CHAPTER XVI.

METAL SPRAYING.

Description of the Process--The Immense Field for it--The Metal Spraying "Pistol"--Detail Drawings of Pistol--Sectional Drawing--Diagrammatic Representation of Melting and Spraying Jets in Action--Spraying Alloys--Cost of the Process 255

LIST OF ILLUSTRATIONS.

PAGE

FRONTISPIECE Automatic Finishing of Pianos

Fig. 1. Section through Paint Tank 8

" 2. Stirrers and Blinds for Paint Dipping Tank 10

" 3. Longitudinal Vertical Section 10

" 4. Tank for Painting Steel Sheets 12

" 5. Paint-Proof Bearings and Gear Box 13

" 6. Shafting and Driving Gear Designed for Implements 14

" 7. Triple-tank plant 15

" 8. Joist and Wheels supporting Hanger 16

" 9. Hook for Hanging 17

" 10 to 14. Hoists and Crabs 18

" 15. Typical Hoist for Painting by Immersion 19

" 16. Morris Standard Electric Trolley Hoist 23

" 17. Electric Hoist Suitable for Heavy Goods 27

" 18. Sprayed Show Card 30

" 19. Dipping and Stoving Bedsteads 31

" 20. Immersing Mangle Frames 35

" 21. Iron Hanger 38

" 22. Carrier filled with Six Complete Pianos 39

" 23. Introductory Carrier for Piano Frame 43

" 24. Lowering Piano Cases into the Varnish Tank 47

" 25. Piano Cases nearly Immersed 49

" 26. Piano Cases wholly Immersed 51

" 27. Piano Cases about to be Dipped 53

" 28. Coach Body ready to be Dipped 55

" 29. Paint Dipping Room at Woolwich 55

" 30. Store Room, Woolwich 61

" 31. Dipping Casements at the Crittall Manufacturing Co. 61

" 32. Hook for Suspending Boxes 64

" 33. Dipping Casements at Braintree 65

" 34. Design for Show Card done by Spraying 69

" 35. The Aerograph Spraying Instrument 81

" 36. Another form of Aerograph 82

" 37. Aerograph Electric Motor Outfit 83

" 38. Painting a Gasometer 83

" 39. Aerograph for Delicate Work 85

" 40. The Aeron Sprayer 89

" 41. " " (angle barrel) 89

" 42. " " with agitator 89

" 43. " " with double nozzle head 89

" 44. The G Aeron Sprayer, with double nozzle head 89

" 45. The G Aeron Sprayer, with attachments 91

" 46. The G Aeron Sprayer, with parts disassembled 91

" 47. The G Aeron Sprayer 91

" 48. The M Aeron Sprayer 95

" 49. The M Aeron Sprayer, with Types L & M 95

" 50. Block and Tackle 95

" 51. Standard Tackle 95

" 52. Air Transformer Set 95

" 53. Air Transformer 95

" 54. Section showing Construction of Airostyle 98

" 55. Airostyle Type "Record" with union for continuous supply 99

" 56. Airostyle Type "Ultra" 101

" 57. " Pistol "M" 102

" 58. The Crane "Eureka" 103

" 59. " " "Record" 104

" 60. The "Invincible" Sprayer 105

" 61. " " with adjustable cup 105

" 65. The Midland Sprayer 108

" 66. The "Paasche" Sprayer 109

" 67. Larger "Paasche" Sprayer 110

" 68. General form of "Paasche" Sprayer 111

" 69. "Paasche" Oil and Water Separator 111

" 70. "Paasche" Automatic Electric Controller 111

" 71. Airostyle Air Compressor 115

" 72. DeVilbiss Air Compressors 115

" 73. " " " 115

" 74. " " " 115

" 75. Aerograph Air Pumps and Tank Combined 118

" 76. Aerograph Type of Air Pumps for Larger Installations 119

" 77. Airostyle Plant General Arrangement 121

" 78. "Paasche" Motor Dryer Fan 124

" 79. Airostyle Central Draught Steel Plate Fan 125

" 80. DeVilbiss Auto Cool Electric Exhaust Fan closed and opened for cleaning 125

" 81. Sketch of Spraying Cabinets 127

" 82. Aerograph Spraying Cabinets 128

" 83. "DeVilbiss Fumexer" or Spraying Cabinet 131

" 84. " " " " 131

" 85. " " " " 131

" 86. " " " " 131

" 87. Aerograph Turntable 134

" 88. Two forms of Fumexer 135

" 89. The Fumexer in use 135

" 90. A Paasche Turntable 135

" 91. Auto Electric Air Heater 139

" 92. Masks for Gas Meter 142

" 93. The Hart Patent Mask 143

" 94. Bin for Spraying Light Articles 148

" 95. Aerostyle Plant for sixteen operators 155

" 96. Airostyle Plant showing Ventilator 155

" 97. Side Elevation of Plant for 12 operators 158

" 98. End Elevation of Plant for 12 operators 159

" 99. Plan of Figs. 84 and 85 160

" 100. Airostyle Plant installed for The Davis Gas Stove Co., Ltd. 161

" 101. Compressor, etc., for Airostyle Plant 165

" 102. Airostyle Plant installed for Gas Fire and Radiator Work 165

" 103. View from one end of Messrs. Lucas, Ltd., Airostyle Plants 169

" 104 & 105. Airostyle Plant at Messrs J. Lucas, Ltd. 173

" 106. " " View of Racks and Fan 175

" 107. " " Two Bays of one Unit 181

" 108. Airostyle Plant installed for The Gas Light and Coke Co., Ltd. 181

" 109. Airostyle Plant installed for The Gas Light and Coke Co., Ltd. 185

" 110. Operator at Work 193

" 111. Airostyle Plant showing Ventilator 199

" 112. Elevation of Spraying Plant 199

" 113. Elevation of Spraying Plant 200

" 114. Plans of Figs. 112 and 113 200

" 115. Designs for Lamp Shades 203

" 116. Show Card done by Spraying 209

" 117. Another Example 209

" 118. Shaded Effects 213

" 119. Fruit Dish decorated by Spraying 217

" 120. Table Cover 219

" 121. Trough Tank 222

" 122. Floco System of Painting Motor Bodies 224

" 123 & 124. Show Card done by Spraying 225 & 229

" 125. Design for Show Card 233

" 126. The Perkins' Stove 236

" 127. Typical Goodyear Stove 237

" 128. Dipping Trough 238

" 129. Show or Menu Card 239

" 130. Example of Metal Decoration 241

" 131 & 132. Whitewash Sprayer 244

" 133 & 134. Limewashing with Bamboo Pole 245

" 135. The Brown Extension Sprayer 246

" 136. The Merryweather Limewhite Sprayer 247

" 137. A Tumbling Barrel 248

" 138. Another Form 248

" 139. Paint Sprayer for Freight Cars 252

" 140. Elevation of above 253

" 141. Details of above 254

" 142. The Metal Spraying "Pistol" 256

" 143. The Metal Sprayer 257

" 144. Sectional Drawing of Metal Sprayer 258

" 145. Diagrammatric Representation of Melting and Spraying Jets in Action 259

" 146. Sprayed Decorative Work 261

" 147. Shaded Work by the Aerograph 263

" 148. Show Card, Sprayed 265

" 149. Sprayed Frieze 267