ARMY TM 10-1670-275-23&P
AIR FORCE TO 13C5-25-2
NAVY NAVAIR 13-1-26
2-24. Gore Section (cont).
(b) Pressure-sensitive (iron-on) patch. The method of applying a basic patch is a heat and pressure
(iron-on) technique using pressure-sensitive-coated cotton balloon cloth. This method is limited to use on the
cotton muslin canopies such as the 12-foot cargo parachute. A complete canopy section replacement will be
performed when an individual section has been patched extensively with the pressure-sensitive patch material
and an apparent stiffening of the section occurs. The stiffening effect may adversely affect the proper layout
and packing of a parachute canopy. Apply a pressure- sensitive (iron-on) patch as follows:
Smooth all wrinkles from material surrounding the damaged area.
Cut a piece of pressure-sensitive-coated cotton balloon cloth large enough to extend 1 inch beyond
all edges of the damaged area. If damaged area extends to a point within 1 inch of upper lateral
band, only a sewn patch as outlined in procedure (1) above will be allowed.
3 Place coated cloth patch over damaged area with adhesive side facing down. If damaged area has
no material missing, patch will be applied to the inside of canopy only. Whenever damaged area
has a space between the edges of material which indicates that material is missing, patch will be
applied to both inside and outside of canopy (figure 2-44).
Figure 2-44. Pressure Sensitive Patch.