onto an end of the hose segment (1) which is secured by the hose fixing means (4), and the hose fixing means (4) protrudes beyond the inner end of the hose end piece (5) and forms a kink prevention means.
8. The hose segment as claimed in claim 2 , wherein the hose is cut to length by means of a cutting tool (13) which generates cutting heat in such a way that plastic material, which becomes pasty under action of the cutting heat, of at least one of the constituents: hose fixing means (4), hose casing (3) and/or inner hose (2), fixes at least in regions to at least one of the adjacent constituents (2, 3, 4).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/413,653 US20150211661A1 (en) | 2006-07-19 | 2013-08-09 | Method for cutting a tube segment from a tube |
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200610033409 DE102006033409A1 (en) | 2006-07-19 | 2006-07-19 | Method for cutting a hose section and hose section |
DE102006033409.4 | 2006-07-19 | ||
US11/775,890 US20080016936A1 (en) | 2006-07-19 | 2007-07-11 | Method for cutting a tube section into lengths as well as tube section |
US13/597,731 US9089984B2 (en) | 2012-08-29 | 2012-08-29 | Method for cutting to length a piece of tube from a tube |
US201261694839P | 2012-08-30 | 2012-08-30 | |
US14/413,653 US20150211661A1 (en) | 2006-07-19 | 2013-08-09 | Method for cutting a tube segment from a tube |
PCT/EP2013/002401 WO2014032764A1 (en) | 2012-08-29 | 2013-08-09 | Method for cutting a tube segment from a tube |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/597,731 Continuation US9089984B2 (en) | 2006-07-19 | 2012-08-29 | Method for cutting to length a piece of tube from a tube |
Publications (1)
Publication Number | Publication Date |
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US20150211661A1 true US20150211661A1 (en) | 2015-07-30 |
Family
ID=47915389
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
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US13/597,731 Active 2033-03-10 US9089984B2 (en) | 2006-07-19 | 2012-08-29 | Method for cutting to length a piece of tube from a tube |
US14/413,653 Abandoned US20150211661A1 (en) | 2006-07-19 | 2013-08-09 | Method for cutting a tube segment from a tube |
US14/796,615 Active US9636899B2 (en) | 2012-08-29 | 2015-07-10 | Method for cutting to length a piece of tube from a tube |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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US13/597,731 Active 2033-03-10 US9089984B2 (en) | 2006-07-19 | 2012-08-29 | Method for cutting to length a piece of tube from a tube |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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US14/796,615 Active US9636899B2 (en) | 2012-08-29 | 2015-07-10 | Method for cutting to length a piece of tube from a tube |
Country Status (3)
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US (3) | US9089984B2 (en) |
EP (1) | EP2703136A1 (en) |
CN (1) | CN103659879A (en) |
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CN107150377B (en) * | 2017-05-12 | 2019-01-08 | 佛山市顺德区杰润五金塑料有限公司 | A kind of two connect the quick-fried cutting apparatus of hot melt that formula crosses drainage core |
WO2024102156A1 (en) * | 2022-11-08 | 2024-05-16 | Fiber Glass Systems, L.P. | Spoolable pipe field end reinforcement |
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2012
- 2012-08-29 US US13/597,731 patent/US9089984B2/en active Active
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- 2013-07-23 CN CN201310309144.0A patent/CN103659879A/en active Pending
- 2013-08-09 US US14/413,653 patent/US20150211661A1/en not_active Abandoned
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US5593756A (en) * | 1990-06-08 | 1997-01-14 | Miller; Terry Q. | Hold-down cover for cables and the like |
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Also Published As
Publication number | Publication date |
---|---|
CN103659879A (en) | 2014-03-26 |
EP2703136A1 (en) | 2014-03-05 |
US9636899B2 (en) | 2017-05-02 |
US9089984B2 (en) | 2015-07-28 |
US20150306860A1 (en) | 2015-10-29 |
US20140059827A1 (en) | 2014-03-06 |
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Owner name: NEOPERL GMBH, GERMANY Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SCHLITTER, ROGER;KURY, WERNER;REEL/FRAME:034681/0725 Effective date: 20141219 |
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