IT992377B - PROCEDURE FOR ATTACHING SURFACES OF POLYOLEFIN RESINS PREVENTIVELY MADE POROUS THROUGH A STRUCTURAL ADHESIVE PENETRATING THE PORES PARTICULARLY FOR THE JOINT OF POLYETHYLENE OR SIMILAR PIPES - Google Patents

PROCEDURE FOR ATTACHING SURFACES OF POLYOLEFIN RESINS PREVENTIVELY MADE POROUS THROUGH A STRUCTURAL ADHESIVE PENETRATING THE PORES PARTICULARLY FOR THE JOINT OF POLYETHYLENE OR SIMILAR PIPES

Info

Publication number
IT992377B
IT992377B IT41588/73A IT4158873A IT992377B IT 992377 B IT992377 B IT 992377B IT 41588/73 A IT41588/73 A IT 41588/73A IT 4158873 A IT4158873 A IT 4158873A IT 992377 B IT992377 B IT 992377B
Authority
IT
Italy
Prior art keywords
preventively
polyethylene
joint
procedure
polyolefin resins
Prior art date
Application number
IT41588/73A
Other languages
Italian (it)
Original Assignee
Casellato Raoul
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Casellato Raoul filed Critical Casellato Raoul
Priority to IT41588/73A priority Critical patent/IT992377B/en
Priority to FR7418894A priority patent/FR2231877A1/en
Priority to DE19742426347 priority patent/DE2426347A1/en
Application granted granted Critical
Publication of IT992377B publication Critical patent/IT992377B/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/90Measuring or controlling the joining process
    • B29C66/91Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/912Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux
    • B29C66/9121Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature
    • B29C66/91211Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature with special temperature measurement means or methods
    • B29C66/91218Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature with special temperature measurement means or methods using colour change, e.g. using separate colour indicators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/483Reactive adhesives, e.g. chemically curing adhesives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/02Preparation of the material, in the area to be joined, prior to joining or welding
    • B29C66/022Mechanical pre-treatments, e.g. reshaping
    • B29C66/0222Mechanical pre-treatments, e.g. reshaping without removal of material, e.g. cleaning by air blowing or using brushes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/02Preparation of the material, in the area to be joined, prior to joining or welding
    • B29C66/022Mechanical pre-treatments, e.g. reshaping
    • B29C66/0224Mechanical pre-treatments, e.g. reshaping with removal of material
    • B29C66/02245Abrading, e.g. grinding, sanding, sandblasting or scraping
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/02Preparation of the material, in the area to be joined, prior to joining or welding
    • B29C66/028Non-mechanical surface pre-treatments, i.e. by flame treatment, electric discharge treatment, plasma treatment, wave energy or particle radiation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112Single lapped joints
    • B29C66/1122Single lap to lap joints, i.e. overlap joints
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/114Single butt joints
    • B29C66/1142Single butt to butt joints
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/50General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/52Joining tubular articles, bars or profiled elements
    • B29C66/522Joining tubular articles
    • B29C66/5224Joining tubular articles for forming fork-shaped connections, e.g. for making Y-shaped pieces
    • B29C66/52241Joining tubular articles for forming fork-shaped connections, e.g. for making Y-shaped pieces with two right angles, e.g. for making T-shaped pieces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/50General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/52Joining tubular articles, bars or profiled elements
    • B29C66/522Joining tubular articles
    • B29C66/5229Joining tubular articles involving the use of a socket
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/90Measuring or controlling the joining process
    • B29C66/91Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/912Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux
    • B29C66/9121Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature
    • B29C66/91221Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature of the parts to be joined
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/90Measuring or controlling the joining process
    • B29C66/91Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • B29C66/91411Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature of the parts to be joined, e.g. the joining process taking the temperature of the parts to be joined into account
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/90Measuring or controlling the joining process
    • B29C66/91Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • B29C66/91431Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature the temperature being kept constant over time
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B11/00Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
    • F16B11/006Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C59/00Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/08Surface shaping of articles, e.g. embossing; Apparatus therefor by flame treatment ; using hot gases
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/483Reactive adhesives, e.g. chemically curing adhesives
    • B29C65/485Multi-component adhesives, i.e. chemically curing as a result of the mixing of said multi-components

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Plasma & Fusion (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Adhesives Or Adhesive Processes (AREA)
IT41588/73A 1973-05-30 1973-05-30 PROCEDURE FOR ATTACHING SURFACES OF POLYOLEFIN RESINS PREVENTIVELY MADE POROUS THROUGH A STRUCTURAL ADHESIVE PENETRATING THE PORES PARTICULARLY FOR THE JOINT OF POLYETHYLENE OR SIMILAR PIPES IT992377B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT41588/73A IT992377B (en) 1973-05-30 1973-05-30 PROCEDURE FOR ATTACHING SURFACES OF POLYOLEFIN RESINS PREVENTIVELY MADE POROUS THROUGH A STRUCTURAL ADHESIVE PENETRATING THE PORES PARTICULARLY FOR THE JOINT OF POLYETHYLENE OR SIMILAR PIPES
FR7418894A FR2231877A1 (en) 1973-05-30 1974-05-28 Bonding smooth polyolefin surfaces together - by heating and applying cross-linking adhesive
DE19742426347 DE2426347A1 (en) 1973-05-30 1974-05-29 METHOD FOR BONDING TO EACH OTHER SMOOTH SURFACES OF SHEETS, FILMS AND PIPES MADE ON A POLYOLEFINAL RESIN BASE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT41588/73A IT992377B (en) 1973-05-30 1973-05-30 PROCEDURE FOR ATTACHING SURFACES OF POLYOLEFIN RESINS PREVENTIVELY MADE POROUS THROUGH A STRUCTURAL ADHESIVE PENETRATING THE PORES PARTICULARLY FOR THE JOINT OF POLYETHYLENE OR SIMILAR PIPES

