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1. WO1992008547 - SHOWER PIPE ASSEMBLY

Publication Number WO/1992/008547
Publication Date 29.05.1992
International Application No. PCT/US1990/007698
International Filing Date 20.11.1990
IPC
B05B 1/20 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
1Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
14with multiple outlet openings; with strainers in or outside the outlet opening
20Perforated pipes or troughs, e.g. spray booms; Outlet elements therefor
B05B 1/26 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
1Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
26with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets
CPC
B05B 1/202
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
1Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
14with multiple outlet openings
20Arrangements of several outlets along elongated bodies, e.g.; perforated pipes or troughs, e.g. spray booms
202comprising inserted outlet elements
B05B 1/267
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
1Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
26with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets
262with fixed deflectors
267the liquid or other fluent material being deflected in determined directions
D21D 1/40
DTEXTILES; PAPER
21PAPER-MAKING; PRODUCTION OF CELLULOSE
DTREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
1Methods of beating or refining; Beaters of the Hollander type
20Methods of refining
40Washing the fibres
Applicants
  • LAVALLEY INDUSTRIES, INCORPORATED [US]/[US]
Inventors
  • WOKAL, Keith, Adam
Agents
  • MARGER, Jerome, S.
Priority Data
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SHOWER PIPE ASSEMBLY
(FR) ENSEMBLE DE TUYAU D'ARROSAGE
Abstract
(EN)
The shower pipe assembly (10) of the present invention can be used in washing device such as a rotary drum filter and comprises an elongate pipe member (12) including means defining a hollow interior flow chamber (15), preferably located adjacent a washer device, for conveying a wash liquid, preferably a liquid for washing a pulp mat. The shower pipe assembly (1) includes means defining at least one row of spray holes (46) extending through the pipe from the interior flow chamber (15) to the exterior thereof. It also comprises spray diffusion flange assembly means (60) extending from the pipe member adjacent each of the spray holes (46) and further includes means (90) for impermanently attaching the diffusion flange means to, and detaching the diffusion flange means from, the pipe member. These attachment and detachment steps are carried out without the use of auxiliary internal connecting means which are not part of the diffusion flange means structure.
(FR)
L'ensemble de tuyau d'arrosage (10) décrit dans cette invention peut être utilisé dans un dispositif de lavage tel qu'un filtre à tambour rotatif, et il est constitué d'un élément de tuyau allongé (12) comprenant un système définissant une chambre pour l'écoulement dont l'intérieur est creux (15), qui est située de préférence adjacente à un dispositif de lavage, et qui permet de transporter un liquide de lavage, de préférence un liquide servant à laver un matelas de fibres pour le papier. L'ensemble de tuyau d'arrosage (1) comprend un système définissant au moins une rangée de trous de pulvérisation (46) s'étendant dans le tuyau depuis la chambre d'écoulement intérieure (15) jusqu'à l'extérieur de cette dernière. Ledit ensemble comprend également un système d'ensemble de bride du diffuseur par pulvérisation (60) s'étendant depuis l'élément de tuyau adjacent à chacun des trous de pulvérisation (46), ainsi qu'un système (90) permettant de fixer de manière provisoire le système de bride du diffuseur, sur l'élément de tuyau ou de le détacher de ce dernier. Ces étapes de fixation et de démontage sont effectuées sans qu'il soit nécessaire d'utiliser des systèmes annexes de connexion interne qui n'appartiennent pas à la structure de bride du diffuseur.
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