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Ubaldo Vallauri Patents
Inventor:
Vallauri; Ubaldo
Address:
Monza, IT
No. of patents:
17
Patents:




Patent Number Title Of Patent Date Issued
6576846 Two-layered elastic tubular covering for electric components, in particular terminations for ele June 10, 2003
A tubular elastic covering (730) for electric components (700), having on the whole predetermined values of mechanical and electric/environmental requirements, in which the mechanical requirements include expandibility and elastic recovery in a radial direction, and electric/environmenta
6342679 Two-layered elastic tubular covering for electric components January 29, 2002
A tubular elastic covering for electric components is provided to obtain predetermined values of mechanical and electric/environmental requirements. The mechanical requirements include expandibility and elastic recovery in a radial direction. The electric/environmental requirements i
6171669 Expanded cable joint elastic sleeves with permissible residual deformation storage January 9, 2001
A storable tubular element for covering an electric cable joint which includes a rigid tubular support with a three layer sleeve having an unstretched bore of a size less than the external diameter of the support mounted on the tubular support in radially stretched condition. The ele
6004416 Shed-formed profile insulating covering and manufacturing method thereof December 21, 1999
Method for manufacturing an insulating body with a predetermined profile for an electrical device. This method comprises the steps of forming a covering body of cross-linkable polymer material on a supporting element, where said body has a first external profile that comprises the envelo
5985062 Production process for elastomer sleeves for covering electric cable joints and associated sleev November 16, 1999
The process calls for extrusion of a multilayer tubular structure with semiconducting innermost layer. In production of the sleeve the inner layer is partially removed leaving only a central portion forming an electrode. In addition the intermediate layer is made with a compound havi
5944929 Elastic sleeve support August 31, 1999
The support is designed to keep in expanded condition an elastic covering sleeve for elongated cylindrical elements such as electric cable joints and the like. The support comprises a tape wound spirally in side-by-side turns so as to take on a cylindrical tubular form and mutual constra
5800886 Elastic sleeve support September 1, 1998
The support is designed to keep in expanded condition an elastic covering sleeve for elongated cylindrical elements such as electric cable joints and the like. The support comprises a tape wound spirally in side-by-side turns so as to take on a cylindrical tubular form and mutual constra
5492740 Enclosure assembly for use over elongate cylindrical objects such as electric cable splices February 20, 1996
The enclosure assembly, being particularly but not exclusively conceived for use over electric cable splices, comprises a sleeve of an elastomer material, a support whereover the sleeve is fitted in a condition of elastic expansion, said sleeve being adapted to shrink around the elongate
5486388 Enclosure assembly for elongate cylindrical objects such as electric cable splices January 23, 1996
The enclosure assembly particularly, but not exclusively, conceived for spliced electric cables, comprises a sleeve of an elastomer material, a support whereover the sleeve is fitted in a state of elastic expansion, said sleeve being adapted to shrink about the elongate cylindrical objec
5365020 Cable joint coverings, devices for applying such coverings and joints obtained therewith November 15, 1994
A covering for a joint between electric cables, an element including such covering for forming a covered joint and a joint obtained with such covering. The covering includes two radially elastic sleeves of cross-linked polymeric material, one sleeve being inside and co-axial with the
5294752 Multi-layer elastic sleeves for electric power cable joints and joints therewith March 15, 1994
An electric covering for a joint between a pair of electric cables, a device including such covering in elastically expanded condition on a rigid tubular support and electric cable joints including such covering. The covering includes at least two elastic sleeves of cross-linked poly
5223190 Apparatus and method to make composite insulators for electric overhead lines June 29, 1993
A process and an apparatus to make composite insulators, consisting of a central core (3) provided with an insulating coating (4) of elastomeric material, for electric overhead lines. The apparatus comprises a base structure (6) to which a first and a second end pieces (5a, 5b) of the
5171940 Expanded cable joint elastic sleeves with permissible residual deformation after storage December 15, 1992
A storable covering element for electric cable joints which includes a tubular support on which a multi-layer sleeve is mounted in radially stretched condition, a cable joint with such a sleeve and a sleeve for such use. The sleeve has an inner layer of cross-linked polymeric material
5087492 Expanded elastic sleeve with wound internal support for electric cable joints and sealing ends February 11, 1992
A stretched, elastic sleeve for enclosing a joint between a pair of interconnected electric cables, or an end of such a cable, is mounted on a tubular supporting body formed by a helically wound tape with contiguous turns. The tape has transversely extending notches to improve the be
5052092 Apparatus for inserting a rigid support within a contractable sleeve for electric cable joints October 1, 1991
Process and apparatus for inserting a rigid support in a contractible sleeve used to enclose a joint between a pair of electric cables. The support has an outer diameter greater than the unstretched inner diameter of the sleeve. The sleeve is enclosed in a pair of separable half-shells
4961255 Apparatus for applying an insulating sleeve to an electric cable joint October 9, 1990
Apparatus for applying an elastic sleeve to a joint between a pair of electric cables including a tubular cylindrical plastic support with an internal bore larger than the diameters of the cables and on which the elastic sleeve in its stretched state is mounted. A pair of openable mo
4654241 Cable joint monolithic sleeve installing apparatus March 31, 1987
A process for surrounding joined cable ends with an elastic, monolithic sleeve which comprises expanding the bore of the sleeve, positioning the sleeve around the joined ends and then, permitting the bore to contract elastically, radially and progressively from one end of the sleeve towa


 
 
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