Fluid-Tight Expansion Joint or Packing

1,166,656. Impregnated sponge material. M. BOUCARD. 10 Oct., 1966 [15 Oct., 1965; 28 Dec., 1965; 5 May, 1966; 12 July, 1966], No. 45088/66. Heading B2E. A method of producing an expansion joint or packing to be fitted between blocks or other masses of concrete, comprises compressing a block or strip...

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Bibliographische Detailangaben
1. Verfasser:	MAURICE BOUCARD
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING BUILDING CEILINGS CYLINDERS ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS FLOORS GENERAL BUILDING CONSTRUCTIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INSULATION OR OTHER PROTECTION OF BUILDINGS LIGHTING MECHANICAL ENGINEERING PISTONS ROOFS SEALINGS THERMAL INSULATION IN GENERAL WALLS, e.g. PARTITIONS WEAPONS
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Zusammenfassung:	1,166,656. Impregnated sponge material. M. BOUCARD. 10 Oct., 1966 [15 Oct., 1965; 28 Dec., 1965; 5 May, 1966; 12 July, 1966], No. 45088/66. Heading B2E. A method of producing an expansion joint or packing to be fitted between blocks or other masses of concrete, comprises compressing a block or strip of sponge material e.g. of sponge rubber or open-celled foam of polyesters, polyurethanes or polyethers, releasing the pressure to allow an impregnating material e.g. bitumen or an emulsion of butyl rubber admixed with a petroleum resin to enter the external pores of at least a portion of the block or strip, and draining and drying the impregnated block or strip under ambient temperature and pressure conditions.