Publications (1)

Publication Number Publication Date
IT992377B true IT992377B (en) 1975-09-10

Family

ID=11251621

Family Applications (1)

Application Number Title Priority Date Filing Date
IT41588/73A IT992377B (en) 1973-05-30 1973-05-30 PROCEDURE FOR ATTACHING SURFACES OF POLYOLEFIN RESINS PREVENTIVELY MADE POROUS THROUGH A STRUCTURAL ADHESIVE PENETRATING THE PORES PARTICULARLY FOR THE JOINT OF POLYETHYLENE OR SIMILAR PIPES

Country Status (3)

Country Link
DE (1) DE2426347A1 (en)
FR (1) FR2231877A1 (en)
IT (1) IT992377B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4441947A (en) * 1982-04-12 1984-04-10 The Procter & Gamble Company Articulated fabric formed by self-assembling fibers
CA1243169A (en) * 1984-07-09 1988-10-18 Michael L. Osgar Welding fluoropolymer pipe and fittings
FR2617760B1 (en) * 1987-07-10 1989-11-24 Souriau & Cie PROCESS FOR ASSEMBLING PARTS OF POLYMERIC MATERIALS
US7489843B2 (en) * 2007-02-06 2009-02-10 Adc Telecommunications, Inc. Polyurethane to polyethylene adhesion process

Also Published As

Publication number Publication date
FR2231877B3 (en) 1977-03-25
DE2426347A1 (en) 1974-12-19
FR2231877A1 (en) 1974-12-27

Similar Documents

Publication Publication Date Title
IT957974B (en) IMPROVEMENT IN FITTINGS OR JOINTS FOR THE CONNECTION OF ENVIRONMENTS
IT1019026B (en) EQUIPMENT FOR THE JOINT OF SUBMARINE PIPES
ES530880A0 (en) PROCEDURE FOR THE FLUID APPLICATION OF STATEMENTS
DK153378C (en) PROCEDURE FOR THE PREPARATION OF PIPE-LINING FOR THE DESIGN OF CHANNELS OR PIPES
BR8202380A (en) APPLIANCE FOR CEMENTING A COATING AT THE BACK OF A UNDERGROUND POCO HOLE
DK316582A (en) PROCEDURE FOR THE PREPARATION OF BICYCLIC PYRIMIDIN-5-ON DERIVATIVES
AT318313B (en) Sealing for the interior of a swivel joint
DK143720C (en) MUG PIECE FOR CONNECTING FOR SUBSTANCES OR PIPE HOSE
DK111782A (en) LINING OF PIPE CONSTRUCTIONS
ES518511A0 (en) A PROCEDURE FOR THE PREPARATION OF COMPOUNDS GIVEN WITH PSYCHOTROPIC PROPERTIES.
IT992377B (en) PROCEDURE FOR ATTACHING SURFACES OF POLYOLEFIN RESINS PREVENTIVELY MADE POROUS THROUGH A STRUCTURAL ADHESIVE PENETRATING THE PORES PARTICULARLY FOR THE JOINT OF POLYETHYLENE OR SIMILAR PIPES
ES515837A0 (en) A PROCEDURE FOR THE MANUFACTURE OF A GALVANIZED COMPOSITE ARTICLE.
SE421322B (en) PROCEDURE FOR THE PREPARATION OF COATINGS REJECTING ADHESIVE SUBSTANCES
IT961517B (en) PROSTHESES FOR THE PLASTIC OF FALLOPIANI TUBES
ES505148A0 (en) PROCEDURE FOR THE PREPARATION OF RUBBER COMPOSITIONS FOR THE DIRECT JOINT TO METAL SURFACES.
FR2553860B1 (en) FLEXIBLE TUBE, ESPECIALLY FOR THE TRANSPORT OF HEAT-CONTAINING OR REFRIGERANT FLUIDS
DK136788B (en) Tensile pipe joint for joining two pipe elements, the contents of which are under pressure.
FR1279333A (en) Joint sealant along bulkheads
FI832686A (en) CONNECTING CONTAINER FOR THE CONSTRUCTION OF CONTAINING CONCRETE
ES517275A0 (en) PROCEDURE FOR THE MANUFACTURE OF FLUID MASSES OF FAST SETTING FOR CONSTRUCTION.
ES271310Y (en) DISTRIBUTOR FOR THE MANUAL APPLICATION OF LIQUID ADHESIVE.
IT8421433A1 (en) "Fitting that allows the angular displacement of the connected pipes"
ES193201Y (en) NEW JOINT FOR THE JOINT OF TELEFO SHOWER SUPPORTS-NO.
ES489951A0 (en) A PROCEDURE FOR THE PREPARATION OF A FLUID PES-TICIDE COMPOSITION
ES219231Y (en) HERMETIC JOINT FOR THE JOINT OF PIPES.