Patent ID: 11927023
Assignee: KRATTIGER SA HOLDING
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 0:
1. A spacer device (10) for formwork of the type comprising two formwork panels arranged so that they face each other; each panel having an inner wall (20,21) and an outer wall, the inner wall being the one intended to contact the concrete, said spacer device comprising a hollow tubular body (2) extending around a longitudinal axis (X-X), said tubular body (2) being configured to house a cross tie rod (7), said spacer device comprising:
two tapered portions (3a,3b) configured to rest on the inner walls (20,21) of the formwork;
two side tubular portions (2a,2b);
each side tubular portion (2a,2b) comprising an inner end including fastening means and an outer end configured to rotatably engage said tapered portion (3a,3b);
said fastening means comprising a section-reduced portion (17) of said inner end of said side tubular portion and a plurality of radially projecting longitudinal ribs (9),
said spacer device being characterised by a ball joint (5a,5b) formed at the outer end of the respective side tubular portion (2a,2b) to couple each tapered portion (3a,3b) with the respective side tubular portion (2a,2b),
said ball joint (5a, 5b) being integral with the side tubular portion (2a,2b) and being placed in rotating engagement with the respective tapered portion (3a,3b).