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(11)    Patent No :    AP 2620   
(21)    Application No :    AP/P/2009/004986   
(22)    Filing Date :    07.05.2007   
(24)    Date of Grant &    18.03.2013   
           
(45)    Publication :

(30)    Priority Data

(33) Country  (31) Number   (32) Date
(84)    Designated State
GH

(73) Applicant(s)

TELEFONAKTIEBOLAGET LM ERICSSON (PUBL), S-164 83,

Stockholm,
Sweden

(72) Inventors

HÄ GER Peter, Sweden

LUTFI Ay, Sweden

(74) Representative

FISHER CORMACK & BOTHA

(51)  International  Classification   E04H 12/12 (2006.01)    H01Q 1/12 (2006.01)
(54)    Title

Antenna tower structure with installation shaft

(57)    Abstract

Elongated structure (10) that is segmented (S1-S4) in the longitudinal direction, comprising a base segment (SI), at least one intermediate segment (S2,S3), and a terminating segment (S4), wherein the segments are essentially comprised of reinforced concrete, and the segments are interconnected in the longitudinal direction by a plurality of elongated fastening members (20) that together form a longitudinal interconnection structure (30) that interconnect the base segment to the terminating segment without gaps in the longitudinal direction, and wherein each segment comprises fastening member guides (50) formed in the wall of the segment and arranged to preserve the fastening members at predetermined configuration with respect to said segment.

(56)    Documents Cited :    GB638089 (A)    DE1906528 (A1)    DE2939472 (A1)    EP1645701 (A2)    WO2006111597

 

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