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3470050 METHOD OF MAKING A RESILIENT REINFORCED CONVEYOR BELT  
3468732 METHOD OF BUTT JOINING THERMOPLASTIC SHEET MATERIAL BY A SPIN WELDING OPERATION  
3454459 MANUFACTURE OF FERROELECTRIC PARTS,MORE PARTICULARLY OF TRANSDUCERS  
3445315 PLASTIC WELDING APPARATUS  
3426841 HEAT EXCHANGERS HAVING PLASTIC COMPONENTS  
3421958 METHOD OF FORMING REINFORCED RUBBER TAPE AND HELICALLY WINDING SAME TO FORM AN UNVULCANIZED BAND  
3421277 PRE-GROUTED FLEXIBLE TILE PANEL  
3419449 Method of making transmission belts  
3419447 Method and apparatus for bonding together two thermoplastic sheets by ultrasonic energy  
3411969 Method and apparatus for heat sealing cartons  
3405022 Edge banding machine  
3404051 Method of splicing thermoplastic rope ends by flame treatment  
3400030 Method and apparatus for butt-splicing elongated elastomeric articles  
3400038 Seaming tape  
3391045 Method for joining thermoplastic bodies  
3388020 Method and apparatus for finger-joining lumber  
3383260 Method and apparatus for heat sealing containers  
3369953 Means for sealing the slit of a lengthwise-slit cardboard tube  
3351508 Method of joining together the ends of a reinforced belt to form an endless belt  
3342656 Method of splicing belt ends in forming an endless belt  
3341385 Method for producing coaxial cable  
3337381 Method of sewing textile webs together  
3326736 Method of buit joining veneers  
3306799 Method and apparatus for the adhesive joining of braids for braided rugs  
3304215 Method for joining conveyor belts  
3293739 Method of holding deformable objects  
3279971 Thermoplastic welding nozzles  
3276941 Method for butt-welding thermoplastic members and product  
3253972 Welding smooth, curved thermoplastic sections  
3240648 Method of and apparatus for joining plastic materials  
3235289 Butt joints on reinforced plastic pipe and method of forming same  
3234061 Method of sewing textile webs together  
3216457 Laminated tubular article and method of making same  
3209983 Method for the manufacture of flexible containers and the like and products obtained by the method  
3207644 Method of making a fluorocarbon resin jacketed gasket  
3180923 Unitary multiple passage junction fitting for cable assemblies and method of making same  
3096145 Process of making plates and sheets of polyvinyl chloride fragments by a simultaneous heat and pressure treatment  
3071503 Process for welding thermoplastic materials  
3058864 Belting for use as condenser tapes in textile carding machinery  
3053726 Joining thermoplastic sections  
3053724 Method of splicing sections of heavy duty discharge hose  
3046181 Process of finger joint end gluing  
3038217 Resilient sealing strips for sealing doors  
3030246 Mandrel  
3021248 Radio-frequency edge-gluing process  
3016794 Improvements in projection screens  
3013925 Method and means for welding thermoplastic pipes  
2988134 Continuous butt jointing of thermoplastics  
2963394 Joining of elements composed of plastic materials  
2961363 Coupling method for thermoplastic components